List of unnumbered minor planets: 1998

This is a partial list of unnumbered minor planets for principal provisional designations assigned between 1 January and 31 December 1998. As of January 2021, a total of 545 bodies remain unnumbered for this period.[1][2][3][4] Also see previous and next year.

Near-Earth obj.	MBA (inner)	MBA (outer)	Centaur
Mars-crosser	MBA (middle)	Jupiter trojan	Trans-Neptunian obj.

A

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

0	1998 AU2	MBA-O	16.6	2.7 km	multiple	1991–2020	14 Jul 2020	90	Disc.: Spacewatch	MPC · JPL
0	1998 AN3	MBA-O	16.7	2.5 km	multiple	1998–2020	24 Mar 2020	60	Disc.: Spacewatch Added on 17 January 2021 Alt.: 2015 FT18	MPC · JPL
6	1998 AK10	MCA	20.9	200 m	single	33 days	02 Feb 1998	26	Disc.: Spacewatch	MPC · JPL
0	1998 AZ11	MBA-I	18.1	710 m	multiple	1998–2020	24 Jun 2020	117	Disc.: Spacewatch Alt.: 2016 BK48	MPC · JPL
1	1998 AA12	MBA-I	18.6	570 m	multiple	1998–2017	18 Mar 2017	32	Disc.: Spacewatch	MPC · JPL

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B

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

0	1998 BY7	APO	21.5	180 m	multiple	1998–2021	15 Jan 2021	145	Disc.: Spacewatch Potentially hazardous object	MPC · JPL
7	1998 BT13	APO	26.5	18 m	single	6 days	30 Jan 1998	15	Disc.: Spacewatch	MPC · JPL
4	1998 BZ13	MBA-I	19.1	450 m	multiple	1998–2016	05 Apr 2016	27	Disc.: Spacewatch Alt.: 2016 EF148	MPC · JPL
0	1998 BK18	MBA-I	18.4	620 m	multiple	1998–2020	04 Jan 2020	38	Disc.: Spacewatch	MPC · JPL
0	1998 BM18	MBA-M	17.5	940 m	multiple	1998–2019	14 Feb 2019	76	Disc.: Spacewatch	MPC · JPL
0	1998 BJ21	MBA-I	17.7	860 m	multiple	1998–2020	23 Nov 2020	99	Disc.: Spacewatch	MPC · JPL
0	1998 BN22	MBA-I	17.9	780 m	multiple	1998–2020	18 Apr 2020	93	Disc.: Spacewatch	MPC · JPL
0	1998 BV23	MBA-M	17.3	1.0 km	multiple	1998–2020	22 Jun 2020	80	Disc.: Spacewatch	MPC · JPL
0	1998 BF24	MBA-I	17.9	780 m	multiple	1998–2020	14 Sep 2020	107	Disc.: Spacewatch Alt.: 2016 LY26	MPC · JPL
7	1998 BR26	APO	26.0	22 m	single	1 day	31 Jan 1998	19	Disc.: Spacewatch	MPC · JPL
2	1998 BJ28	MBA-M	17.9	1.1 km	multiple	1998–2020	14 Feb 2020	57	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2016 ET53	MPC · JPL
0	1998 BB29	MBA-O	16.8	2.4 km	multiple	1998–2019	20 Dec 2019	73	Disc.: Spacewatch Alt.: 2013 TG95, 2015 FV48	MPC · JPL
0	1998 BE29	MBA-O	16.5	2.8 km	multiple	1998–2020	15 Jun 2020	90	Disc.: Spacewatch Alt.: 2014 BF45	MPC · JPL
0	1998 BH31	MBA-O	16.5	2.8 km	multiple	1998–2020	18 May 2020	60	Disc.: Spacewatch Alt.: 2009 FM92	MPC · JPL
0	1998 BO31	MBA-O	16.7	2.5 km	multiple	1998–2020	22 Mar 2020	86	Disc.: Spacewatch	MPC · JPL
7	1998 BC34	Asteroid	20.8	390 m	single	11 days	02 Feb 1998	15	Disc.: Spacewatch MCA at MPC	MPC · JPL
0	1998 BN34	MBA-I	17.6	900 m	multiple	1998–2021	04 Jan 2021	81	Disc.: Spacewatch	MPC · JPL
0	1998 BT34	MBA-O	16.9	2.3 km	multiple	1998–2020	24 Jun 2020	101	Disc.: Spacewatch	MPC · JPL
1	1998 BN35	MBA-M	17.8	820 m	multiple	1998–2020	17 Aug 2020	37	Disc.: Spacewatch Alt.: 2015 KR61	MPC · JPL
0	1998 BZ38	MBA-I	18.3	650 m	multiple	1998–2020	15 Sep 2020	74	Disc.: Spacewatch Alt.: 2007 VV218	MPC · JPL
0	1998 BM39	MBA-O	16.8	2.4 km	multiple	1998–2020	22 Mar 2020	76	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1998 BX39	MBA-M	16.9	1.8 km	multiple	1998–2020	21 Apr 2020	120	Disc.: Spacewatch Alt.: 2015 AP66	MPC · JPL
0	1998 BY39	MBA-I	17.5	940 m	multiple	1998–2021	16 Jan 2021	104	Disc.: Spacewatch Alt.: 2015 PZ255	MPC · JPL
0	1998 BK48	MBA-O	16.5	2.8 km	multiple	1998–2020	16 Apr 2020	89	Disc.: Spacewatch	MPC · JPL
0	1998 BM50	MBA-I	18.1	710 m	multiple	1998–2020	20 Oct 2020	115	Disc.: Spacewatch	MPC · JPL
0	1998 BN50	MBA-I	17.5	940 m	multiple	1998–2020	23 Jul 2020	104	Disc.: ODAS	MPC · JPL

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D

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

0	1998 DU8	MBA-M	17.2	1.5 km	multiple	1998–2020	24 Mar 2020	122	Disc.: Spacewatch Alt.: 2011 CO22, 2013 TN147	MPC · JPL
0	1998 DO11	MBA-O	16.6	2.7 km	multiple	1998–2019	29 Dec 2019	157	Disc.: NEAT/GEODSS Alt.: 2014 YJ47	MPC · JPL
6	1998 DX11	APO	27.0	14 m	single	3 days	26 Feb 1998	13	Disc.: Spacewatch	MPC · JPL
0	1998 DW18	MBA-I	18.6	570 m	multiple	1998–2020	08 Nov 2020	117	Disc.: Spacewatch Alt.: 2003 UE404, 2010 WM13	MPC · JPL
8	1998 DV20	APO	20.3	310 m	single	10 days	06 Mar 1998	11	Disc.: Spacewatch	MPC · JPL
0	1998 DR22	MBA-M	17.3	1.9 km	multiple	1998–2021	11 Jan 2021	75	Disc.: Spacewatch	MPC · JPL
0	1998 DR24	MBA-I	18.0	750 m	multiple	1998–2020	02 Feb 2020	86	Disc.: Spacewatch Alt.: 2015 XD270	MPC · JPL
1	1998 DA25	MBA-O	16.9	2.3 km	multiple	1998–2020	16 Jun 2020	65	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2020 HF22	MPC · JPL
0	1998 DH25	MBA-I	18.8	520 m	multiple	1998–2019	04 Dec 2019	59	Disc.: Spacewatch	MPC · JPL
0	1998 DL25	MBA-O	17.2	2.0 km	multiple	1998–2020	14 Sep 2020	64	Disc.: Spacewatch	MPC · JPL
1	1998 DF26	MBA-I	18.8	520 m	multiple	1998–2017	05 Mar 2017	26	Disc.: Spacewatch	MPC · JPL
0	1998 DB27	MBA-O	16.3	3.1 km	multiple	1998–2020	19 Apr 2020	83	Disc.: Spacewatch Alt.: 2012 UU32, 2015 FM104	MPC · JPL
0	1998 DY27	MBA-M	17.1	2.1 km	multiple	1998–2020	23 Dec 2020	101	Disc.: Spacewatch Alt.: 2014 SE6	MPC · JPL
7	1998 DK36	ATI	25.0	36 m	single	1 day	24 Feb 1998	4	Disc.: Mauna Kea Obs.	MPC · JPL
0	1998 DV38	MBA-M	17.9	1.5 km	multiple	1998–2017	01 Jul 2017	39	Disc.: Spacewatch	MPC · JPL
0	1998 DW38	MBA-I	18.1	710 m	multiple	1998–2020	11 Oct 2020	50	Disc.: Spacewatch	MPC · JPL
0	1998 DX38	MBA-I	18.8	520 m	multiple	1998–2020	17 Dec 2020	47	Disc.: Spacewatch	MPC · JPL

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E

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

3	1998 EE3	APO	27.2	13 m	single	3 days	04 Mar 1998	11	Disc.: Spacewatch	MPC · JPL
1	1998 EO3	MBA-I	18.7	540 m	multiple	1998–2020	15 May 2020	35	Disc.: Spacewatch Added on 19 October 2020	MPC · JPL
1	1998 EX3	HUN	18.8	520 m	multiple	1998–2020	19 Jan 2020	66	Disc.: Spacewatch Alt.: 2008 BA33	MPC · JPL
2	1998 EP4	APO	21.5	180 m	multiple	1996–1998	05 Apr 1998	71	Disc.: Spacewatch	MPC · JPL
0	1998 EK22	MBA-O	16.9	2.3 km	multiple	1998–2019	17 Dec 2019	57	Disc.: Spacewatch Alt.: 2015 BU119	MPC · JPL
0	1998 EU22	MBA-I	18.1	710 m	multiple	1998–2020	23 Mar 2020	72	Disc.: Spacewatch	MPC · JPL

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F

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

3	1998 FL5	APO	21.3	200 m	multiple	1998–2020	17 Oct 2020	90	Disc.: LINEAR	MPC · JPL
2	1998 FM9	AMO	19.4	470 m	multiple	1998–2019	05 Jul 2019	119	Disc.: LINEAR	MPC · JPL
2	1998 FS11	MCA	19.4	390 m	multiple	1998–2005	09 Mar 2005	82	Disc.: NEAT/GEODSS	MPC · JPL
6	1998 FG12	APO	21.0	220 m	single	39 days	02 May 1998	42	Disc.: LINEAR	MPC · JPL
1	1998 FJ74	AMO	18.8	620 m	multiple	1998–2019	29 Nov 2019	157	Disc.: LINEAR Alt.: 2008 UD7	MPC · JPL
3	1998 FS144	TNO	6.7	202 km	multiple	1998–2013	12 Mar 2013	20	Disc.: Cerro Tololo LoUTNOs, cubewano (hot), BR-mag: 1.53; taxonomy: IR	MPC · JPL
1	1998 FS149	MBA-M	17.3	1.0 km	multiple	1998–2020	24 Oct 2020	67	Disc.: Spacewatch	MPC · JPL
0	1998 FT149	MBA-O	16.7	2.5 km	multiple	1998–2020	02 May 2020	76	Disc.: Spacewatch	MPC · JPL
0	1998 FU149	MBA-O	16.6	2.7 km	multiple	1998–2020	11 May 2020	65	Disc.: Spacewatch	MPC · JPL

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G

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

0	1998 GO	MBA-I	18.5	590 m	multiple	1998–2020	04 Jan 2020	45	Disc.: Spacewatch	MPC · JPL
2	1998 GC1	AMO	20.9	230 m	multiple	1998–2017	13 Mar 2017	94	Disc.: LINEAR	MPC · JPL
0	1998 GL10	AMO	19.0	560 m	multiple	1998–2015	21 May 2015	286	Disc.: LINEAR Alt.: 2014 UW34	MPC · JPL
–	1998 GM10	MCA	18.5	590 m	single	9 days	23 Apr 1998	19	Disc.: LINEAR	MPC · JPL
0	1998 GF13	MBA-I	17.7	860 m	multiple	1998–2020	16 Nov 2020	119	Disc.: Spacewatch	MPC · JPL
0	1998 GG13	MBA-I	18.6	570 m	multiple	1998–2020	09 Jul 2020	74	Disc.: Spacewatch	MPC · JPL

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H

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

4	1998 HH1	AMO	23.2	81 m	single	32 days	19 May 1998	40	Disc.: Spacewatch	MPC · JPL
3	1998 HM1	APO	24.4	47 m	single	7 days	25 Apr 1998	33	Disc.: Spacewatch	MPC · JPL
0	1998 HT2	MBA-M	17.2	1.1 km	multiple	1998–2020	06 Dec 2020	136	Disc.: Spacewatch Alt.: 2006 FA38, 2010 CX79, 2014 FG44	MPC · JPL
0	1998 HN3	AMO	18.2	810 m	multiple	1998–2020	17 Jun 2020	118	Disc.: Spacewatch NEO larger than 1 kilometer	MPC · JPL
0	1998 HO4	MBA-M	17.2	1.1 km	multiple	1998–2020	15 Oct 2020	117	Disc.: Kleť Obs. Alt.: 2010 HN13, 2015 NX29	MPC · JPL
0	1998 HK5	MBA-M	17.9	1.1 km	multiple	1998–2020	23 Jun 2020	67	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
2	1998 HZ7	MBA-O	17.2	2.0 km	multiple	1998–2004	18 Jul 2004	102	Disc.: Kleť Obs.	MPC · JPL
0	1998 HX9	MBA-M	16.8	1.3 km	multiple	1998–2020	16 Dec 2020	72	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2015 MQ4	MPC · JPL
0	1998 HJ11	MBA-I	17.8	820 m	multiple	1998–2020	25 May 2020	72	Disc.: Spacewatch Added on 13 September 2020	MPC · JPL
0	1998 HE15	MBA-I	18.1	710 m	multiple	1998–2020	27 Apr 2020	32	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1998 HQ15	MBA-O	15.9	3.7 km	multiple	1998–2020	23 Jun 2020	138	Disc.: Spacewatch	MPC · JPL
0	1998 HX15	MBA-I	17.5	940 m	multiple	1998–2019	25 Oct 2019	73	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2002 JV148, 2010 EM148	MPC · JPL
0	1998 HE16	MBA-M	17.3	1.5 km	multiple	1998–2020	28 Jun 2020	91	Disc.: Spacewatch	MPC · JPL
0	1998 HB25	MBA-I	17.6	900 m	multiple	1998–2021	16 Jan 2021	64	Disc.: Spacewatch Alt.: 2002 JH3, 2017 BY104	MPC · JPL
0	1998 HL25	MBA-M	16.9	1.2 km	multiple	1998–2020	08 Nov 2020	99	Disc.: Spacewatch Alt.: 2016 PL60	MPC · JPL
0	1998 HX27	MBA-O	16.1	3.4 km	multiple	1998–2020	25 Apr 2020	74	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2009 DO34, 2010 GM87	MPC · JPL
2	1998 HT31	APO	20.8	250 m	single	19 days	09 May 1998	133	Disc.: NEAT/GEODSS Potentially hazardous object	MPC · JPL
3	1998 HH49	APO	21.3	200 m	multiple	1998–2000	24 Dec 2000	20	Disc.: Spacewatch Potentially hazardous object	MPC · JPL
1	1998 HH151	TNO	8.4	93 km	multiple	1998–2013	14 May 2013	31	Disc.: Mauna Kea Obs. LoUTNOs, plutino	MPC · JPL
3	1998 HL151	TNO	8.1	106 km	multiple	1998–2013	08 May 2013	25	Disc.: Mauna Kea Obs. LoUTNOs, other TNO, BR-mag: 1.06	MPC · JPL
2	1998 HN151	TNO	8.3	97 km	multiple	1998–2017	01 Apr 2017	31	Disc.: Mauna Kea Obs. LoUTNOs, other TNO	MPC · JPL
3	1998 HO151	TNO	8.2	101 km	multiple	1998–2017	30 Mar 2017	19	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
E	1998 HR151	TNO	8.6	84 km	single	63 days	30 Jun 1998	11	Disc.: Mauna Kea Obs. LoUTNOs, cubewano (hot)	MPC · JPL
0	1998 HE159	MBA-M	17.1	1.6 km	multiple	1998–2019	21 Apr 2019	123	Disc.: Spacewatch	MPC · JPL
0	1998 HF159	MBA-I	18.6	570 m	multiple	1998–2019	24 Sep 2019	61	Disc.: Spacewatch	MPC · JPL
0	1998 HG159	MBA-M	17.3	1.9 km	multiple	1998–2020	24 Mar 2020	47	Disc.: Spacewatch	MPC · JPL
0	1998 HH159	MBA-M	17.3	1.5 km	multiple	1998–2020	26 May 2020	84	Disc.: Spacewatch	MPC · JPL
0	1998 HJ159	MBA-I	18.0	750 m	multiple	1998–2020	22 Mar 2020	56	Disc.: DB Missing Added on 19 October 2020	MPC · JPL

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J

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

0	1998 JG2	MCA	18.9	490 m	multiple	1998–2020	23 Jun 2020	104	Disc.: Whipple Obs.	MPC · JPL

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K

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

4	1998 KH	APO	19.2	510 m	multiple	1998–2015	01 Jun 2015	133	Disc.: LINEAR	MPC · JPL
0	1998 KA1	MBA-M	17.4	980 m	multiple	1998–2020	24 Oct 2020	115	Disc.: Spacewatch Alt.: 2006 DB46, 2016 UZ96	MPC · JPL
4	1998 KD3	APO	20.6	270 m	single	28 days	21 Jun 1998	172	Disc.: LINEAR AMO at MPC	MPC · JPL
1	1998 KF3	AMO	18.9	590 m	multiple	1998–2017	20 Jul 2017	83	Disc.: LINEAR	MPC · JPL
8	1998 KO3	APO	19.5	450 m	single	6 days	30 May 1998	60	Disc.: LINEAR	MPC · JPL
2	1998 KF6	MCA	20.3	260 m	multiple	1998–2019	08 May 2019	70	Disc.: LINEAR Alt.: 2013 JT6	MPC · JPL
0	1998 KD11	MBA-M	17.5	940 m	multiple	1998–2019	31 Oct 2019	79	Disc.: Spacewatch Alt.: 2019 SA32	MPC · JPL
1	1998 KF11	MBA-M	18.5	1.1 km	multiple	1998–2016	01 Jul 2016	34	Disc.: Spacewatch	MPC · JPL
1	1998 KK16	MCA	17.5	1.8 km	multiple	1998–2020	23 Dec 2020	123	Disc.: LINEAR	MPC · JPL
0	1998 KC17	MBA-M	17.8	820 m	multiple	1998–2020	17 Dec 2020	78	Disc.: Spacewatch Alt.: 2014 HG123	MPC · JPL
6	1998 KJ17	AMO	23.5	71 m	single	8 days	05 Jun 1998	59	Disc.: LINEAR	MPC · JPL
0	1998 KY26	APO	25.60	27 m	multiple	1998–2020	15 Dec 2020	285	Disc.: Spacewatch	MPC · JPL
1	1998 KH42	MBA-M	17.5	1.3 km	multiple	1998–2020	24 Jun 2020	75	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1998 KV42	MBA-M	16.7	1.4 km	multiple	1991–2021	11 Jan 2021	122	Disc.: Spacewatch	MPC · JPL
0	1998 KX42	MBA-M	16.8	2.4 km	multiple	1998–2020	31 Jan 2020	57	Disc.: Spacewatch	MPC · JPL
0	1998 KC43	MBA-O	15.5	4.4 km	multiple	1998–2019	29 Dec 2019	148	Disc.: Spacewatch Alt.: 2010 LU125, 2018 PK2	MPC · JPL
2	1998 KY61	TNO	7.3	154 km	multiple	1998–2017	22 Aug 2017	58	Disc.: Cerro Tololo LoUTNOs, cubewano (cold)	MPC · JPL
2	1998 KS65	TNO	7.7	128 km	multiple	1998–2013	07 Oct 2013	55	Disc.: Cerro Tololo LoUTNOs, cubewano (cold), BR-mag: 1.73; taxonomy: RR-IR	MPC · JPL
E	1998 KD66	TNO	8.9	74 km	single	10 days	30 May 1998	3	Disc.: Cerro Tololo LoUTNOs, cubewano (hot)	MPC · JPL
E	1998 KE66	TNO	9.0	70 km	single	10 days	30 May 1998	3	Disc.: Cerro Tololo LoUTNOs, cubewano (cold)	MPC · JPL
E	1998 KF66	TNO	9.8	49 km	single	10 days	30 May 1998	3	Disc.: Cerro Tololo LoUTNOs, plutino?	MPC · JPL
E	1998 KG66	TNO	8.9	74 km	single	10 days	30 May 1998	3	Disc.: Cerro Tololo LoUTNOs, cubewano (cold)	MPC · JPL
0	1998 KF69	MBA-O	16.1	3.4 km	multiple	1998–2020	24 Jun 2020	108	Disc.: Spacewatch	MPC · JPL
0	1998 KG69	MBA-M	17.2	2.0 km	multiple	1998–2020	27 Jan 2020	48	Disc.: Spacewatch	MPC · JPL
0	1998 KH69	MBA-I	18.2	680 m	multiple	1998–2020	16 Oct 2020	39	Disc.: Spacewatch	MPC · JPL

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L

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

6	1998 LE	APO	20.38	300 m	multiple	1998-2021	26 Jan 2021	93	Disc.: LINEAR	MPC · JPL

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M

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

1	1998 MN	MBA-I	17.4	980 m	multiple	1998–2021	16 Jan 2021	106	Disc.: Spacewatch Alt.: 2016 NF18	MPC · JPL
0	1998 MR	MBA-I	17.7	860 m	multiple	1998–2020	24 Dec 2020	87	Disc.: Spacewatch	MPC · JPL
2	1998 MS2	AMO	20.4	300 m	multiple	1998–2014	25 Jun 2014	123	Disc.: CSS	MPC · JPL
1	1998 MQ4	MBA-M	17.9	780 m	multiple	1998–2019	27 Nov 2019	158	Disc.: Spacewatch Alt.: 2011 UK386	MPC · JPL
0	1998 ML5	MBA-O	16.1	3.4 km	multiple	1998–2020	16 Oct 2020	171	Disc.: Spacewatch Alt.: 2008 AP99, 2010 OM	MPC · JPL
7	1998 MV5	APO	24.0	56 m	single	9 days	02 Jul 1998	27	Disc.: LINEAR	MPC · JPL
2	1998 MM14	MCA	18.6	570 m	multiple	1998–2018	17 Nov 2018	63	Disc.: LINEAR	MPC · JPL
0	1998 ME23	MBA-O	16.7	2.5 km	multiple	1998–2020	08 Oct 2020	103	Disc.: Spacewatch	MPC · JPL
1	1998 MR24	AMO	19.2	510 m	multiple	1987–2020	11 Dec 2020	244	Disc.: Siding Spring Alt.: 1987 KU2	MPC · JPL
0	1998 MV49	MBA-I	17.7	860 m	multiple	1998–2020	17 May 2020	76	Disc.: Spacewatch	MPC · JPL

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O

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

0	1998 OP1	MBA-M	17.2	2.0 km	multiple	1998–2020	19 Aug 2020	99	Disc.: Berg. Gladbach	MPC · JPL
0	1998 OO4	MBA-I	18.4	620 m	multiple	1998–2020	24 Jun 2020	73	Disc.: Spacewatch Alt.: 2016 GK179	MPC · JPL
7	1998 OP4	AMO	24.0	56 m	single	4 days	31 Jul 1998	21	Disc.: Spacewatch	MPC · JPL
1	1998 OS4	MCA	18.3	1.2 km	multiple	1998–2020	26 May 2020	170	Disc.: LONEOS	MPC · JPL
0	1998 OS15	MBA-M	17.0	1.7 km	multiple	1998–2020	11 Oct 2020	162	Disc.: Spacewatch Alt.: 2010 LX73	MPC · JPL
0	1998 OU15	MBA-O	16.4	2.9 km	multiple	1998–2020	21 Oct 2020	57	Disc.: Spacewatch	MPC · JPL

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Q

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

3	1998 QQ	APO	18.7	650 m	multiple	1998–2019	18 Oct 2019	172	Disc.: LINEAR Alt.: 2015 TV350	MPC · JPL
2	1998 QE1	MBA-M	17.7	860 m	multiple	1998–2020	01 Feb 2020	79	Disc.: LINEAR Alt.: 2002 PF87	MPC · JPL
1	1998 QF1	MCA	18.6	570 m	multiple	1998–2020	27 Apr 2020	114	Disc.: LINEAR	MPC · JPL
1	1998 QH1	AMO	20.7	260 m	multiple	1998–2002	14 Sep 2002	47	Disc.: LINEAR	MPC · JPL
3	1998 QJ1	CEN	16.5	2.0 km	single	62 days	18 Oct 1998	51	Disc.: LINEAR	MPC · JPL
1	1998 QD2	MBA-O	17.0	2.2 km	multiple	1982–2021	06 Jan 2021	132	Disc.: LINEAR	MPC · JPL
–	1998 QE3	MCA	18.1	710 m	single	35 days	30 Aug 1998	21	Disc.: LINEAR	MPC · JPL
5	1998 QV3	AMO	20.5	280 m	single	58 days	13 Oct 1998	63	Disc.: LINEAR	MPC · JPL
0	1998 QV27	MCA	18.8	520 m	multiple	1998–2017	19 Oct 2017	58	Disc.: Spacewatch	MPC · JPL
1	1998 QW27	HUN	18.5	590 m	multiple	1998–2019	25 Nov 2019	52	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2019 WL	MPC · JPL
2	1998 QF28	MBA-M	17.6	1.7 km	multiple	1998–2012	11 Dec 2012	63	Disc.: Spacewatch Alt.: 2012 RC7	MPC · JPL
8	1998 QH28	AMO	22.9	93 m	single	7 days	30 Aug 1998	15	Disc.: Spacewatch	MPC · JPL
1	1998 QK28	APO	19.2	510 m	multiple	1998–2017	31 Jan 2017	144	Disc.: LINEAR Potentially hazardous object	MPC · JPL
2	1998 QP52	MCA	17.8	1.5 km	multiple	1998–2020	21 May 2020	100	Disc.: LINEAR	MPC · JPL
1	1998 QQ52	AMO	20.8	250 m	multiple	1998–2010	15 Jul 2010	65	Disc.: LINEAR	MPC · JPL
1	1998 QJ56	MCA	18.0	1.1 km	multiple	1998–2021	14 Jan 2021	117	Disc.: LINEAR	MPC · JPL
0	1998 QN56	MBA-I	18.3	650 m	multiple	1998–2020	22 Apr 2020	62	Disc.: Spacewatch	MPC · JPL
3	1998 QX56	MBA-I	18.8	520 m	multiple	1998–2019	03 Oct 2019	42	Disc.: Spacewatch	MPC · JPL
–	1998 QR57	MBA-I	19.2	430 m	single	20 days	19 Sep 1998	8	Disc.: Spacewatch	MPC · JPL
0	1998 QH59	MBA-O	16.4	2.9 km	multiple	1998–2020	21 Jul 2020	79	Disc.: Spacewatch Alt.: 2019 FL12	MPC · JPL
2	1998 QO59	MBA-I	19.4	390 m	multiple	1998–2018	08 Aug 2018	22	Disc.: Spacewatch	MPC · JPL
0	1998 QU59	MBA-M	17.7	1.2 km	multiple	1998–2020	14 Oct 2020	66	Disc.: Spacewatch Alt.: 2017 BM4	MPC · JPL
5	1998 QA62	APO	19.0	560 m	single	22 days	20 Sep 1998	42	Disc.: LINEAR Potentially hazardous object	MPC · JPL
1	1998 QP63	MCA	18.0	1.1 km	multiple	1976–2021	11 Jan 2021	207	Disc.: LINEAR	MPC · JPL
2	1998 QQ85	MCA	17.5	1.8 km	multiple	1998–2007	17 Sep 2007	48	Disc.: LINEAR Alt.: 2007 PN4	MPC · JPL
2	1998 QX104	MCA	19.6	360 m	multiple	1995–2020	23 Oct 2020	24	Disc.: ODAS	MPC · JPL
5	1998 QA105	AMO	21.5	180 m	single	58 days	27 Oct 1998	24	Disc.: Spacewatch	MPC · JPL
3	1998 QA107	MCA	20.2	270 m	multiple	1998–2018	14 Sep 2018	41	Disc.: Spacewatch Alt.: 2008 RZ75	MPC · JPL
1	1998 QQ110	MBA-M	17.9	1.1 km	multiple	1998–2015	10 Oct 2015	44	Disc.: Spacewatch Alt.: 2015 TA182	MPC · JPL
2	1998 QA112	MBA-I	18.2	680 m	multiple	1998–2017	07 Nov 2017	24	Disc.: Spacewatch	MPC · JPL
0	1998 QB112	MBA-I	18.4	620 m	multiple	1998–2019	02 Jun 2019	56	Disc.: Spacewatch	MPC · JPL
0	1998 QC112	MBA-M	17.3	1.5 km	multiple	1998–2020	14 Sep 2020	149	Disc.: Spacewatch	MPC · JPL
0	1998 QD112	MBA-O	16.4	2.9 km	multiple	1998–2020	20 Oct 2020	118	Disc.: Spacewatch	MPC · JPL
0	1998 QE112	MBA-O	17.2	2.0 km	multiple	1998–2019	28 Dec 2019	55	Disc.: Spacewatch	MPC · JPL
0	1998 QF112	MBA-I	18.6	570 m	multiple	1998–2017	17 Oct 2017	42	Disc.: Spacewatch	MPC · JPL
0	1998 QG112	MBA-M	17.3	1.5 km	multiple	1998–2020	09 Oct 2020	104	Disc.: Spacewatch	MPC · JPL
0	1998 QH112	MBA-I	18.4	620 m	multiple	1998–2020	23 Jun 2020	70	Disc.: Xinglong Stn.	MPC · JPL
0	1998 QJ112	MBA-M	17.1	1.6 km	multiple	1998–2020	10 Dec 2020	72	Disc.: Spacewatch	MPC · JPL
0	1998 QK112	MBA-M	17.8	1.5 km	multiple	1998–2020	24 Jun 2020	76	Disc.: Spacewatch	MPC · JPL
0	1998 QL112	MBA-O	17.1	2.1 km	multiple	1998–2020	22 Jun 2020	32	Disc.: Spacewatch	MPC · JPL
1	1998 QM112	MBA-O	17.8	1.5 km	multiple	1998–2018	11 Aug 2018	33	Disc.: Spacewatch	MPC · JPL
0	1998 QN112	MBA-M	17.4	1.8 km	multiple	1998–2020	15 May 2020	52	Disc.: No observations Added on 22 July 2020	MPC · JPL

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R

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

0	1998 RR2	MCA	17.4	1.4 km	multiple	1998–2021	16 Jan 2021	241	Disc.: LINEAR	MPC · JPL
1	1998 RC3	MBA-I	18.9	490 m	multiple	1998–2020	10 Dec 2020	61	Disc.: Spacewatch Alt.: 2009 SU40	MPC · JPL
0	1998 RJ8	MBA-O	17.4	1.8 km	multiple	1998–2019	25 Sep 2019	56	Disc.: Spacewatch	MPC · JPL
2	1998 RS8	MBA-M	18.3	1.2 km	multiple	2007–2016	07 Nov 2016	30	Disc.: Spacewatch	MPC · JPL
1	1998 RB10	MBA-I	17.9	780 m	multiple	1998–2017	13 Dec 2017	65	Disc.: Spacewatch	MPC · JPL
2	1998 RK10	MBA-I	18.7	540 m	multiple	1998–2017	11 Dec 2017	48	Disc.: Spacewatch	MPC · JPL
0	1998 RU10	MBA-I	18.9	490 m	multiple	1995–2020	16 Oct 2020	90	Disc.: Spacewatch	MPC · JPL
0	1998 RZ10	MBA-M	17.4	1.8 km	multiple	1998–2020	17 Jul 2020	59	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
1	1998 RJ11	MBA-I	18.9	490 m	multiple	1998–2016	10 Nov 2016	33	Disc.: Spacewatch Alt.: 2016 TT88	MPC · JPL
1	1998 RZ11	MBA-I	18.6	570 m	multiple	1998–2020	26 Jan 2020	39	Disc.: Spacewatch	MPC · JPL
0	1998 RK12	MBA-I	18.0	750 m	multiple	1998–2021	15 Jan 2021	146	Disc.: Spacewatch Alt.: 2010 AW120	MPC · JPL
0	1998 RJ13	MBA-I	18.7	540 m	multiple	1998–2019	28 Nov 2019	81	Disc.: Spacewatch	MPC · JPL
0	1998 RL13	MBA-M	17.7	1.6 km	multiple	1998–2017	25 Oct 2017	45	Disc.: Spacewatch Alt.: 2003 UW394	MPC · JPL
0	1998 RU14	MBA-M	16.7	1.9 km	multiple	1998–2020	09 Nov 2020	144	Disc.: Spacewatch	MPC · JPL
0	1998 RO15	MBA-O	16.6	2.7 km	multiple	1998–2020	14 Sep 2020	77	Disc.: Spacewatch	MPC · JPL
3	1998 RY20	MBA-M	17.9	780 m	multiple	1998–2019	04 Nov 2019	29	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1998 RB21	MBA-O	17.2	2.0 km	multiple	1998–2020	21 Sep 2020	104	Disc.: Spacewatch	MPC · JPL
1	1998 RL21	MBA-M	18.6	570 m	multiple	1998–2019	20 Dec 2019	58	Disc.: Spacewatch	MPC · JPL
0	1998 RO21	MBA-I	18.2	680 m	multiple	1998–2020	08 Dec 2020	84	Disc.: Spacewatch Alt.: 2007 ED58	MPC · JPL
0	1998 RX21	MBA-I	18.6	570 m	multiple	1998–2020	10 Nov 2020	79	Disc.: Spacewatch	MPC · JPL
0	1998 RA22	MBA-I	19.1	450 m	multiple	1998–2020	15 Oct 2020	61	Disc.: Spacewatch	MPC · JPL
2	1998 RE43	MBA-M	17.0	1.2 km	multiple	1998–2019	03 Dec 2019	105	Disc.: LINEAR Alt.: 2002 PM85	MPC · JPL
0	1998 RU48	MBA-O	16.8	2.4 km	multiple	1998–2020	17 Dec 2020	162	Disc.: LINEAR Alt.: 2014 QB309	MPC · JPL
4	1998 RJ81	MBA-I	19.8	330 m	multiple	1998–2009	09 Nov 2009	18	Disc.: Spacewatch Alt.: 2009 VG11	MPC · JPL
5	1998 RL81	MBA-I	18.4	620 m	multiple	1998–2015	15 Mar 2015	9	Disc.: Spacewatch	MPC · JPL
0	1998 RM81	MBA-I	17.8	820 m	multiple	1998–2020	15 Sep 2020	100	Disc.: Spacewatch	MPC · JPL
0	1998 RN81	MBA-M	18.0	1.1 km	multiple	1998–2019	24 Dec 2019	49	Disc.: Spacewatch	MPC · JPL
0	1998 RP81	MBA-I	17.8	820 m	multiple	1998–2020	06 Dec 2020	159	Disc.: Spacewatch	MPC · JPL
0	1998 RQ81	MBA-M	16.9	2.3 km	multiple	1998–2019	04 Apr 2019	80	Disc.: Spacewatch	MPC · JPL
0	1998 RR81	MBA-O	16.2	3.2 km	multiple	1998–2020	14 Sep 2020	111	Disc.: Spacewatch	MPC · JPL
1	1998 RS81	MBA-M	17.7	1.6 km	multiple	1998–2016	26 Aug 2016	31	Disc.: Spacewatch	MPC · JPL
3	1998 RT81	MBA-I	19.0	470 m	multiple	1998–2013	27 Oct 2013	31	Disc.: Spacewatch	MPC · JPL
0	1998 RU81	MBA-M	16.9	2.3 km	multiple	1998–2020	17 May 2020	51	Disc.: Spacewatch	MPC · JPL
2	1998 RV81	MBA-I	19.3	410 m	multiple	1998–2017	22 Sep 2017	20	Disc.: Spacewatch	MPC · JPL
1	1998 RW81	MBA-O	17.5	1.8 km	multiple	1998–2019	19 Dec 2019	31	Disc.: DB Missing Added on 22 July 2020	MPC · JPL
2	1998 RX81	MBA-I	19.0	470 m	multiple	1998–2020	07 Sep 2020	40	Disc.: DB Missing Added on 19 October 2020	MPC · JPL

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S

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

1	1998 SM	MBA-M	17.6	1.7 km	multiple	1998–2020	27 Apr 2020	36	Disc.: Spacewatch	MPC · JPL
0	1998 SZ1	MBA-I	17.5	940 m	multiple	1998–2021	14 Jan 2021	201	Disc.: ODAS Alt.: 2009 VZ103, 2013 YP50	MPC · JPL
1	1998 SG2	AMO	19.3	490 m	multiple	1998–2018	12 Jul 2018	196	Disc.: LONEOS	MPC · JPL
0	1998 SH2	APO	20.8	383 m	multiple	1998–2016	27 Oct 2016	144	Disc.: Spacewatch Potentially hazardous object Alt.: 2016 EC156	MPC · JPL
1	1998 SP4	MBA-M	18.8	730 m	multiple	1998–2021	03 Jan 2021	58	Disc.: Spacewatch	MPC · JPL
6	1998 SS4	AMO	21.8	160 m	single	24 days	13 Oct 1998	36	Disc.: LINEAR	MPC · JPL
5	1998 SU4	APO	21.3	200 m	multiple	1998–2014	30 Sep 2014	93	Disc.: LINEAR Potentially hazardous object	MPC · JPL
–	1998 SG7	MBA-I	19.6	360 m	single	8 days	23 Sep 1998	10	Disc.: Spacewatch	MPC · JPL
1	1998 SQ7	MBA-M	18.0	750 m	multiple	1998–2019	26 Nov 2019	46	Disc.: Spacewatch Alt.: 2002 QX55	MPC · JPL
0	1998 SE8	MBA-O	16.7	2.5 km	multiple	1998–2021	07 Jan 2021	53	Disc.: Spacewatch	MPC · JPL
3	1998 SD9	ATE	24.0	56 m	multiple	1998–2018	04 Sep 2018	129	Disc.: LINEAR	MPC · JPL
1	1998 ST12	MBA-O	16.8	2.4 km	multiple	1998–2021	08 Jan 2021	415	Disc.: CSS Alt.: 2009 QC52	MPC · JPL
5	1998 SY14	APO	20.6	270 m	single	125 days	24 Jan 1999	68	Disc.: LINEAR Potentially hazardous object	MPC · JPL
2	1998 SZ14	AMO	19.1	540 m	multiple	1998–2014	02 Jan 2014	66	Disc.: LINEAR Alt.: 2013 WK103	MPC · JPL
0	1998 SL15	MBA-I	18.3	650 m	multiple	1998–2020	15 Sep 2020	97	Disc.: Spacewatch	MPC · JPL
0	1998 SM16	MBA-I	18.0	750 m	multiple	1998–2020	10 Sep 2020	54	Disc.: Spacewatch Alt.: 2011 CQ77	MPC · JPL
0	1998 SH17	MBA-O	16.5	2.8 km	multiple	1998–2020	20 Oct 2020	170	Disc.: Spacewatch	MPC · JPL
0	1998 SW17	MBA-O	16.8	2.4 km	multiple	1998–2021	16 Jan 2021	106	Disc.: Spacewatch	MPC · JPL
0	1998 SC18	MBA-I	17.6	900 m	multiple	1998–2021	16 Jan 2021	148	Disc.: Spacewatch Alt.: 2007 DL62, 2009 WN255	MPC · JPL
0	1998 SL18	MBA-M	17.9	1.1 km	multiple	1998–2021	07 Jan 2021	52	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2011 SL202	MPC · JPL
1	1998 ST18	MBA-O	17.0	2.2 km	multiple	1998–2020	17 Feb 2020	33	Disc.: Spacewatch Alt.: 2003 UV408	MPC · JPL
0	1998 SA21	MBA-I	17.5	940 m	multiple	1994–2020	14 May 2020	142	Disc.: Spacewatch Alt.: 2002 VA147, 2017 NV6	MPC · JPL
–	1998 ST21	HUN	19.5	370 m	single	9 days	30 Sep 1998	12	Disc.: Spacewatch	MPC · JPL
4	1998 SJ27	MBA-I	17.6	900 m	multiple	1998–2020	22 May 2020	51	Disc.: Woomera Obs. Alt.: 2020 KG1	MPC · JPL
2	1998 SG28	MBA-O	17.9	1.5 km	multiple	1998–2020	23 Sep 2020	32	Disc.: Spacewatch Added on 19 October 2020	MPC · JPL
0	1998 SO28	MBA-O	16.3	3.1 km	multiple	1998–2020	24 Jan 2020	113	Disc.: Spacewatch Alt.: 2014 WA437	MPC · JPL
0	1998 SC30	MBA-I	18.1	710 m	multiple	1998–2020	24 Jun 2020	118	Disc.: Spacewatch Alt.: 2013 SH1	MPC · JPL
0	1998 SB31	MBA-I	18.2	680 m	multiple	1998–2019	29 Oct 2019	79	Disc.: Spacewatch Alt.: 2012 SH27, 2015 HR58	MPC · JPL
0	1998 SH31	MBA-O	16.4	2.9 km	multiple	1998–2020	20 Oct 2020	111	Disc.: Spacewatch	MPC · JPL
0	1998 SM32	MBA-O	16.7	2.5 km	multiple	1998–2020	03 Dec 2020	127	Disc.: Spacewatch Alt.: 2009 QN43, 2014 QU3	MPC · JPL
0	1998 SR32	MBA-O	16.6	2.7 km	multiple	1998–2020	13 Nov 2020	72	Disc.: Spacewatch Alt.: 2014 QV353	MPC · JPL
–	1998 SQ33	MBA-M	18.0	1.4 km	single	11 days	27 Sep 1998	19	Disc.: LINEAR	MPC · JPL
1	1998 SE35	AMO	19.3	490 m	multiple	1998–2020	19 Jan 2020	118	Disc.: LINEAR	MPC · JPL
0	1998 SX35	MBA-I	17.8	820 m	multiple	1998–2019	26 Nov 2019	103	Disc.: ODAS	MPC · JPL
0	1998 SL36	APO	20.3	310 m	multiple	1998–2017	28 Mar 2017	102	Disc.: Spacewatch Potentially hazardous object	MPC · JPL
1	1998 SU36	MBA-M	18.7	760 m	multiple	1998–2020	14 Dec 2020	96	Disc.: Spacewatch Alt.: 2007 VY60	MPC · JPL
0	1998 SB39	MBA-O	17.2	2.0 km	multiple	1998–2020	13 Sep 2020	67	Disc.: Spacewatch Alt.: 2015 VQ79	MPC · JPL
3	1998 SE39	MBA-M	18.6	800 m	multiple	1998–2020	17 Oct 2020	34	Disc.: Spacewatch Alt.: 2020 QN35	MPC · JPL
0	1998 SM40	MBA-M	18.2	960 m	multiple	1998–2020	12 Nov 2020	48	Disc.: Spacewatch	MPC · JPL
0	1998 SO40	MBA-I	18.8	520 m	multiple	1998–2020	25 May 2020	65	Disc.: Spacewatch Alt.: 2014 OY181	MPC · JPL
1	1998 SP40	MBA-I	19.6	360 m	multiple	1998–2020	20 Oct 2020	74	Disc.: Spacewatch	MPC · JPL
0	1998 SB41	MBA-O	17.0	2.2 km	multiple	1998–2021	06 Jan 2021	82	Disc.: Spacewatch Alt.: 2006 DR156	MPC · JPL
2	1998 SE41	MBA-M	18.5	590 m	multiple	1998–2020	20 Feb 2020	35	Disc.: Spacewatch Alt.: 2016 CP68	MPC · JPL
2	1998 SH41	MBA-I	18.7	540 m	multiple	1998–2019	25 Sep 2019	37	Disc.: Spacewatch Alt.: 2005 SW194	MPC · JPL
–	1998 ST41	MBA-I	18.8	520 m	single	9 days	28 Sep 1998	10	Disc.: Spacewatch	MPC · JPL
1	1998 SV41	MBA-I	19.5	370 m	multiple	1998–2020	14 Dec 2020	38	Disc.: Spacewatch Alt.: 2009 VH9, 2009 WC265	MPC · JPL
0	1998 SM44	MBA-I	17.8	820 m	multiple	1998–2020	14 Dec 2020	94	Disc.: Spacewatch	MPC · JPL
1	1998 SR44	MBA-O	17.3	1.9 km	multiple	1998–2020	12 Dec 2020	83	Disc.: Spacewatch Alt.: 2009 RG49	MPC · JPL
0	1998 SV48	MBA-O	17.5	1.8 km	multiple	1998–2019	20 Dec 2019	85	Disc.: Spacewatch Alt.: 2003 SR171	MPC · JPL
0	1998 SC50	MBA-M	17.1	1.6 km	multiple	1998–2021	09 Jan 2021	118	Disc.: Spacewatch Alt.: 2011 SH157	MPC · JPL
1	1998 SJ52	MBA-I	18.3	650 m	multiple	1998–2020	13 Jul 2020	71	Disc.: Spacewatch Added on 22 July 2020 Alt.: 2009 QT4	MPC · JPL
2	1998 SM52	MBA-O	17.2	2.0 km	multiple	1998–2020	15 Oct 2020	61	Disc.: Spacewatch Alt.: 2009 SG196	MPC · JPL
2	1998 SJ91	MBA-O	16.7	2.5 km	multiple	1998–2017	15 Dec 2017	33	Disc.: LINEAR Alt.: 2004 RA89	MPC · JPL
0	1998 SE94	MBA-M	17.8	1.2 km	multiple	1998–2020	15 Dec 2020	155	Disc.: LINEAR	MPC · JPL
0	1998 SE150	MBA-O	17.2	2.0 km	multiple	1998–2020	16 Dec 2020	103	Disc.: LINEAR Alt.: 1998 TX3, 2009 WR27	MPC · JPL
0	1998 SD151	MBA-O	16.6	2.8 km	multiple	1998–2021	09 Jan 2021	142	Disc.: LINEAR Alt.: 2010 EU154, 2014 WO498	MPC · JPL
2	1998 SS167	MBA-M	18.4	880 m	multiple	1998–2020	17 Oct 2020	53	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1998 SL172	MBA-M	18.0	1.1 km	multiple	1998–2019	04 Aug 2019	47	Disc.: SDSS	MPC · JPL
0	1998 SM172	MBA-M	17.9	1.1 km	multiple	1998–2020	10 Dec 2020	75	Disc.: SDSS Added on 22 July 2020 Alt.: 2007 VF29	MPC · JPL
0	1998 ST173	MBA-O	15.7	4.0 km	multiple	1996–2021	04 Jan 2021	153	Disc.: SDSS Alt.: 2014 SH157, 2019 TP22	MPC · JPL
0	1998 SV173	MBA-I	18.3	650 m	multiple	1998–2020	08 Dec 2020	97	Disc.: SDSS	MPC · JPL
0	1998 SB174	MBA-O	16.5	2.8 km	multiple	1998–2020	11 Sep 2020	46	Disc.: SDSS Added on 19 October 2020	MPC · JPL
0	1998 SO174	MBA-O	16.9	2.3 km	multiple	1998–2020	15 Oct 2020	86	Disc.: SDSS	MPC · JPL
1	1998 SS174	MBA-M	18.0	1.4 km	multiple	1998–2020	12 Jul 2020	34	Disc.: SDSS	MPC · JPL
0	1998 SF175	MBA-O	16.2	3.2 km	multiple	1998–2020	05 Nov 2020	79	Disc.: SDSS Added on 22 July 2020	MPC · JPL
0	1998 SS176	MBA-O	16.7	2.5 km	multiple	1998–2020	15 Oct 2020	53	Disc.: SDSS Alt.: 2015 UC22	MPC · JPL
2	1998 SX176	MBA-I	19.1	450 m	multiple	1998–2015	09 Sep 2015	26	Disc.: Spacewatch	MPC · JPL
3	1998 SZ176	MBA-I	18.9	490 m	multiple	1998–2016	22 Nov 2016	25	Disc.: SDSS Alt.: 2016 WP5	MPC · JPL
0	1998 SA177	MBA-M	17.4	1.8 km	multiple	1998–2020	16 Sep 2020	100	Disc.: SDSS Alt.: 2008 YZ67, 2014 DL136	MPC · JPL
0	1998 SG177	MBA-O	16.4	2.9 km	multiple	1998–2020	23 Aug 2020	54	Disc.: SDSS Added on 22 July 2020 Alt.: 2010 VQ115	MPC · JPL
0	1998 SQ177	MBA-I	17.6	900 m	multiple	1998–2020	26 Apr 2020	180	Disc.: SDSS	MPC · JPL
0	1998 SR177	MBA-I	17.7	860 m	multiple	1998–2020	21 Jun 2020	129	Disc.: SDSS	MPC · JPL
0	1998 SS177	MBA-I	17.3	1.0 km	multiple	1998–2020	13 Sep 2020	114	Disc.: SDSS	MPC · JPL
0	1998 ST177	MBA-M	17.1	2.1 km	multiple	1998–2020	16 Jun 2020	95	Disc.: SDSS Alt.: 2010 LA137	MPC · JPL
0	1998 SU177	MBA-I	18.5	590 m	multiple	1998–2021	15 Jan 2021	94	Disc.: SDSS	MPC · JPL
0	1998 SV177	MCA	18.9	490 m	multiple	1998–2020	23 Mar 2020	81	Disc.: SDSS	MPC · JPL
0	1998 SW177	MBA-M	17.2	2.0 km	multiple	1998–2020	14 Sep 2020	82	Disc.: SDSS	MPC · JPL
0	1998 SX177	MBA-O	15.9	3.7 km	multiple	1998–2020	17 Sep 2020	142	Disc.: SDSS	MPC · JPL
0	1998 SY177	MBA-I	17.6	900 m	multiple	1998–2020	15 Jun 2020	69	Disc.: SDSS	MPC · JPL
0	1998 SZ177	MBA-M	17.0	1.7 km	multiple	1998–2021	03 Jan 2021	113	Disc.: SDSS	MPC · JPL
0	1998 SA178	MBA-I	17.8	820 m	multiple	1998–2020	27 Apr 2020	88	Disc.: SDSS	MPC · JPL
0	1998 SB178	MBA-O	16.7	2.5 km	multiple	1998–2020	25 Sep 2020	73	Disc.: SDSS	MPC · JPL
0	1998 SC178	MBA-M	17.2	2.0 km	multiple	1998–2020	25 May 2020	84	Disc.: SDSS	MPC · JPL
0	1998 SD178	MBA-O	17.2	2.0 km	multiple	1998–2019	04 Dec 2019	80	Disc.: SDSS	MPC · JPL
0	1998 SE178	MBA-M	17.2	1.5 km	multiple	1998–2020	08 Dec 2020	80	Disc.: SDSS	MPC · JPL
0	1998 SF178	MBA-O	17.1	2.1 km	multiple	1998–2019	19 Dec 2019	73	Disc.: SDSS	MPC · JPL
0	1998 SG178	MBA-M	17.3	1.9 km	multiple	1998–2019	29 Mar 2019	57	Disc.: SDSS	MPC · JPL
1	1998 SH178	MBA-O	15.8	3.9 km	multiple	1998–2018	20 Apr 2018	57	Disc.: SDSS	MPC · JPL
0	1998 SJ178	MBA-I	17.8	820 m	multiple	1998–2020	22 Jun 2020	73	Disc.: SDSS	MPC · JPL
0	1998 SK178	MBA-M	17.1	1.6 km	multiple	1998–2021	06 Jan 2021	142	Disc.: SDSS	MPC · JPL
0	1998 SL178	MBA-I	18.0	750 m	multiple	1998–2020	16 May 2020	68	Disc.: SDSS	MPC · JPL
0	1998 SM178	MBA-M	17.1	1.6 km	multiple	1998–2021	16 Jan 2021	101	Disc.: SDSS Alt.: 2010 JB101	MPC · JPL
0	1998 SN178	MBA-I	18.1	710 m	multiple	1998–2020	23 Aug 2020	62	Disc.: SDSS	MPC · JPL
0	1998 SO178	MBA-O	16.1	3.4 km	multiple	1998–2021	05 Jan 2021	129	Disc.: SDSS	MPC · JPL
0	1998 SP178	MBA-M	17.6	1.3 km	multiple	1998–2020	11 Dec 2020	101	Disc.: SDSS	MPC · JPL
0	1998 SQ178	MBA-M	16.9	1.2 km	multiple	1998–2020	17 Feb 2020	58	Disc.: SDSS	MPC · JPL
0	1998 SR178	MBA-M	17.2	1.5 km	multiple	1998–2020	11 Nov 2020	77	Disc.: SDSS	MPC · JPL
0	1998 SS178	MBA-I	18.6	570 m	multiple	1998–2019	02 Sep 2019	95	Disc.: SDSS	MPC · JPL
0	1998 ST178	MBA-O	15.9	3.7 km	multiple	1998–2020	16 Oct 2020	76	Disc.: SDSS	MPC · JPL
0	1998 SU178	MBA-I	18.3	650 m	multiple	1996–2021	11 Jan 2021	107	Disc.: SDSS	MPC · JPL
0	1998 SV178	MBA-M	17.4	1.8 km	multiple	1998–2017	08 Dec 2017	51	Disc.: SDSS	MPC · JPL
0	1998 SW178	MBA-I	18.0	750 m	multiple	1998–2020	23 Oct 2020	110	Disc.: Spacewatch	MPC · JPL
0	1998 SX178	MBA-O	15.9	3.7 km	multiple	1998–2020	14 Dec 2020	102	Disc.: SDSS	MPC · JPL
0	1998 SY178	MBA-O	16.9	2.3 km	multiple	1998–2020	16 Nov 2020	73	Disc.: SDSS	MPC · JPL
0	1998 SZ178	MBA-I	17.7	860 m	multiple	1998–2021	10 Jan 2021	95	Disc.: SDSS	MPC · JPL
0	1998 SA179	MBA-O	16.4	2.9 km	multiple	1993–2020	19 Dec 2020	85	Disc.: Spacewatch Alt.: 1993 UR1	MPC · JPL
0	1998 SB179	MBA-O	17.2	2.0 km	multiple	1998–2018	08 Aug 2018	53	Disc.: SDSS	MPC · JPL
0	1998 SC179	MBA-O	16.8	2.4 km	multiple	1998–2020	15 Oct 2020	80	Disc.: SDSS	MPC · JPL
0	1998 SD179	MBA-I	18.5	590 m	multiple	1998–2018	12 Jul 2018	47	Disc.: SDSS	MPC · JPL
0	1998 SE179	MBA-I	18.3	650 m	multiple	1998–2020	16 Mar 2020	49	Disc.: SDSS	MPC · JPL
0	1998 SF179	MBA-I	18.5	590 m	multiple	1998–2019	25 Oct 2019	51	Disc.: SDSS	MPC · JPL
0	1998 SG179	MBA-O	17.2	2.0 km	multiple	1998–2020	26 Jan 2020	46	Disc.: SDSS	MPC · JPL
0	1998 SH179	MBA-I	18.0	750 m	multiple	1994–2020	21 Apr 2020	73	Disc.: Spacewatch	MPC · JPL
0	1998 SJ179	MBA-M	17.2	2.0 km	multiple	1998–2020	16 Oct 2020	114	Disc.: Spacewatch	MPC · JPL
0	1998 SK179	MBA-I	18.2	680 m	multiple	1998–2019	31 May 2019	47	Disc.: SDSS	MPC · JPL
0	1998 SL179	MBA-I	18.5	590 m	multiple	1998–2019	02 Nov 2019	66	Disc.: SDSS	MPC · JPL
0	1998 SM179	MBA-I	18.0	750 m	multiple	1998–2020	19 May 2020	78	Disc.: SDSS Alt.: 2013 SW8	MPC · JPL
0	1998 SN179	MBA-M	17.5	1.8 km	multiple	1998–2020	14 Sep 2020	68	Disc.: SDSS	MPC · JPL
0	1998 SO179	MBA-M	17.2	2.0 km	multiple	1998–2020	21 May 2020	53	Disc.: SDSS	MPC · JPL
0	1998 SP179	MBA-I	18.6	570 m	multiple	1998–2018	18 Oct 2018	46	Disc.: SDSS	MPC · JPL
0	1998 SQ179	MBA-I	18.5	590 m	multiple	1998–2019	01 Jun 2019	46	Disc.: SDSS	MPC · JPL
0	1998 SR179	MBA-O	17.3	1.9 km	multiple	1998–2020	19 Jan 2020	47	Disc.: SDSS	MPC · JPL
0	1998 SS179	JT	14.0	8.8 km	multiple	1998–2020	15 Dec 2020	97	Disc.: SDSS Greek camp (L4)	MPC · JPL
0	1998 ST179	MBA-O	17.1	2.1 km	multiple	1998–2017	11 Oct 2017	49	Disc.: SDSS	MPC · JPL
0	1998 SU179	MBA-I	18.1	710 m	multiple	1998–2020	25 May 2020	81	Disc.: SDSS	MPC · JPL
1	1998 SV179	MBA-I	17.9	780 m	multiple	1998–2020	21 Apr 2020	48	Disc.: Spacewatch	MPC · JPL
0	1998 SW179	MBA-I	18.5	590 m	multiple	1998–2020	23 Jul 2020	99	Disc.: SDSS	MPC · JPL
0	1998 SX179	MBA-I	18.9	490 m	multiple	1998–2020	14 Nov 2020	68	Disc.: SDSS	MPC · JPL
0	1998 SY179	MBA-I	18.2	680 m	multiple	1998–2020	15 Oct 2020	46	Disc.: SDSS	MPC · JPL
2	1998 SZ179	MBA-M	18.6	570 m	multiple	1998–2018	14 Sep 2018	61	Disc.: SDSS Alt.: 2010 KH60	MPC · JPL
2	1998 SA180	MBA-I	18.8	520 m	multiple	1998–2017	22 Dec 2017	34	Disc.: SDSS	MPC · JPL
0	1998 SB180	MBA-O	16.3	3.1 km	multiple	1998–2021	13 Jan 2021	111	Disc.: SDSS	MPC · JPL
0	1998 SC180	MBA-M	17.8	1.5 km	multiple	1998–2018	23 Jan 2018	34	Disc.: SDSS	MPC · JPL
0	1998 SD180	MBA-O	16.8	2.4 km	multiple	1998–2020	15 Oct 2020	49	Disc.: SDSS	MPC · JPL
1	1998 SE180	MBA-I	18.7	540 m	multiple	1998–2016	06 Dec 2016	31	Disc.: Spacewatch	MPC · JPL
0	1998 SF180	MBA-I	18.6	570 m	multiple	1998–2020	17 Oct 2020	58	Disc.: SDSS	MPC · JPL
0	1998 SG180	MBA-I	18.4	620 m	multiple	1998–2019	19 Dec 2019	73	Disc.: SDSS	MPC · JPL
0	1998 SH180	MBA-O	16.9	2.3 km	multiple	1998–2020	24 Dec 2020	62	Disc.: SDSS	MPC · JPL
0	1998 SJ180	MBA-O	16.3	3.1 km	multiple	1998–2020	18 Jul 2020	46	Disc.: Spacewatch	MPC · JPL
0	1998 SK180	MBA-O	17.3	1.9 km	multiple	1998–2020	26 Jan 2020	49	Disc.: SDSS	MPC · JPL
0	1998 SL180	MBA-M	17.8	1.5 km	multiple	1998–2020	21 May 2020	47	Disc.: SDSS	MPC · JPL
3	1998 SM180	MBA-I	18.4	620 m	multiple	1998–2017	27 Nov 2017	30	Disc.: SDSS	MPC · JPL
0	1998 SN180	MBA-M	18.1	710 m	multiple	1998–2019	31 Dec 2019	60	Disc.: SDSS	MPC · JPL
0	1998 SO180	MBA-I	18.7	540 m	multiple	1998–2020	22 Apr 2020	44	Disc.: SDSS	MPC · JPL
0	1998 SP180	MBA-M	17.4	980 m	multiple	1998–2020	10 Dec 2020	27	Disc.: SDSS	MPC · JPL
0	1998 SQ180	MBA-M	17.4	1.4 km	multiple	1998–2020	22 Oct 2020	96	Disc.: Spacewatch	MPC · JPL
0	1998 SR180	MBA-I	18.0	750 m	multiple	1998–2020	06 Dec 2020	99	Disc.: SDSS	MPC · JPL
0	1998 SS180	MBA-I	18.8	520 m	multiple	1998–2020	16 Sep 2020	45	Disc.: SDSS	MPC · JPL
0	1998 ST180	MBA-M	17.7	860 m	multiple	1998–2018	18 Aug 2018	34	Disc.: SDSS	MPC · JPL
0	1998 SU180	MBA-I	18.9	490 m	multiple	1998–2017	16 Nov 2017	39	Disc.: Spacewatch	MPC · JPL
0	1998 SV180	MBA-M	17.5	1.3 km	multiple	1998–2020	12 Sep 2020	46	Disc.: SDSS	MPC · JPL
0	1998 SW180	MBA-I	19.1	450 m	multiple	1998–2020	05 Nov 2020	56	Disc.: SDSS	MPC · JPL
4	1998 SX180	MBA-M	18.0	1.4 km	multiple	1998–2012	14 Oct 2012	14	Disc.: SDSS	MPC · JPL
0	1998 SY180	MBA-M	18.1	1.0 km	multiple	1998–2015	09 Sep 2015	30	Disc.: SDSS	MPC · JPL
0	1998 SZ180	MBA-M	17.6	1.7 km	multiple	1998–2020	22 Jun 2020	40	Disc.: SDSS	MPC · JPL
1	1998 SA181	MBA-I	18.7	540 m	multiple	1998–2017	16 Nov 2017	33	Disc.: Spacewatch	MPC · JPL
0	1998 SB181	MBA-O	17.2	2.0 km	multiple	1998–2020	21 May 2020	63	Disc.: SDSS	MPC · JPL
0	1998 SC181	MBA-I	18.5	590 m	multiple	1998–2020	24 Jun 2020	99	Disc.: SDSS	MPC · JPL
0	1998 SD181	MBA-I	18.6	570 m	multiple	1998–2017	17 Oct 2017	34	Disc.: SDSS	MPC · JPL
0	1998 SE181	MBA-I	19.4	390 m	multiple	1998–2018	08 Aug 2018	23	Disc.: SDSS	MPC · JPL
0	1998 SF181	MBA-M	17.2	2.0 km	multiple	1998–2020	17 Sep 2020	65	Disc.: SDSS Added on 13 September 2020	MPC · JPL
0	1998 SG181	MBA-I	18.4	620 m	multiple	1998–2020	13 Sep 2020	74	Disc.: DB Missing Added on 19 October 2020	MPC · JPL
0	1998 SH181	MBA-M	18.1	1.0 km	multiple	1998–2020	11 Dec 2020	68	Disc.: DB Missing Added on 19 October 2020	MPC · JPL
0	1998 SJ181	MBA-M	17.4	1.4 km	multiple	1998–2020	05 Nov 2020	75	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
2	1998 SK181	MBA-O	16.9	2.3 km	multiple	1998–2020	16 Oct 2020	34	Disc.: SDSS Added on 17 January 2021	MPC · JPL
0	1998 SL181	MBA-I	17.9	780 m	multiple	1998–2020	16 Oct 2020	30	Disc.: SDSS Added on 17 January 2021	MPC · JPL
3	1998 SM181	MBA-I	19.5	370 m	multiple	1998–2020	14 Nov 2020	42	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1998 SN181	MBA-M	17.9	1.1 km	multiple	1998–2021	16 Jan 2021	36	Disc.: SDSS Added on 17 January 2021	MPC · JPL

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T

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

1	1998 TT3	AMO	18.8	620 m	multiple	1998–2017	16 Apr 2017	132	Disc.: LONEOS	MPC · JPL
0	1998 TA4	MBA-I	17.9	780 m	multiple	1998–2020	15 Sep 2020	89	Disc.: Spacewatch Alt.: 2015 EP48	MPC · JPL
0	1998 TB4	MBA-M	18.1	710 m	multiple	1998–2019	27 Nov 2019	38	Disc.: Spacewatch	MPC · JPL
0	1998 TU4	MBA-O	16.8	2.4 km	multiple	1998–2021	11 Jan 2021	103	Disc.: Spacewatch Alt.: 2009 WB140	MPC · JPL
4	1998 TA5	MBA-M	18.4	620 m	multiple	1994–2002	16 Aug 2002	20	Disc.: Spacewatch Alt.: 2002 PG123	MPC · JPL
0	1998 TB5	MBA-I	18.9	490 m	multiple	1998–2020	24 May 2020	91	Disc.: Spacewatch	MPC · JPL
0	1998 TV7	MBA-M	17.5	940 m	multiple	1998–2020	24 Jan 2020	113	Disc.: Spacewatch	MPC · JPL
3	1998 TG8	MBA-M	17.7	860 m	multiple	1998–2014	20 Sep 2014	16	Disc.: Spacewatch	MPC · JPL
0	1998 TB9	MBA-O	16.0	3.5 km	multiple	1998–2021	07 Jan 2021	112	Disc.: Spacewatch	MPC · JPL
0	1998 TX9	MBA-M	17.7	1.2 km	multiple	1998–2019	02 Nov 2019	51	Disc.: Spacewatch	MPC · JPL
0	1998 TZ13	MBA-I	18.5	590 m	multiple	1998–2020	14 Nov 2020	67	Disc.: Spacewatch Alt.: 2009 UM73	MPC · JPL
–	1998 TZ14	MBA-O	16.5	2.8 km	single	8 days	22 Oct 1998	8	Disc.: Spacewatch	MPC · JPL
0	1998 TY19	HUN	18.9	490 m	multiple	1998–2019	17 Nov 2019	67	Disc.: Spacewatch Alt.: 2011 SB26	MPC · JPL
0	1998 TL21	MBA-I	18.5	590 m	multiple	1998–2019	03 Apr 2019	72	Disc.: Spacewatch	MPC · JPL
0	1998 TX21	MBA-O	17.3	2.1 km	multiple	1998–2021	09 Jan 2021	81	Disc.: Spacewatch Alt.: 2010 DX50	MPC · JPL
0	1998 TY21	JT	14.1	8.4 km	multiple	1998–2020	17 Oct 2020	54	Disc.: Spacewatch Greek camp (L4)	MPC · JPL
0	1998 TY22	MBA-O	16.2	3.2 km	multiple	1998–2020	13 Sep 2020	145	Disc.: Spacewatch Alt.: 2012 GQ6	MPC · JPL
0	1998 TP24	MBA-O	16.6	2.7 km	multiple	1998–2020	11 Dec 2020	122	Disc.: Spacewatch Alt.: 2009 SL137, 2013 JJ43	MPC · JPL
0	1998 TR24	MBA-O	16.4	2.9 km	multiple	1998–2020	17 Dec 2020	125	Disc.: Spacewatch	MPC · JPL
0	1998 TA25	MBA-M	17.9	1.5 km	multiple	1998–2018	16 Jan 2018	50	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
1	1998 TT25	MBA-I	18.0	750 m	multiple	1998–2020	29 Jun 2020	60	Disc.: Spacewatch	MPC · JPL
1	1998 TV25	MBA-I	18.3	650 m	multiple	1998–2017	07 Dec 2017	53	Disc.: Spacewatch	MPC · JPL
0	1998 TF26	MBA-I	17.7	860 m	multiple	1998–2019	04 Feb 2019	54	Disc.: Spacewatch	MPC · JPL
1	1998 TE28	MBA-M	18.6	800 m	multiple	1998–2020	15 Dec 2020	79	Disc.: Spacewatch Added on 17 January 2021 Alt.: 2016 YV19	MPC · JPL
1	1998 TW28	MBA-I	18.6	570 m	multiple	1998–2019	27 Sep 2019	52	Disc.: Spacewatch Alt.: 2012 QN47	MPC · JPL
0	1998 TE36	MBA-I	17.9	780 m	multiple	1998–2020	13 Sep 2020	111	Disc.: Xinglong Stn. Alt.: 2013 WJ26	MPC · JPL
0	1998 TT38	MBA-O	16.5	2.8 km	multiple	1998–2020	16 Nov 2020	93	Disc.: Spacewatch	MPC · JPL
0	1998 TU38	MBA-I	18.8	520 m	multiple	1998–2018	07 Aug 2018	38	Disc.: Spacewatch	MPC · JPL
0	1998 TV38	MBA-I	18.5	590 m	multiple	1998–2021	07 Jan 2021	55	Disc.: Spacewatch	MPC · JPL

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U

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

8	1998 UR	AMO	22.7	100 m	single	11 days	27 Oct 1998	23	Disc.: LINEAR	MPC · JPL
1	1998 UM1	AMO	23.4	74 m	multiple	1998–2018	19 Nov 2018	65	Disc.: LINEAR Alt.: 2018 RP4	MPC · JPL
1	1998 UQ1	Asteroid	16.6	1.9 km	multiple	1998–2016	02 Jan 2016	123	Disc.: LINEAR MCA at MPC	MPC · JPL
0	1998 UK2	MBA-I	18.2	680 m	multiple	1998–2020	23 Jan 2020	92	Disc.: ODAS	MPC · JPL
1	1998 UH10	MBA-O	17.2	2.0 km	multiple	1998–2019	08 Jan 2019	38	Disc.: Spacewatch	MPC · JPL
0	1998 UO10	MBA-O	16.6	2.7 km	multiple	1998–2021	15 Jan 2021	102	Disc.: Spacewatch Alt.: 2014 WC40	MPC · JPL
2	1998 UR11	MBA-M	18.7	540 m	multiple	1998–2018	13 Sep 2018	56	Disc.: Spacewatch	MPC · JPL
0	1998 UF13	MBA-M	16.9	1.8 km	multiple	1998–2021	14 Jan 2021	116	Disc.: Spacewatch Alt.: 2015 TU292	MPC · JPL
–	1998 UG13	MBA-O	18.1	1.3 km	single	9 days	23 Oct 1998	9	Disc.: Spacewatch	MPC · JPL
1	1998 UP13	MBA-M	17.2	1.1 km	multiple	1998–2020	18 Apr 2020	141	Disc.: Spacewatch Alt.: 2015 XM170	MPC · JPL
2	1998 US18	APO	20.9	230 m	multiple	1998–2019	28 Nov 2019	68	Disc.: Spacewatch Potentially hazardous object Alt.: 2019 VC1	MPC · JPL
8	1998 UY24	APO	21.6	170 m	single	10 days	08 Nov 1998	16	Disc.: LINEAR	MPC · JPL
2	1998 UR43	TNO	8.3	97 km	multiple	1998–2017	23 Dec 2017	38	Disc.: Kitt Peak LoUTNOs, plutino, BR-mag: 1.27; taxonomy: BR	MPC · JPL
1	1998 UF45	MBA-M	17.5	1.8 km	multiple	1998–2018	09 Feb 2018	57	Disc.: Spacewatch	MPC · JPL
1	1998 UO46	MBA-I	18.6	570 m	multiple	1998–2020	16 Dec 2020	48	Disc.: Spacewatch	MPC · JPL
0	1998 UX47	MBA-M	17.2	1.1 km	multiple	1998–2019	03 Dec 2019	109	Disc.: Spacewatch Alt.: 2010 JK133, 2013 CB223, 2014 OF315	MPC · JPL
0	1998 UD50	MBA-M	17.1	2.1 km	multiple	1998–2020	19 Jul 2020	76	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1998 UZ50	MBA-M	17.9	1.1 km	multiple	1998–2021	15 Jan 2021	86	Disc.: Spacewatch Alt.: 2005 JT6, 2015 VQ14	MPC · JPL
0	1998 UB51	MBA-I	18.7	540 m	multiple	1998–2020	24 Nov 2020	77	Disc.: Spacewatch	MPC · JPL
0	1998 UC51	MBA-I	18.4	620 m	multiple	1998–2020	27 Jan 2020	70	Disc.: Spacewatch	MPC · JPL
0	1998 UF51	MBA-O	17.0	2.2 km	multiple	1998–2020	16 Mar 2020	72	Disc.: Spacewatch Alt.: 2008 WR112	MPC · JPL
1	1998 UG51	MBA-I	18.5	590 m	multiple	1998–2021	10 Jan 2021	66	Disc.: Spacewatch	MPC · JPL
2	1998 UH51	MBA-M	17.8	1.2 km	multiple	1998–2015	14 Dec 2015	26	Disc.: Spacewatch	MPC · JPL
0	1998 UJ51	MBA-O	16.9	2.3 km	multiple	1998–2021	16 Jan 2021	83	Disc.: Spacewatch	MPC · JPL
0	1998 UK51	MBA-O	17.2	2.0 km	multiple	1998–2020	26 Apr 2020	72	Disc.: Spacewatch	MPC · JPL
0	1998 UL51	MBA-I	17.9	780 m	multiple	1998–2020	26 May 2020	101	Disc.: Spacewatch	MPC · JPL
1	1998 UM51	MBA-I	18.2	680 m	multiple	1998–2019	25 Oct 2019	59	Disc.: ODAS	MPC · JPL
0	1998 UN51	MBA-I	18.1	710 m	multiple	1998–2019	06 Apr 2019	39	Disc.: Spacewatch	MPC · JPL
3	1998 UO51	MBA-I	19.1	450 m	multiple	1998–2017	10 Nov 2017	29	Disc.: Spacewatch	MPC · JPL
0	1998 UP51	MBA-O	16.3	3.1 km	multiple	1998–2020	05 Nov 2020	100	Disc.: Spacewatch	MPC · JPL
2	1998 UQ51	MBA-O	17.3	1.9 km	multiple	1998–2018	14 Sep 2018	62	Disc.: Spacewatch	MPC · JPL
1	1998 UR51	MBA-I	17.5	940 m	multiple	1998–2020	24 Mar 2020	35	Disc.: DB Missing Added on 19 October 2020	MPC · JPL
1	1998 US51	MBA-O	17.6	1.7 km	multiple	1998–2020	10 Dec 2020	47	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1998 UT51	MBA-M	18.2	960 m	multiple	1998–2021	12 Jan 2021	40	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1998 UU51	MBA-M	18.3	920 m	multiple	1998–2020	05 Dec 2020	42	Disc.: No observations Added on 17 January 2021	MPC · JPL

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V

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

2	1998 VP	AMO	19.1	540 m	multiple	1998–2020	26 May 2020	77	Disc.: LINEAR	MPC · JPL
4	1998 VQ	MCA	19.4	390 m	multiple	1998–2011	03 Nov 2011	64	Disc.: LINEAR Alt.: 2011 VM1	MPC · JPL
1	1998 VS	APO	22.3	120 m	multiple	1998–2019	05 Feb 2019	67	Disc.: LINEAR AMO at MPC	MPC · JPL
5	1998 VE31	APO	20.9	230 m	multiple	1998–2012	02 Dec 2012	95	Disc.: LINEAR	MPC · JPL
3	1998 VD32	APO	22.6	110 m	multiple	1998–2020	25 Nov 2020	130	Disc.: LINEAR Alt.: 2020 SS7	MPC · JPL
0	1998 VO39	MBA-O	16.9	2.3 km	multiple	1998–2020	17 Oct 2020	46	Disc.: Spacewatch	MPC · JPL
0	1998 VP40	MBA-O	16.9	2.7 km	multiple	1998–2021	05 Jan 2021	85	Disc.: Spacewatch Alt.: 2010 EG6	MPC · JPL
0	1998 VE41	MBA-I	17.2	1.1 km	multiple	1994–2020	17 Jun 2020	160	Disc.: Spacewatch Alt.: 2008 FA43, 2010 XN15	MPC · JPL
0	1998 VQ41	MBA-M	17.3	1.0 km	multiple	1998–2019	17 Dec 2019	65	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
0	1998 VH42	MBA-M	18.1	1.0 km	multiple	1998–2019	20 Dec 2019	79	Disc.: Spacewatch Alt.: 2002 RC174	MPC · JPL
0	1998 VF57	MBA-M	18.2	960 m	multiple	1998–2019	29 Oct 2019	56	Disc.: Spacewatch Alt.: 2015 TS391	MPC · JPL
0	1998 VH57	JT	13.7	10 km	multiple	1998–2020	05 Nov 2020	139	Disc.: Spacewatch Greek camp (L4)	MPC · JPL
0	1998 VJ57	MBA-O	16.8	2.4 km	multiple	1998–2020	26 Apr 2020	98	Disc.: Spacewatch	MPC · JPL
0	1998 VK57	MBA-I	18.6	570 m	multiple	1998–2020	14 Dec 2020	83	Disc.: Spacewatch	MPC · JPL
1	1998 VL57	MBA-I	18.5	590 m	multiple	1998–2021	08 Jan 2021	46	Disc.: Spacewatch	MPC · JPL
0	1998 VM57	MBA-M	17.9	1.1 km	multiple	1998–2019	05 Sep 2019	38	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL

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W

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

7	1998 WY1	AMO	21.9	150 m	single	12 days	28 Nov 1998	30	Disc.: LINEAR	MPC · JPL
0	1998 WA2	AMO	19.8	390 m	multiple	1998–2021	07 Jan 2021	211	Disc.: LINEAR Alt.: 2020 PE	MPC · JPL
0	1998 WB2	APO	21.8	150 m	multiple	1998–2010	16 May 2010	208	Disc.: LINEAR Potentially hazardous object Alt.: 2010 GJ7	MPC · JPL
2	1998 WL4	APO	19.5	450 m	multiple	1998–2019	30 Nov 2019	83	Disc.: Spacewatch	MPC · JPL
6	1998 WR5	AMO	18.5	710 m	single	28 days	17 Dec 1998	48	Disc.: LINEAR	MPC · JPL
2	1998 WS5	MCA	18.6	570 m	multiple	1990–2002	23 Nov 2002	76	Disc.: LINEAR	MPC · JPL
2	1998 WG24	TNO	7.0	176 km	multiple	1998–2017	12 Dec 2017	44	Disc.: Kitt Peak LoUTNOs, cubewano (cold)	MPC · JPL
3	1998 WU24	CEN	15.0	4.0 km	single	87 days	20 Feb 1999	62	Disc.: LINEAR , BR-mag: 1.31 MCA at MPC	MPC · JPL
3	1998 WV24	TNO	7.4	147 km	multiple	1998–2008	22 Dec 2008	23	Disc.: Kitt Peak LoUTNOs, other TNO, BR-mag: 1.27; taxonomy: BR; binary: 96 km	MPC · JPL
2	1998 WX24	TNO	6.7	202 km	multiple	1998–2018	09 Dec 2018	35	Disc.: Kitt Peak LoUTNOs, cubewano (cold), BR-mag: 1.79; taxonomy: RR	MPC · JPL
2	1998 WY24	TNO	7.2	161 km	multiple	1998–2016	07 Jan 2016	36	Disc.: Kitt Peak LoUTNOs, cubewano (cold)	MPC · JPL
E	1998 WZ24	TNO	8.1	106 km	single	65 days	22 Jan 1999	6	Disc.: Kitt Peak LoUTNOs, plutino?	MPC · JPL
0	1998 WN26	MBA-O	16.7	2.5 km	multiple	1998–2021	08 Jan 2021	106	Disc.: Spacewatch	MPC · JPL
0	1998 WR26	MBA-O	16.8	2.4 km	multiple	1998–2020	21 Apr 2020	63	Disc.: Spacewatch Alt.: 2015 DQ163	MPC · JPL
–	1998 WW26	MCA	18.7	1.0 km	single	6 days	22 Nov 1998	8	Disc.: Spacewatch	MPC · JPL
0	1998 WY27	MBA-M	18.1	1.0 km	multiple	1998–2021	07 Jan 2021	38	Disc.: Spacewatch Alt.: 2011 WP60	MPC · JPL
0	1998 WG28	MBA-O	16.4	2.9 km	multiple	1998–2021	06 Jan 2021	153	Disc.: Spacewatch Alt.: 2014 WB242	MPC · JPL
0	1998 WN29	MBA-M	17.6	900 m	multiple	1998–2020	26 Jan 2020	71	Disc.: Spacewatch	MPC · JPL
3	1998 WS31	TNO	8.26	97 km	multiple	1998–2021	11 Jan 2021	33	Disc.: Kitt Peak LoUTNOs, plutino, BR-mag: 1.32; taxonomy: IR-BR	MPC · JPL
2	1998 WV31	TNO	7.5	140 km	multiple	1998–2017	20 Dec 2017	28	Disc.: Kitt Peak LoUTNOs, plutino, BR-mag: 1.31; taxonomy: BR	MPC · JPL
2	1998 WW31	TNO	6.7	148 km	multiple	1998–2019	26 Oct 2019	38	Disc.: Kitt Peak LoUTNOs, cubewano (hot), albedo: 0.054; binary: 123 km	MPC · JPL
1	1998 WX31	TNO	6.8	193 km	multiple	1998–2017	20 Dec 2017	37	Disc.: Kitt Peak LoUTNOs, cubewano (cold)	MPC · JPL
2	1998 WY31	TNO	6.9	185 km	multiple	1998–2015	18 Feb 2015	23	Disc.: Kitt Peak LoUTNOs, cubewano (cold)	MPC · JPL
3	1998 WZ31	TNO	8.1	106 km	multiple	1998–2008	22 Oct 2008	26	Disc.: Kitt Peak LoUTNOs, plutino, BR-mag: 1.26; taxonomy: BB-BR	MPC · JPL
–	1998 WE35	MBA-M	17.3	1.9 km	single	6 days	23 Nov 1998	9	Disc.: Spacewatch	MPC · JPL
0	1998 WF36	MBA-I	18.5	590 m	multiple	1998–2020	05 Nov 2020	75	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1998 WZ36	MBA-I	18.1	710 m	multiple	1998–2020	08 Nov 2020	71	Disc.: Spacewatch Added on 22 July 2020	MPC · JPL
1	1998 WL37	MBA-M	17.3	1.5 km	multiple	1998–2020	20 Dec 2020	140	Disc.: Spacewatch	MPC · JPL
0	1998 WZ37	MBA-M	17.1	1.1 km	multiple	1998–2020	22 Apr 2020	141	Disc.: Spacewatch	MPC · JPL
0	1998 WA38	MBA-I	18.0	750 m	multiple	1998–2020	16 Aug 2020	71	Disc.: Spacewatch Alt.: 2019 JL15	MPC · JPL
0	1998 WP38	MBA-O	16.0	3.5 km	multiple	1998–2021	06 Jan 2021	146	Disc.: Spacewatch Alt.: 2014 RL15, 2015 XW180	MPC · JPL
0	1998 WQ38	JT	14.2	8.0 km	multiple	1998–2020	23 Oct 2020	90	Disc.: Spacewatch Greek camp (L4) Alt.: 2009 SY403	MPC · JPL
0	1998 WE39	MBA-I	17.6	900 m	multiple	1998–2020	15 Feb 2020	156	Disc.: Spacewatch Alt.: 2015 TQ200	MPC · JPL
1	1998 WW39	MBA-I	18.7	540 m	multiple	1998–2019	28 Nov 2019	60	Disc.: Spacewatch Alt.: 2017 BK116	MPC · JPL
0	1998 WG40	MBA-M	16.7	2.5 km	multiple	1998–2020	28 Jun 2020	78	Disc.: Spacewatch	MPC · JPL
0	1998 WK42	MBA-O	15.9	3.7 km	multiple	1998–2021	06 Jan 2021	176	Disc.: ODAS Alt.: 2003 SV89, 2009 UV58, 2016 AY86	MPC · JPL
0	1998 WY42	MBA-O	17.1	2.1 km	multiple	1998–2020	11 Dec 2020	74	Disc.: Spacewatch	MPC · JPL
0	1998 WC43	MBA-O	17.2	2.0 km	multiple	1998–2020	14 Nov 2020	40	Disc.: Spacewatch Added on 17 January 2021 Alt.: 2014 SC50	MPC · JPL
0	1998 WD43	JT	14.7	6.4 km	multiple	1998–2020	15 Oct 2020	60	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1998 WH43	MBA-M	17.4	980 m	multiple	1998–2020	04 Jan 2020	114	Disc.: Spacewatch Alt.: 2016 BB12	MPC · JPL
0	1998 WE44	MBA-O	16.7	2.5 km	multiple	1998–2021	11 Jan 2021	61	Disc.: La Palma Obs.	MPC · JPL
4	1998 WJ44	MBA-M	18.7	540 m	multiple	1998–2019	26 Nov 2019	20	Disc.: La Palma Obs. Added on 22 July 2020	MPC · JPL
E	1998 WK44	JT	14.5	7.0 km	single	5 days	22 Nov 1998	9	Disc.: La Palma Obs. Greek camp (L4)	MPC · JPL
1	1998 WL44	MBA-M	18.4	620 m	multiple	1998–2020	03 Jan 2020	44	Disc.: La Palma Obs. Added on 22 July 2020 Alt.: 2002 RJ301	MPC · JPL
0	1998 WT44	MBA-M	16.7	1.4 km	multiple	1998–2020	25 Apr 2020	178	Disc.: La Palma Obs. Alt.: 2008 JF3, 2017 OX9	MPC · JPL
0	1998 WV44	MBA-M	17.1	2.1 km	multiple	1998–2020	08 Nov 2020	111	Disc.: La Palma Obs. Alt.: 2015 PX177	MPC · JPL
0	1998 WA45	MBA-M	16.8	1.8 km	multiple	1998–2020	27 Jan 2020	132	Disc.: La Palma Obs.	MPC · JPL
0	1998 WF45	MBA-I	18.5	590 m	multiple	1998–2021	10 Jan 2021	48	Disc.: La Palma Obs. Added on 24 August 2020	MPC · JPL
2	1998 WH46	MBA-M	18.4	620 m	multiple	1998–2018	08 Aug 2018	23	Disc.: Spacewatch Added on 17 January 2021	MPC · JPL
0	1998 WK46	MBA-M	17.6	900 m	multiple	1998–2019	19 Dec 2019	54	Disc.: Spacewatch	MPC · JPL
0	1998 WL46	MBA-M	17.5	1.8 km	multiple	1998–2018	22 Jan 2018	63	Disc.: Spacewatch	MPC · JPL
0	1998 WM46	JT	14.0	8.8 km	multiple	1998–2020	08 Nov 2020	98	Disc.: Spacewatch Greek camp (L4)	MPC · JPL
0	1998 WN46	MBA-M	17.4	1.8 km	multiple	1998–2020	15 Sep 2020	91	Disc.: Spacewatch	MPC · JPL
1	1998 WO46	MBA-I	18.9	490 m	multiple	1998–2017	21 Nov 2017	42	Disc.: Spacewatch	MPC · JPL
0	1998 WP46	MBA-I	18.7	540 m	multiple	1998–2020	20 Apr 2020	59	Disc.: Spacewatch	MPC · JPL
1	1998 WQ46	MBA-M	18.3	650 m	multiple	1998–2020	24 Jan 2020	61	Disc.: Spacewatch	MPC · JPL
0	1998 WR46	MBA-I	18.9	490 m	multiple	1998–2018	15 Oct 2018	49	Disc.: Spacewatch	MPC · JPL
0	1998 WS46	MBA-I	18.4	620 m	multiple	1998–2020	23 Jan 2020	59	Disc.: Spacewatch	MPC · JPL
0	1998 WT46	MBA-I	18.0	750 m	multiple	1998–2019	03 Dec 2019	47	Disc.: Spacewatch	MPC · JPL
1	1998 WU46	HUN	19.0	470 m	multiple	1998–2018	18 Jun 2018	39	Disc.: Spacewatch	MPC · JPL
0	1998 WV46	MBA-O	17.4	1.8 km	multiple	1998–2018	09 Nov 2018	54	Disc.: Spacewatch	MPC · JPL
1	1998 WW46	MBA-I	18.7	540 m	multiple	1998–2021	04 Jan 2021	60	Disc.: Spacewatch	MPC · JPL
0	1998 WX46	JT	14.5	7.0 km	multiple	1998–2020	19 Aug 2020	43	Disc.: Spacewatch Greek camp (L4)	MPC · JPL

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X

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

1	1998 XD9	MCA	17.8	820 m	multiple	1998–2020	21 May 2020	158	Disc.: LINEAR	MPC · JPL
6	1998 XD12	APO	20.7	260 m	single	10 days	24 Dec 1998	59	Disc.: LINEAR Potentially hazardous object	MPC · JPL
4	1998 XN17	ATE	22.8	98 m	multiple	1998–2004	24 Mar 2004	36	Disc.: LINEAR	MPC · JPL
0	1998 XR19	MBA-O	15.9	3.7 km	multiple	1998–2020	23 Jan 2020	124	Disc.: Spacewatch Alt.: 2015 BO18, 2016 GK145	MPC · JPL
0	1998 XW22	MBA-M	17.1	1.6 km	multiple	1998–2021	15 Jan 2021	139	Disc.: Spacewatch Alt.: 2011 YM71, 2015 XK75	MPC · JPL
0	1998 XY22	MBA-I	17.2	1.1 km	multiple	1998–2020	15 Sep 2020	97	Disc.: Spacewatch	MPC · JPL
0	1998 XX24	MBA-M	17.8	820 m	multiple	1998–2020	14 Feb 2020	120	Disc.: Spacewatch	MPC · JPL

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Y

U	Designation	Class	Physical		Observations				Description and notes	Ref
U	Designation	Class	H	D	Opp.	Arc	Last	Used	Description and notes	Ref

5	1998 YG10	MCA	19.2	430 m	single	120 days	17 Jan 1999	29	Disc.: Spacewatch	MPC · JPL
1	1998 YO19	MBA-M	17.9	1.1 km	multiple	1998–2019	17 Dec 2019	59	Disc.: Spacewatch Alt.: 2012 BV47	MPC · JPL
1	1998 YO21	MBA-M	17.8	1.2 km	multiple	1998–2020	25 Jan 2020	80	Disc.: Spacewatch	MPC · JPL
0	1998 YV33	MBA-M	16.9	1.8 km	multiple	1998–2020	11 May 2020	117	Disc.: Spacewatch	MPC · JPL
0	1998 YY33	MBA-I	17.9	780 m	multiple	1998–2020	15 Dec 2020	79	Disc.: Spacewatch	MPC · JPL
0	1998 YZ33	MBA-I	17.9	780 m	multiple	1998–2021	08 Jan 2021	84	Disc.: Spacewatch	MPC · JPL
0	1998 YA34	MBA-O	16.9	2.3 km	multiple	1998–2020	26 Apr 2020	84	Disc.: Spacewatch	MPC · JPL
0	1998 YB34	MBA-M	17.1	2.1 km	multiple	1998–2020	06 Dec 2020	85	Disc.: Spacewatch	MPC · JPL
0	1998 YC34	MBA-M	17.5	1.3 km	multiple	1998–2020	28 Jan 2020	64	Disc.: Spacewatch	MPC · JPL

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References

"Data Available from the Minor Planet Center – MPCORB.DAT". Minor Planet Center. 19 October 2020. Retrieved 17 January 2021. (doc)
"NEOWISE Diameters and Albedos – V2.0". PDS Small Bodies Node. 2019. Retrieved 18 January 2021.
Johnston, Wm. Robert (18 August 2020). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 18 January 2021.
"List Of Jupiter Trojans". Minor Planet Center. 8 December 2020. Retrieved 18 January 2021.

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[MPCORB-1] "Data Available from the Minor Planet Center – MPCORB.DAT". Minor Planet Center. 19 October 2020. Retrieved 17 January 2021. (doc)

[PDS-NEOWISE-diameters-2] "NEOWISE Diameters and Albedos – V2.0". PDS Small Bodies Node. 2019. Retrieved 18 January 2021.

[johnstonsarchive-TNO-list-3] Johnston, Wm. Robert (18 August 2020). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 18 January 2021.

[MPC-JupiterTrojans-4] "List Of Jupiter Trojans". Minor Planet Center. 8 December 2020. Retrieved 18 January 2021.