List of unnumbered trans-Neptunian objects: 2003

The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2003. As of October 2020, it contains a total of 142 bodies.[1][2][3] For more information see the description on the main page. Also see list for the previous and next year.

2003

Designation First Observed (discovered) D (km) Orbital description Remarks Refs
Date Observer
(Site)
Class a
(AU)
e i
(°)
q
(AU)
Q
(AU)
2003 BF9127 January 2003G. Bernstein
D. Trilling (250)
20cubewano (cold)42.70.01242.143.4MPC · JPL
2003 BG9127 January 2003G. Bernstein
D. Trilling (250)
32cubewano (cold)43.40.10339.147.8MPC · JPL
2003 BH9127 January 2003G. Bernstein
D. Trilling (250)
18cubewano (cold)44.00.03242.645.4MPC · JPL
2003 FA13024 March 2003Mauna Kea Obs. (568)161cubewano (cold)42.90.04041.244.5MPC · JPL
2003 FB13024 March 2003Mauna Kea Obs. (568)140cubewano (hot)43.00.112438.247.8MPC · JPL
2003 FD12831 March 2003M. W. Buie (695)154other TNO38.40.02537.539.2MPC · JPL
2003 FH12730 March 2003M. W. Buie (695)222cubewano (cold)44.80.08041.148.5MPC · JPL
2003 FH12930 March 2003M. W. Buie (695)97centaur70.80.611927.8114MPC · JPL
2003 FJ12730 March 2003M. W. Buie (695)140other TNO45.10.262333.257.1MPC · JPL
2003 FL12731 March 2003M. W. Buie (695)212plutino39.30.23430.148.5MPC · JPL
2003 FM12731 March 2003M. W. Buie (695)168cubewano (cold)44.00.06441.546.6MPC · JPL
2003 FM12931 March 2003DLS (807)232SDO51.00.281836.565.5MPC · JPL
2003 FZ12924 March 2003Mauna Kea Obs. (568)147SDO62.40.39638.186.8BR-mag: 1.32; taxonomy: BRMPC · JPL
2003 GF551 April 2003M. W. Buie (695)212cubewano (hot)45.80.05643.648.0MPC · JPL
2003 GM531 April 2003M. W. Buie (695)185cubewano (hot)44.50.05742.246.7MPC · JPL
2003 HA5726 April 2003Mauna Kea Obs. (568)106plutino39.70.182832.746.7MPC · JPL
2003 HD5726 April 2003Mauna Kea Obs. (568)117plutino39.70.18632.546.9MPC · JPL
2003 HE5726 April 2003Mauna Kea Obs. (568)154cubewano (hot)44.30.10939.848.8MPC · JPL
2003 HF5726 April 2003Mauna Kea Obs. (568)84plutino39.70.20131.947.5MPC · JPL
2003 HG5726 April 2003Mauna Kea Obs. (568)156cubewano (cold)44.00.04242.345.6binary: 156 kmMPC · JPL
2003 HH5726 April 2003Mauna Kea Obs. (568)147cubewano (cold)44.30.09140.348.3MPC · JPL
2003 HJ5726 April 2003Mauna Kea Obs. (568)97plutino?39.70.252229.849.6MPC · JPL
2003 HK5726 April 2003Mauna Kea Obs. (568)111cubewano (hot)43.40.07640.246.7MPC · JPL
2003 HL5726 April 2003Mauna Kea Obs. (568)243cubewano (hot)46.20.20937.255.2MPC · JPL
2003 HM5726 April 2003Mauna Kea Obs. (568)93centaur42.60.681113.571.6MPC · JPL
2003 HN5726 April 2003Mauna Kea Obs. (568)140cubewano (cold)44.40.07241.547.4MPC · JPL
2003 HO5726 April 2003Mauna Kea Obs. (568)111cubewano (cold)46.70.16439.154.2MPC · JPL
2003 HP5726 April 2003Mauna Kea Obs. (568)232cubewano (hot)46.70.193837.955.4MPC · JPL
2003 HX5626 April 2003Mauna Kea Obs. (568)168other TNO47.40.223036.957.9BR-mag: 1.01MPC · JPL
2003 HZ5626 April 2003Mauna Kea Obs. (568)140cubewano (cold)43.90.01343.544.2MPC · JPL
2003 KO2030 May 2003M. W. Buie (807)212cubewano (cold)44.20.04242.545.9MPC · JPL
2003 KP2030 May 2003M. W. Buie (807)161cubewano (cold)44.80.12239.550.2MPC · JPL
2003 LA71 June 2003M. W. Buie (807)222res · 1:477.60.54636.0119MPC · JPL
2003 LC71 June 2003M. W. Buie (807)255cubewano (cold)45.10.12539.950.4MPC · JPL
2003 LD71 June 2003M. W. Buie (807)185cubewano (cold)42.90.04241.144.7MPC · JPL
2003 LD91 June 2003M. W. Buie
K. J. Meech (807)
193other TNO47.70.18739.356.1MPC · JPL
2003 LE71 June 2003M. W. Buie (807)134plutino?39.30.211931.247.4MPC · JPL
2003 LF71 June 2003M. W. Buie (807)117plutino?39.50.13334.544.5MPC · JPL
2003 LZ61 June 2003M. W. Buie (807)222cubewano (hot)43.50.00743.543.5MPC · JPL
2003 OS3331 July 2003Mauna Kea Obs. (568)122SDO69.50.532133.0106MPC · JPL
2003 QA9224 August 2003M. W. Buie (807)185other TNO38.40.06336.140.7BR-mag: 1.67MPC · JPL
2003 QB9124 August 2003M. W. Buie (807)193plutino39.30.19731.746.9MPC · JPL
2003 QB11226 August 2003M. W. Buie (807)161cubewano (hot)44.00.111139.248.8MPC · JPL
2003 QC9125 August 2003M. W. Buie (807)176cubewano (cold)43.50.00343.543.5MPC · JPL
2003 QD9123 August 2003M. W. Buie (807)154cubewano (cold)43.30.04241.844.8MPC · JPL
2003 QE9123 August 2003M. W. Buie (807)154cubewano (cold)43.00.05440.845.2MPC · JPL
2003 QE11226 August 2003M. W. Buie (807)212cubewano (cold)43.10.04441.444.8MPC · JPL
2003 QF9123 August 2003M. W. Buie (807)154cubewano (cold)43.00.04241.444.6MPC · JPL
2003 QG9124 August 2003M. W. Buie (807)154cubewano (cold)42.70.02241.943.5MPC · JPL
2003 QJ9124 August 2003M. W. Buie (807)202cubewano (cold)44.40.04342.746.1MPC · JPL
2003 QK9125 August 2003M. W. Buie (807)154SDO68.60.44438.598.8BR-mag: 1.37; taxonomy: BRMPC · JPL
2003 QL9125 August 2003M. W. Buie (807)185cubewano (cold)43.10.01242.643.6MPC · JPL
2003 QM9125 August 2003M. W. Buie (807)222cubewano (cold)43.30.05341.245.4MPC · JPL
2003 QM11229 August 2003S. S. Sheppard
D. C. Jewitt
J. Kleyna (568)
7centaur83.40.841613.2154MPC · JPL
2003 QN9123 August 2003M. W. Buie (807)154cubewano (cold)42.60.11437.947.3MPC · JPL
2003 QO9123 August 2003M. W. Buie (807)185cubewano (hot)45.40.13739.351.5MPC · JPL
2003 QO11229 August 2003S. S. Sheppard
D. C. Jewitt
J. Kleyna (568)
18centaur33.30.50716.550.1MPC · JPL
2003 QP9123 August 2003M. W. Buie (807)232cubewano (hot)43.50.14637.549.5MPC · JPL
2003 QQ9123 August 2003M. W. Buie (807)134other TNO38.70.07536.041.3BR-mag: 1.18MPC · JPL
2003 QR9124 August 2003M. W. Buie (807)207cubewano (cold)47.00.19438.155.8albedo: 0.054; binary: 189 kmMPC · JPL
2003 QS9125 August 2003M. W. Buie (807)128cubewano (cold)46.20.14439.652.9MPC · JPL
2003 QT9023 August 2003M. W. Buie (807)193cubewano (cold)44.00.06241.646.5MPC · JPL
2003 QT9125 August 2003M. W. Buie (807)168cubewano (cold)44.30.09040.548.2MPC · JPL
2003 QU9023 August 2003M. W. Buie (807)161cubewano (cold)43.40.01243.043.7MPC · JPL
2003 QU9125 August 2003M. W. Buie (807)147cubewano (hot)43.60.142637.649.7MPC · JPL
2003 QV9023 August 2003M. W. Buie (807)176cubewano (cold)43.80.05241.646.1MPC · JPL
2003 QV9123 August 2003M. W. Buie (807)140plutino?39.50.353325.753.3MPC · JPL
2003 QW9123 August 2003M. W. Buie (807)67plutino?39.50.27528.750.2MPC · JPL
2003 QX9024 August 2003M. W. Buie (807)193cubewano (cold)44.10.02343.344.8MPC · JPL
2003 QX9123 August 2003M. W. Buie (807)93res · 4:743.70.252832.754.7MPC · JPL
2003 QX11125 August 2003M. W. Buie (807)434plutino39.40.141034.144.7albedo: 0.018MPC · JPL
2003 QX11331 August 2003Mauna Kea Obs. (568)423other TNO49.80.25737.362.3MPC · JPL
2003 QY9024 August 2003M. W. Buie (807)81cubewano (cold)42.90.05440.844.9albedo: 0.310; binary: 80 kmMPC · JPL
2003 QY9123 August 2003M. W. Buie (807)128SDO82.50.612632.0133MPC · JPL
2003 QY11125 August 2003M. W. Buie (807)185cubewano (cold)43.40.04341.745.2MPC · JPL
2003 QY11331 August 2003Mauna Kea Obs. (568)202cubewano (cold)45.30.03343.946.8MPC · JPL
2003 QZ9024 August 2003M. W. Buie (807)202cubewano (hot)43.60.00643.643.6MPC · JPL
2003 QZ11126 August 2003M. W. Buie (807)176cubewano (cold)43.00.06340.445.7MPC · JPL
2003 SN31725 September 2003Mauna Kea Obs. (568)222cubewano (cold)42.40.04240.544.3MPC · JPL
2003 SO31725 September 2003Mauna Kea Obs. (568)106plutino39.30.28728.450.2MPC · JPL
2003 SQ31725 September 2003Mauna Kea Obs. (568)212Haumea42.70.082939.246.2BR-mag: 1.05; suspected binaryMPC · JPL
2003 SR31725 September 2003Mauna Kea Obs. (568)128plutino39.40.17832.846.0MPC · JPL
2003 SS42228 September 2003Cerro Tololo Obs. (807)168ESDO1960.801739.4354ETNOMPC · JPL
2003 TH583 October 2003Mauna Kea Obs. (568)168plutino39.20.092835.842.6BR-mag: 0.87; taxonomy: UMPC · JPL
2003 TJ583 October 2003Mauna Kea Obs. (568)65cubewano (cold)44.20.08140.547.9albedo: 0.285; binary: 51 kmMPC · JPL
2003 TK583 October 2003Mauna Kea Obs. (568)193cubewano (cold)42.90.07339.945.9MPC · JPL
2003 TL583 October 2003Mauna Kea Obs. (568)176cubewano (hot)43.30.04841.545.1MPC · JPL
2003 UA29222 October 2003M. W. Buie (695)267cubewano (hot)46.80.151139.853.8MPC · JPL
2003 UA41418 October 2003NEAT (644)443res · 2:982.70.562236.5129MPC · JPL
2003 UB29223 October 2003M. W. Buie (695)321cubewano (hot)46.90.061944.149.7MPC · JPL
2003 UC29223 October 2003M. W. Buie (695)185cubewano (cold)45.10.09441.249.1MPC · JPL
2003 UC41430 October 2003Cerro Tololo Obs. (807)97centaur44.90.642616.373.5MPC · JPL
2003 UD29223 October 2003M. W. Buie (695)212cubewano (hot)46.00.11840.951.1MPC · JPL
2003 UE29223 October 2003M. W. Buie (695)202cubewano (hot)43.50.141937.649.3MPC · JPL
2003 UF29223 October 2003M. W. Buie (695)154cubewano (hot)44.80.133139.150.5MPC · JPL
2003 UG29223 October 2003M. W. Buie (695)176cubewano (hot)43.40.10739.147.7MPC · JPL
2003 UH29224 October 2003M. W. Buie (695)128cubewano (hot)43.90.07741.046.9MPC · JPL
2003 UK29224 October 2003M. W. Buie (695)161cubewano (hot)43.20.111338.547.9MPC · JPL
2003 UK29323 October 2003M. W. Buie (695)147cubewano (cold)42.20.07339.245.2MPC · JPL
2003 UL29224 October 2003M. W. Buie (695)154cubewano (cold)44.90.07441.548.3MPC · JPL
2003 UM29224 October 2003M. W. Buie (695)176cubewano (hot)46.10.191837.454.7MPC · JPL
2003 UN28424 October 2003M. W. Buie (695)124cubewano (cold)42.40.01342.242.6albedo: 0.090; binary: 83 kmMPC · JPL
2003 UN29224 October 2003M. W. Buie (695)140cubewano (cold)44.70.10140.049.3MPC · JPL
2003 UO29222 October 2003M. W. Buie (695)147plutino?39.40.19532.046.8MPC · JPL
2003 UP29223 October 2003M. W. Buie (695)161twotino47.40.411327.966.9MPC · JPL
2003 UQ29223 October 2003M. W. Buie (695)176plutino?39.50.12334.644.4MPC · JPL
2003 US29122 October 2003M. W. Buie (695)168cubewano (hot)44.90.002444.944.9MPC · JPL
2003 UT29122 October 2003M. W. Buie (695)232cubewano (cold)42.60.07239.745.4MPC · JPL
2003 UT29224 October 2003M. W. Buie (695)186plutino39.00.291827.750.3albedo: 0.067MPC · JPL
2003 UU29123 October 2003M. W. Buie (695)168cubewano (cold)44.20.00344.244.2MPC · JPL
2003 UU29224 October 2003M. W. Buie (695)101plutino?39.50.131734.344.7MPC · JPL
2003 UV29123 October 2003M. W. Buie (695)154cubewano (cold)43.40.04241.745.2MPC · JPL
2003 UV29224 October 2003M. W. Buie (695)154plutino39.10.211130.747.5MPC · JPL
2003 UW29123 October 2003M. W. Buie (695)243cubewano (hot)44.60.001244.644.6MPC · JPL
2003 UX29123 October 2003M. W. Buie (695)176cubewano (hot)46.50.001146.546.5MPC · JPL
2003 UX29223 October 2003M. W. Buie (695)212cubewano (hot)44.10.121138.649.5MPC · JPL
2003 UY29124 October 2003M. W. Buie (695)147other TNO48.90.16441.156.7BR-mag: 1.39; taxonomy: BBMPC · JPL
2003 UZ29122 October 2003M. W. Buie (695)222cubewano (hot)44.90.13538.950.9MPC · JPL
2003 UZ29224 October 2003M. W. Buie (695)128cubewano (hot)43.10.142237.249.1MPC · JPL
2003 WA19123 November 2003M. W. Buie (695)134plutino39.10.23530.048.2MPC · JPL
2003 WN19317 November 2003Cerro Tololo Obs. (807)88plutino39.40.252229.449.4MPC · JPL
2003 WO19329 November 2003Cerro Tololo Obs. (807)101other TNO38.60.19731.445.8MPC · JPL
2003 WQ18820 November 2003M. W. Buie (695)293cubewano (hot)46.30.00646.346.3MPC · JPL
2003 WS18420 November 2003M. W. Buie (695)147cubewano (cold)44.00.05341.846.2MPC · JPL
2003 WS18820 November 2003M. W. Buie (695)70plutino?39.30.24630.048.7MPC · JPL
2003 WU18824 November 2003M. W. Buie (695)178cubewano (cold)43.90.04442.245.5albedo: 0.150; binary: 129 kmMPC · JPL
2003 WV18820 November 2003M. W. Buie (695)168cubewano (hot)45.90.00845.945.9MPC · JPL
2003 WW18821 November 2003M. W. Buie (695)147cubewano (hot)44.30.08540.947.6MPC · JPL
2003 YJ17916 December 2003Mauna Kea Obs. (568)168cubewano (cold)43.40.07140.246.6MPC · JPL
2003 YK17916 December 2003Mauna Kea Obs. (568)140cubewano (hot)41.50.142035.547.4MPC · JPL
2003 YM17916 December 2003Mauna Kea Obs. (568)111other TNO40.80.062438.443.2MPC · JPL
2003 YN17916 December 2003Mauna Kea Obs. (568)193cubewano (cold)44.00.01343.644.5MPC · JPL
2003 YP17924 December 2003Mauna Kea Obs. (568)147cubewano (cold)43.90.08140.547.2MPC · JPL
2003 YQ17924 December 2003Mauna Kea Obs. (568)176SDO88.00.582137.2139MPC · JPL
2003 YR17924 December 2003Mauna Kea Obs. (568)168cubewano (hot)43.30.051041.145.4MPC · JPL
2003 YS17924 December 2003Mauna Kea Obs. (568)146cubewano (cold)43.30.03442.244.5binary: 126 kmMPC · JPL
2003 YT17924 December 2003Mauna Kea Obs. (568)168cubewano (cold)43.30.03242.044.6MPC · JPL
2003 YU17924 December 2003Mauna Kea Obs. (568)193cubewano (cold)46.40.15539.353.6binary: 106 kmMPC · JPL
2003 YV17924 December 2003Mauna Kea Obs. (568)176other TNO46.90.221636.757.1MPC · JPL
2003 YX17924 December 2003Mauna Kea Obs. (568)176cubewano (cold)43.30.04541.745.0MPC · JPL
2003 YY17916 December 2003Mauna Kea Obs. (568)67plutino?39.60.161133.445.7MPC · JPL
2003 YZ17924 December 2003Mauna Kea Obs. (568)134cubewano (hot)43.20.121338.248.1MPC · JPL

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References

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