January 2000 lunar eclipse

January 2000 lunar eclipse
	Total eclipse
	Partiality from Buenos Aires, 3:20 UTC
Date	21 January 2000
Gamma	-0.2957
Magnitude	1.3246
Saros cycle	124 (48 of 74)
Totality	76 minutes, 59 seconds
Partiality	203 minutes, 19 seconds
Penumbral	318 minutes, 12 seconds
Contacts (UTC)
P1	02:04:26
U1	03:01:50
U2	04:05:01
Greatest	04:43:31
U3	05:22:00
U4	06:25:09
P4	07:22:38

A total lunar eclipse took place on 21 January 2000, the first of two total lunar eclipses in 2000.

Visibility

Related lunar eclipses

Eclipses of 2000

Lunar year series

Lunar eclipse series sets from 1998–2002
Descending node				Ascending node
Saros	Date Viewing	Type Chart	Gamma	Saros	Date Viewing	Type Chart	Gamma
109	1998 Aug 08	Penumbral	1.4876	114	1999 Jan 31	Penumbral	-1.0190
119	1999 Jul 28	Partial	0.7863	124	2000 Jan 21	Total	-0.2957
129	2000 Jul 16	Total	0.0302	134	2001 Jan 09	Total	0.3720
139	2001 Jul 05	Partial	-0.7287	144	2001 Dec 30	Penumbral	1.0732
149	2002 Jun 24	Penumbral	-1.4440

Last set	1998 Sep 06			Last set	1998 Mar 13

Next set	2002 May 26			Next set	2002 Nov 20

Tritos series

The tritos series repeats 31 days short of 11 years at alternating nodes. Sequential events have incremental Saros cycle indices.

This series produces 20 total eclipses between April 24, 1967 and August 11, 2185, only being partial on November 19, 2021.

Tritos eclipse series (subset 1901–2087)
Descending node			Ascending node
Saros	Date Viewing	Type chart	Saros	Date Viewing	Type chart
115	1901 Oct 27	Partial	116	1912 Sep 26	Partial
117	1923 Aug 26	Partial	118	1934 Jul 26	Partial
119	1945 Jun 25	Partial	120	1956 May 24	Partial
121	1967 Apr 24	Total	122	1978 Mar 24	Total
123	1989 Feb 20	Total	124	2000 Jan 21	Total
125	2010 Dec 21	Total	126	2021 Nov 19	Partial
127	2032 Oct 18	Total	128	2043 Sep 19	Total
129	2054 Aug 18	Total	130	2065 Jul 17	Total
131	2076 Jun 17	Total	132	2087 May 17	Total
133	2098 Apr 15	Total

Half-Saros cycle

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[1] This lunar eclipse is related to two annular solar eclipses of Solar Saros 131.

January 15, 1991	January 26, 2009

References

Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros

External links

Saros cycle 124
2000 Jan 21 chart Eclipse Predictions by Fred Espenak, NASA/GSFC

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[1] Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros