Ephemeris for 2I/Borisov

by Dominic Ford

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All times computed for South El Monte (latitude 34.05°; longitude -118.05°) and expressed in South El Monte time.

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Ephemeris for 2I/Borisov
Date	Time	Age of Moon	Right Ascension	Declination	Rise	Culm	Set	Approx Mag.	Observable (hover mouse)	Constellation
Date	Time	Age of Moon	Right Ascension	Declination	Rise	Culm	Set	Approx Mag.	Observable (hover mouse)	Constellation

Ephemeris for 2I/Borisov
Date			Time	Age of Moon	Right Ascension	Declination	Rise	Culm	Set	Approx Mag.	Observable (hover mouse)	Constellation
Date			Time	Age of Moon	Right Ascension	Declination	Rise	Culm	Set	Approx Mag.	Observable (hover mouse)	Constellation
2026	Jan	28	00:00 PST	09 days	18^h07^m43^s	−53°30'56"	07:41	09:27	11:14	35.7	Not observable	Ara
2026	Jan	28	03:00 PST	09 days	18^h07^m44^s	−53°30'58"	07:41	09:27	11:14	35.7	Not observable	Ara
2026	Jan	28	06:00 PST	09 days	18^h07^m45^s	−53°31'01"	07:41	09:27	11:14	35.7	Not observable	Ara
2026	Jan	28	09:00 PST	09 days	18^h07^m46^s	−53°31'04"	07:41	09:28	11:14	35.7	Not observable	Ara
2026	Jan	28	12:00 PST	10 days	18^h07^m47^s	−53°31'06"	07:41	09:28	11:14	35.7	Not observable	Ara
2026	Jan	28	15:00 PST	10 days	18^h07^m48^s	−53°31'09"	07:41	09:28	11:14	35.7	Not observable	Ara
2026	Jan	28	18:00 PST	10 days	18^h07^m49^s	−53°31'11"	07:41	09:28	11:14	35.7	Not observable	Ara
2026	Jan	28	21:00 PST	10 days	18^h07^m50^s	−53°31'14"	07:41	09:28	11:14	35.7	Not observable	Ara
2026	Jan	29	00:00 PST	10 days	18^h07^m51^s	−53°31'16"	07:37	09:24	11:10	35.7	Not observable	Ara
2026	Jan	29	03:00 PST	10 days	18^h07^m52^s	−53°31'19"	07:37	09:24	11:10	35.7	Not observable	Ara
2026	Jan	29	06:00 PST	10 days	18^h07^m53^s	−53°31'22"	07:37	09:24	11:10	35.7	Not observable	Ara
2026	Jan	29	09:00 PST	10 days	18^h07^m54^s	−53°31'25"	07:37	09:24	11:10	35.7	Not observable	Ara
2026	Jan	29	12:00 PST	11 days	18^h07^m55^s	−53°31'27"	07:37	09:24	11:10	35.7	Not observable	Ara
2026	Jan	29	15:00 PST	11 days	18^h07^m56^s	−53°31'30"	07:37	09:24	11:10	35.7	Not observable	Ara
2026	Jan	29	18:00 PST	11 days	18^h07^m57^s	−53°31'32"	07:37	09:24	11:10	35.7	Not observable	Ara
2026	Jan	29	21:00 PST	11 days	18^h07^m58^s	−53°31'35"	07:37	09:24	11:10	35.7	Not observable	Ara
2026	Jan	30	00:00 PST	11 days	18^h07^m59^s	−53°31'38"	07:33	09:20	11:06	35.7	Not observable	Ara
2026	Jan	30	03:00 PST	11 days	18^h08^m00^s	−53°31'41"	07:33	09:20	11:06	35.7	Not observable	Ara
2026	Jan	30	06:00 PST	11 days	18^h08^m01^s	−53°31'43"	07:33	09:20	11:06	35.7	Not observable	Ara
2026	Jan	30	09:00 PST	11 days	18^h08^m02^s	−53°31'46"	07:33	09:20	11:06	35.7	Not observable	Ara
2026	Jan	30	12:00 PST	12 days	18^h08^m02^s	−53°31'49"	07:34	09:20	11:06	35.7	Not observable	Ara
2026	Jan	30	15:00 PST	12 days	18^h08^m03^s	−53°31'52"	07:34	09:20	11:06	35.7	Not observable	Ara
2026	Jan	30	18:00 PST	12 days	18^h08^m04^s	−53°31'54"	07:34	09:20	11:06	35.7	Not observable	Ara
2026	Jan	30	21:00 PST	12 days	18^h08^m05^s	−53°31'57"	07:34	09:20	11:06	35.7	Not observable	Ara
2026	Jan	31	00:00 PST	12 days	18^h08^m06^s	−53°32'00"	07:30	09:16	11:02	35.7	Not observable	Ara
All times computed for South El Monte (latitude 34.05; longitude -118.05) and expressed in South El Monte time. All positions are in J2000.0 coordinates. Ephemeris by Dominic Ford – https://in-the-sky.org/ephemeris.php

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