Ephemeris for 2I/Borisov

by Dominic Ford

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You are welcome to reproduce the data below for non-profit purposes , providing you credit In-The-Sky.org.

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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	Jun	20	00:00 PDT	05 days	18^h04^m06^s	−54°34'07"	23:35	01:02	02:28	36.0	Not observable	Ara
2026	Jun	20	03:00 PDT	05 days	18^h04^m05^s	−54°34'07"	23:35	01:02	02:28	36.0	Not observable	Ara
2026	Jun	20	06:00 PDT	05 days	18^h04^m04^s	−54°34'06"	23:35	01:02	02:28	36.0	Not observable	Ara
2026	Jun	20	09:00 PDT	05 days	18^h04^m03^s	−54°34'06"	23:35	01:02	02:28	36.0	Not observable	Ara
2026	Jun	20	12:00 PDT	05 days	18^h04^m02^s	−54°34'06"	23:35	01:02	02:28	36.0	Not observable	Ara
2026	Jun	20	15:00 PDT	05 days	18^h04^m01^s	−54°34'06"	23:35	01:02	02:28	36.0	Not observable	Ara
2026	Jun	20	18:00 PDT	05 days	18^h04^m00^s	−54°34'05"	23:35	01:01	02:28	36.0	Not observable	Ara
2026	Jun	20	21:00 PDT	06 days	18^h03^m59^s	−54°34'05"	23:35	01:01	02:28	36.0	Not observable	Ara
2026	Jun	21	00:00 PDT	06 days	18^h03^m58^s	−54°34'05"	23:31	00:58	02:24	36.0	Not observable	Ara
2026	Jun	21	03:00 PDT	06 days	18^h03^m57^s	−54°34'05"	23:31	00:58	02:24	36.0	Not observable	Ara
2026	Jun	21	06:00 PDT	06 days	18^h03^m56^s	−54°34'04"	23:31	00:57	02:24	36.0	Not observable	Ara
2026	Jun	21	09:00 PDT	06 days	18^h03^m55^s	−54°34'04"	23:31	00:57	02:24	36.0	Not observable	Ara
2026	Jun	21	12:00 PDT	06 days	18^h03^m54^s	−54°34'04"	23:31	00:57	02:24	36.0	Not observable	Ara
2026	Jun	21	15:00 PDT	06 days	18^h03^m53^s	−54°34'03"	23:31	00:57	02:24	36.0	Not observable	Ara
2026	Jun	21	18:00 PDT	06 days	18^h03^m52^s	−54°34'03"	23:31	00:57	02:24	36.0	Not observable	Ara
2026	Jun	21	21:00 PDT	07 days	18^h03^m51^s	−54°34'03"	23:31	00:57	02:24	36.0	Not observable	Ara
2026	Jun	22	00:00 PDT	07 days	18^h03^m50^s	−54°34'03"	23:27	00:53	02:20	36.0	Not observable	Ara
2026	Jun	22	03:00 PDT	07 days	18^h03^m49^s	−54°34'02"	23:27	00:53	02:20	36.0	Not observable	Ara
2026	Jun	22	06:00 PDT	07 days	18^h03^m48^s	−54°34'02"	23:27	00:53	02:20	36.0	Not observable	Ara
2026	Jun	22	09:00 PDT	07 days	18^h03^m47^s	−54°34'01"	23:27	00:53	02:20	36.0	Not observable	Ara
2026	Jun	22	12:00 PDT	07 days	18^h03^m46^s	−54°34'01"	23:27	00:53	02:20	36.0	Not observable	Ara
2026	Jun	22	15:00 PDT	07 days	18^h03^m45^s	−54°34'01"	23:27	00:53	02:20	36.0	Not observable	Ara
2026	Jun	22	18:00 PDT	07 days	18^h03^m44^s	−54°34'00"	23:27	00:53	02:20	36.0	Not observable	Ara
2026	Jun	22	21:00 PDT	08 days	18^h03^m43^s	−54°34'00"	23:27	00:53	02:20	36.0	Not observable	Ara
2026	Jun	23	00:00 PDT	08 days	18^h03^m41^s	−54°34'00"	23:23	00:49	02:16	36.0	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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