Ephemeris for C/2021 P4 (ATLAS)

by Dominic Ford

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Interval

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

It is also available in CSV (i.e. spreadsheet) and plain text format for easy pasting into other programs.

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 C/2021 P4 (ATLAS)
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 C/2021 P4 (ATLAS)
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	Mar	15	00:00 PDT	25 days	22^h45^m55^s	−39°35'39"	08:16	12:04	15:52	27.3	Not observable	Grus
2026	Mar	15	03:00 PDT	25 days	22^h45^m58^s	−39°35'29"	08:16	12:04	15:52	27.3	Not observable	Grus
2026	Mar	15	06:00 PDT	26 days	22^h46^m01^s	−39°35'19"	08:16	12:04	15:52	27.3	Not observable	Grus
2026	Mar	15	09:00 PDT	26 days	22^h46^m03^s	−39°35'10"	08:16	12:04	15:53	27.3	Not observable	Grus
2026	Mar	15	12:00 PDT	26 days	22^h46^m06^s	−39°35'00"	08:16	12:04	15:53	27.3	Not observable	Grus
2026	Mar	15	15:00 PDT	26 days	22^h46^m09^s	−39°34'50"	08:16	12:04	15:53	27.3	Not observable	Grus
2026	Mar	15	18:00 PDT	26 days	22^h46^m12^s	−39°34'41"	08:16	12:04	15:53	27.3	Not observable	Grus
2026	Mar	15	21:00 PDT	26 days	22^h46^m14^s	−39°34'31"	08:16	12:04	15:53	27.3	Not observable	Grus
2026	Mar	16	00:00 PDT	26 days	22^h46^m17^s	−39°34'21"	08:12	12:00	15:49	27.3	Not observable	Grus
2026	Mar	16	03:00 PDT	26 days	22^h46^m20^s	−39°34'11"	08:12	12:01	15:49	27.3	Not observable	Grus
2026	Mar	16	06:00 PDT	27 days	22^h46^m23^s	−39°34'02"	08:12	12:01	15:49	27.3	Not observable	Grus
2026	Mar	16	09:00 PDT	27 days	22^h46^m25^s	−39°33'53"	08:12	12:01	15:49	27.3	Not observable	Grus
2026	Mar	16	12:00 PDT	27 days	22^h46^m28^s	−39°33'44"	08:12	12:01	15:49	27.3	Not observable	Grus
2026	Mar	16	15:00 PDT	27 days	22^h46^m31^s	−39°33'34"	08:12	12:01	15:49	27.3	Not observable	Grus
2026	Mar	16	18:00 PDT	27 days	22^h46^m33^s	−39°33'25"	08:12	12:01	15:49	27.3	Not observable	Grus
2026	Mar	16	21:00 PDT	27 days	22^h46^m36^s	−39°33'15"	08:12	12:01	15:49	27.3	Not observable	Grus
2026	Mar	17	00:00 PDT	27 days	22^h46^m39^s	−39°33'06"	08:08	11:57	15:45	27.3	Not observable	Grus
2026	Mar	17	03:00 PDT	27 days	22^h46^m42^s	−39°32'56"	08:08	11:57	15:46	27.3	Not observable	Grus
2026	Mar	17	06:00 PDT	28 days	22^h46^m44^s	−39°32'48"	08:08	11:57	15:46	27.3	Not observable	Grus
2026	Mar	17	09:00 PDT	28 days	22^h46^m47^s	−39°32'39"	08:08	11:57	15:46	27.3	Not observable	Grus
2026	Mar	17	12:00 PDT	28 days	22^h46^m50^s	−39°32'30"	08:08	11:57	15:46	27.3	Not observable	Grus
2026	Mar	17	15:00 PDT	28 days	22^h46^m52^s	−39°32'20"	08:08	11:57	15:46	27.3	Not observable	Grus
2026	Mar	17	18:00 PDT	28 days	22^h46^m55^s	−39°32'11"	08:09	11:57	15:46	27.3	Not observable	Grus
2026	Mar	17	21:00 PDT	28 days	22^h46^m58^s	−39°32'02"	08:09	11:57	15:46	27.3	Not observable	Grus
2026	Mar	18	00:00 PDT	28 days	22^h47^m01^s	−39°31'53"	08:05	11:53	15:42	27.3	Not observable	Grus
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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