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Ephemeris for 21P/Giacobini-Zinner

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 21P/Giacobini-Zinner
DateTimeAge of
Moon		Right
Ascension		DeclinationRiseCulmSetApprox
Mag.		Observable
(hover mouse)		Constellation
Ephemeris for 21P/Giacobini-Zinner
DateTimeAge of
Moon		Right
Ascension		DeclinationRiseCulmSetApprox
Mag.		Observable
(hover mouse)		Constellation
2026May3000:00 PDT13 days09h14m57s−05°17'53"11:4417:3323:2121.521:06 until 21:28Hydra
2026May3003:00 PDT13 days09h15m02s−05°17'31"11:4417:3323:2121.521:06 until 21:28Hydra
2026May3006:00 PDT13 days09h15m08s−05°17'10"11:4417:3323:2121.521:06 until 21:28Hydra
2026May3009:00 PDT13 days09h15m13s−05°16'48"11:4417:3323:2121.521:06 until 21:28Hydra
2026May3012:00 PDT13 days09h15m18s−05°16'27"11:4417:3323:2121.521:06 until 21:28Hydra
2026May3015:00 PDT14 days09h15m23s−05°16'06"11:4417:3323:2121.521:06 until 21:29Hydra
2026May3018:00 PDT14 days09h15m28s−05°15'44"11:4517:3323:2221.521:06 until 21:29Hydra
2026May3021:00 PDT14 days09h15m33s−05°15'23"11:4517:3323:2221.521:06 until 21:29Hydra
2026May3100:00 PDT14 days09h15m38s−05°15'02"11:4117:2923:1821.521:07 until 21:25Hydra
2026May3103:00 PDT14 days09h15m43s−05°14'41"11:4117:2923:1821.521:07 until 21:25Hydra
2026May3106:00 PDT14 days09h15m48s−05°14'20"11:4117:2923:1821.521:07 until 21:25Hydra
2026May3109:00 PDT14 days09h15m54s−05°13'59"11:4117:3023:1821.521:07 until 21:25Hydra
2026May3112:00 PDT14 days09h15m59s−05°13'39"11:4117:3023:1821.521:07 until 21:25Hydra
2026May3115:00 PDT15 days09h16m04s−05°13'19"11:4117:3023:1821.521:07 until 21:26Hydra
2026May3118:00 PDT15 days09h16m09s−05°12'58"11:4117:3023:1821.521:07 until 21:26Hydra
2026May3121:00 PDT15 days09h16m14s−05°12'38"11:4117:3023:1921.521:07 until 21:26Hydra
2026Jun0100:00 PDT15 days09h16m19s−05°12'17"11:3717:2623:1521.521:08 until 21:22Hydra
2026Jun0103:00 PDT15 days09h16m25s−05°11'57"11:3717:2623:1521.521:08 until 21:22Hydra
2026Jun0106:00 PDT15 days09h16m30s−05°11'37"11:3817:2623:1521.521:08 until 21:22Hydra
2026Jun0109:00 PDT15 days09h16m35s−05°11'17"11:3817:2623:1521.521:08 until 21:22Hydra
2026Jun0112:00 PDT15 days09h16m40s−05°10'58"11:3817:2623:1521.521:08 until 21:22Hydra
2026Jun0115:00 PDT16 days09h16m46s−05°10'38"11:3817:2623:1521.521:08 until 21:22Hydra
2026Jun0118:00 PDT16 days09h16m51s−05°10'19"11:3817:2723:1521.521:08 until 21:23Hydra
2026Jun0121:00 PDT16 days09h16m56s−05°09'59"11:3817:2723:1521.521:08 until 21:23Hydra
2026Jun0200:00 PDT16 days09h17m01s−05°09'40"11:3417:2323:1221.521:09 until 21:19Hydra
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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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

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