Ephemeris for 21P/Giacobini-Zinner
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All times computed for South El Monte (latitude 34.05°; longitude -118.05°) and expressed in South El Monte time.
| Ephemeris for 21P/Giacobini-Zinner | ||||||||||||
| Date | Time | Age of Moon | Right Ascension | Declination | Rise | Culm | Set | Approx Mag. | Observable (hover mouse) | Constellation | ||
| Ephemeris for 21P/Giacobini-Zinner | ||||||||||||
| Date | Time | Age of Moon | Right Ascension | Declination | Rise | Culm | Set | Approx Mag. | Observable (hover mouse) | Constellation | ||
| 2025 | Nov | 29 | 16:00 PST | 09 days | 10h02m23s | −19°14'36" | 00:11 | 05:19 | 10:28 | 18.6 | 02:22 until 05:32 | Hydra |
| 2025 | Nov | 30 | 16:00 PST | 10 days | 10h02m33s | −19°22'20" | 00:08 | 05:16 | 10:24 | 18.6 | 02:19 until 05:33 | Hydra |
| 2025 | Dec | 01 | 16:00 PST | 11 days | 10h02m42s | −19°29'59" | 00:04 | 05:12 | 10:19 | 18.6 | 02:16 until 05:33 | Hydra |
| 2025 | Dec | 02 | 16:00 PST | 12 days | 10h02m50s | −19°37'31" | 00:01 | 05:08 | 10:15 | 18.6 | 02:13 until 05:34 | Hydra |
| 2025 | Dec | 03 | 16:00 PST | 13 days | 10h02m56s | −19°44'56" | 23:57 | 05:04 | 10:11 | 18.6 | 02:09 until 05:35 | Hydra |
| 2025 | Dec | 04 | 16:00 PST | 14 days | 10h03m01s | −19°52'14" | 23:54 | 05:00 | 10:07 | 18.6 | 02:06 until 05:36 | Hydra |
| 2025 | Dec | 05 | 16:00 PST | 15 days | 10h03m05s | −19°59'25" | 23:50 | 04:56 | 10:03 | 18.6 | 02:03 until 05:36 | Hydra |
| 2025 | Dec | 06 | 16:00 PST | 17 days | 10h03m07s | −20°06'29" | 23:47 | 04:53 | 09:58 | 18.6 | 02:00 until 05:37 | Hydra |
| 2025 | Dec | 07 | 16:00 PST | 18 days | 10h03m08s | −20°13'25" | 23:43 | 04:49 | 09:54 | 18.6 | 01:56 until 05:38 | Hydra |
| 2025 | Dec | 08 | 16:00 PST | 19 days | 10h03m08s | −20°20'14" | 23:40 | 04:45 | 09:50 | 18.7 | 01:53 until 05:39 | Hydra |
| 2025 | Dec | 09 | 16:00 PST | 20 days | 10h03m06s | −20°26'55" | 23:36 | 04:41 | 09:45 | 18.7 | 01:50 until 05:39 | Hydra |
| 2025 | Dec | 10 | 16:00 PST | 21 days | 10h03m03s | −20°33'27" | 23:32 | 04:37 | 09:41 | 18.7 | 01:46 until 05:40 | Hydra |
| 2025 | Dec | 11 | 16:00 PST | 22 days | 10h02m58s | −20°39'51" | 23:29 | 04:33 | 09:37 | 18.7 | 01:43 until 05:41 | Hydra |
| 2025 | Dec | 12 | 16:00 PST | 23 days | 10h02m52s | −20°46'06" | 23:25 | 04:29 | 09:32 | 18.7 | 01:40 until 05:41 | Hydra |
| 2025 | Dec | 13 | 16:00 PST | 24 days | 10h02m45s | −20°52'13" | 23:21 | 04:25 | 09:28 | 18.7 | 01:36 until 05:42 | Hydra |
| 2025 | Dec | 14 | 16:00 PST | 25 days | 10h02m36s | −20°58'10" | 23:18 | 04:21 | 09:24 | 18.7 | 01:33 until 05:43 | Hydra |
| 2025 | Dec | 15 | 16:00 PST | 25 days | 10h02m26s | −21°03'58" | 23:14 | 04:16 | 09:19 | 18.7 | 01:29 until 05:43 | Hydra |
| 2025 | Dec | 16 | 16:00 PST | 26 days | 10h02m14s | −21°09'36" | 23:10 | 04:12 | 09:15 | 18.7 | 01:25 until 05:44 | Hydra |
| 2025 | Dec | 17 | 16:00 PST | 27 days | 10h02m01s | −21°15'04" | 23:06 | 04:08 | 09:10 | 18.7 | 01:22 until 05:44 | Hydra |
| 2025 | Dec | 18 | 16:00 PST | 28 days | 10h01m46s | −21°20'22" | 23:02 | 04:04 | 09:06 | 18.8 | 01:18 until 05:45 | Hydra |
| 2025 | Dec | 19 | 16:00 PST | 29 days | 10h01m30s | −21°25'30" | 22:58 | 04:00 | 09:01 | 18.8 | 01:15 until 05:46 | Hydra |
| 2025 | Dec | 20 | 16:00 PST | 00 days | 10h01m13s | −21°30'26" | 22:54 | 03:56 | 08:57 | 18.8 | 01:11 until 05:46 | Hydra |
| 2025 | Dec | 21 | 16:00 PST | 01 days | 10h00m54s | −21°35'12" | 22:50 | 03:51 | 08:52 | 18.8 | 01:07 until 05:47 | Hydra |
| 2025 | Dec | 22 | 16:00 PST | 02 days | 10h00m34s | −21°39'47" | 22:46 | 03:47 | 08:48 | 18.8 | 01:03 until 05:47 | Hydra |
| 2025 | Dec | 23 | 16:00 PST | 03 days | 10h00m12s | −21°44'10" | 22:42 | 03:43 | 08:43 | 18.8 | 00:59 until 05:48 | Hydra |
|
All times computed for South El Monte (latitude 34.05; longitude -118.05) and expressed in South El Monte time. Ephemeris by Dominic Ford – https://in-the-sky.org/ephemeris.php | ||||||||||||
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