Schwassmann-Wachmann 1 (29P)

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2022-10-14 (JD 2459866.5)
Eccentricity (e)0.0447981445 ± 1.85e-08
Semi-major axis (a)6.0459765546 AU ± 9.49e-08
Inclination (i)9.36477141° ± 9.63e-07
Long. of Asc. Node (Ω)312.39091655° ± 3.07e-06
Arg. of Perihelion (ω)50.66270007° ± 2.70e-05
Mean Anomaly (M)84.63508074° ± 2.85e-05
Mean Motion (n)0.0662986043°/day ± 1.56e-09
Perihelion dist (q)5.77512802 AU ± 1.44e-07
Aphelion dist (Q)6.31682509 AU ± 1.49e-07
Orbital Period14.86647108 yr ± 3.50e-07
Orbit Solution
SourceJPL
Solution Date2025-04-14 15:28:00
RMS Residual0.369″
Uncertainty0
Orbit TypeJupiter-family Comet
MOID4.780000 AU
Observations Used739
Oppositions—
Arc Total2009-2025
First Observation Used—
Last Observation Used2025-02-05
Observations (52882)
Date Type RA Dec Mag Band Observatory
2008-12-21 02:33:04 C 08 13 56.55 +23 09 58.3 – w B20
2008-12-21 02:36:11 C 08 13 56.51 +23 09 57.7 – w B20
2008-12-21 02:37:45 C 08 13 56.46 +23 09 58.2 – w 232
2008-12-21 02:47:25 C 08 13 56.28 +23 09 58.7 – w 945
2008-12-21 02:48:35 C 08 13 56.28 +23 09 58.5 – w 232
2008-12-21 03:48:14 C 08 13 55.27 +23 10 00.4 – w J52
2008-12-21 03:53:20 C 08 13 55.24 +23 10 00.7 – w J52
2008-12-21 03:58:20 C 08 13 55.13 +23 10 00.8 – w J52
2008-12-21 05:23:42 C 08 13 53.77 +23 10 05.7 – o 844
2008-12-21 05:26:19 C 08 13 53.75 +23 10 05.8 – o 844
2008-12-21 05:35:36 C 08 13 53.58 +23 10 06.2 – o 844
2008-12-21 05:39:32 C 08 13 53.51 +23 10 06.3 – o 844
2008-12-21 06:01:59 C 08 13 53.13 +23 10 07.1 – o 844
2008-12-21 06:02:59 C 08 13 53.07 +23 10 04.8 – w J38
2008-12-21 06:06:06 C 08 13 53.02 +23 10 05.0 – w J38
2008-12-21 06:09:12 C 08 13 52.98 +23 10 05.0 – w J38
2008-12-21 20:20:22 C 08 13 39.19 +23 10 33.0 – c 442
2008-12-21 20:23:01 C 08 13 39.13 +23 10 33.8 – c 442
2008-12-21 20:25:42 C 08 13 39.12 +23 10 34.2 – c 442
2008-12-21 20:34:38 C 08 13 38.96 +23 10 33.7 – c 442
2008-12-21 20:39:04 C 08 13 38.85 +23 10 34.0 – r 235
2008-12-21 21:02:26 C 08 13 38.47 +23 10 35.1 – w A06
2008-12-21 21:08:51 C 08 13 38.37 +23 10 35.2 – w A06
2008-12-21 21:12:31 C 08 13 38.31 +23 10 35.4 – w J28
2008-12-21 21:25:51 C 08 13 38.09 +23 10 35.5 – w J28
2008-12-21 21:27:58 C 08 13 38.06 +23 10 35.6 – w 939
2008-12-21 21:38:26 C 08 13 37.91 +23 10 36.2 – w J38
2008-12-21 21:38:41 C 08 13 37.88 +23 10 36.0 – w J28
2008-12-21 21:38:44 C 08 13 37.88 +23 10 36.0 – w 939
2008-12-21 21:40:00 C 08 13 37.87 +23 10 36.3 – w J38
2008-12-21 21:42:51 C 08 13 37.83 +23 10 36.0 – w 213
2008-12-21 21:44:44 C 08 13 37.79 +23 10 36.5 – w J38
2008-12-21 21:48:14 C 08 13 37.75 +23 10 36.6 – w 213
2008-12-21 21:49:26 C 08 13 37.70 +23 10 36.4 – w 939
2008-12-21 21:51:10 C 08 13 37.75 +23 10 37.5 – w J46
2008-12-21 21:53:36 C 08 13 37.65 +23 10 36.9 – w 213
2008-12-21 21:57:50 C 08 13 37.68 +23 10 38.6 – w J46
2008-12-21 22:04:30 C 08 13 37.54 +23 10 38.3 – w J46
2008-12-21 22:12:36 C 08 13 37.31 +23 10 37.6 – c B20
2008-12-21 22:16:31 C 08 13 37.25 +23 10 37.3 – r B49
2008-12-21 22:17:54 C 08 13 37.23 +23 10 37.9 – c B20
2008-12-21 22:23:12 C 08 13 37.13 +23 10 37.9 – c B20
2008-12-21 22:24:48 C 08 13 37.11 +23 10 37.6 – r B49
2008-12-21 22:37:56 C 08 13 36.89 +23 10 38.1 – r B49
2008-12-21 23:00:04 C 08 13 36.52 +23 10 39.6 – o J70
2008-12-21 23:01:57 C 08 13 36.49 +23 10 39.7 – o J70
2008-12-21 23:05:11 C 08 13 36.43 +23 10 39.2 – w J53
2008-12-21 23:07:15 C 08 13 36.40 +23 10 39.8 – o J70
2008-12-21 23:08:17 C 08 13 36.38 +23 10 39.7 – o J70
2008-12-21 23:11:22 C 08 13 36.33 +23 10 40.0 – o J70