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
2012-03-24 23:20:11 C 12 23 51.91 -12 47 26.5 – w 213
2012-03-24 23:25:04 C 12 23 51.78 -12 47 26.9 – u 958
2012-03-24 23:43:03 C 12 23 51.42 -12 47 24.1 – u 958
2012-03-25 08:09:51 C 12 23 42.06 -12 46 38.2 – t H47
2012-03-25 08:18:20 C 12 23 41.80 -12 46 35.7 – t H47
2012-03-25 09:00:41 C 12 23 41.08 -12 46 33.7 – u H45
2012-03-25 09:03:18 C 12 23 41.06 -12 46 33.4 – u H45
2012-03-25 09:06:40 C 12 23 41.00 -12 46 33.2 – u H45
2012-03-25 09:08:35 C 12 23 40.96 -12 46 32.8 – u H45
2012-03-25 09:12:20 C 12 23 40.85 -12 46 32.5 – u H45
2012-03-25 09:14:16 C 12 23 40.81 -12 46 32.4 – u H45
2012-03-25 12:18:41 C 12 23 37.55 -12 46 16.0 – u D95
2012-03-25 12:20:45 C 12 23 37.53 -12 46 15.6 – u D95
2012-03-25 12:24:50 C 12 23 37.49 -12 46 15.3 – u D95
2012-03-25 22:37:49 C 12 23 26.07 -12 45 19.0 – u C23
2012-03-25 22:48:12 C 12 23 25.86 -12 45 17.5 – u C23
2012-03-25 22:58:35 C 12 23 25.73 -12 45 17.1 – u C23
2012-03-25 23:21:21 C 12 23 25.36 -12 45 14.9 – u 958
2012-03-25 23:39:41 C 12 23 25.00 -12 45 13.0 – u 958
2012-03-25 23:58:12 C 12 23 24.63 -12 45 11.3 – u 958
2012-03-26 04:02:45 C 12 23 20.13 -12 44 46.9 – o I47
2012-03-26 04:10:58 C 12 23 19.95 -12 44 46.1 – o I47
2012-03-26 04:19:11 C 12 23 19.83 -12 44 45.3 – o I47
2012-03-26 06:38:17 C 12 23 17.24 -12 44 34.1 – t H47
2012-03-26 06:59:19 C 12 23 16.85 -12 44 32.3 – t H47
2012-03-26 07:06:41 C 12 23 16.71 -12 44 31.6 – t H47
2012-03-26 20:50:45 C 12 23 01.560 -12 43 14.67 – u 089
2012-03-26 20:51:56 C 12 23 01.517 -12 43 14.84 – u 089
2012-03-26 20:53:34 C 12 23 01.495 -12 43 15.20 – u 089
2012-03-26 20:54:44 C 12 23 01.450 -12 43 13.68 – u 089
2012-03-26 20:57:32 C 12 23 01.422 -12 43 14.59 – u 089
2012-03-26 21:47:44 C 12 23 00.57 -12 43 08.9 – c B56
2012-03-26 21:55:49 C 12 23 00.41 -12 43 08.1 – c B56
2012-03-26 22:03:55 C 12 23 00.28 -12 43 07.2 – c B56
2012-03-26 22:05:27 C 12 23 00.169 -12 43 07.60 – u 089
2012-03-26 22:06:38 C 12 23 00.105 -12 43 08.06 – u 089
2012-03-26 22:09:15 C 12 23 00.087 -12 43 07.50 – u 089
2012-03-26 22:10:26 C 12 23 00.072 -12 43 07.43 – u 089
2012-03-26 22:28:14 C 12 22 59.81 -12 43 05.4 – u 958
2012-03-26 22:46:30 C 12 22 59.48 -12 43 03.7 – u 958
2012-03-26 22:46:58 C 12 22 59.348 -12 43 04.06 – u 089
2012-03-26 22:48:09 C 12 22 59.319 -12 43 03.57 – u 089
2012-03-26 23:02:31 C 12 22 59.14 -12 43 02.2 – c J38
2012-03-26 23:04:23 C 12 22 59.14 -12 43 02.1 – u 958
2012-03-26 23:10:47 C 12 22 59.02 -12 43 01.4 – c J38
2012-03-26 23:20:02 C 12 22 58.88 -12 43 00.5 – c J38
2012-03-27 00:30:47 C 12 22 57.48 -12 42 53.6 – w 945
2012-03-27 00:39:16 C 12 22 57.29 -12 42 53.8 – u 585
2012-03-27 00:39:55 C 12 22 57.27 -12 42 52.7 – w 945
2012-03-27 00:41:17 C 12 22 57.28 -12 42 53.6 – u 585