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
2004-09-26 19:58:31 C 00 13 22.76 +11 33 08.3 – c J97
2004-09-26 20:00:04 C 00 13 22.64 +11 33 08.4 – c J97
2004-09-26 20:01:35 C 00 13 22.75 +11 33 07.7 – c J97
2004-09-26 20:39:09 C 00 13 21.98 +11 33 04.3 – c 213
2004-09-26 20:40:20 C 00 13 21.97 +11 33 04.6 – c 213
2004-09-26 20:41:33 C 00 13 21.94 +11 33 04.2 – c 213
2004-09-27 20:38:31 C 00 12 54.33 +11 30 44.3 – c 213
2004-09-27 20:40:56 C 00 12 54.32 +11 30 43.5 – c 213
2004-09-27 20:50:26 C 00 12 54.10 +11 30 42.7 – c 213
2004-09-27 21:47:02 C 00 12 53.00 +11 30 37.0 – o 160
2004-09-27 21:47:54 C 00 12 52.96 +11 30 36.8 – o 160
2004-09-27 21:50:26 C 00 12 52.93 +11 30 36.9 – o 160
2004-09-27 21:52:59 C 00 12 52.80 +11 30 36.8 – o 160
2004-09-29 00:47:52 C 00 12 21.86 +11 27 55.0 – c 945
2004-09-29 00:56:01 C 00 12 21.73 +11 27 54.1 – c 945
2004-09-29 00:59:11 C 00 12 21.64 +11 27 53.5 – c 945
2004-09-29 01:01:51 C 00 12 21.61 +11 27 53.6 – c 945
2004-09-29 01:05:32 C 00 12 21.50 +11 27 53.2 – c 945
2004-09-29 20:21:36 C 00 11 59.52 +11 25 56.3 – r 213
2004-09-29 20:22:49 C 00 11 59.48 +11 25 56.3 – r 213
2004-09-29 20:25:11 C 00 11 59.46 +11 25 56.2 – r 213
2004-09-30 20:38:18 C 00 11 31.73 +11 23 27.6 – c J78
2004-09-30 20:39:38 C 00 11 31.69 +11 23 27.4 – c J78
2004-09-30 20:40:50 C 00 11 31.64 +11 23 27.3 – c J78
2004-09-30 21:26:52 C 00 11 30.84 +11 23 22.7 – c 213
2004-09-30 21:30:35 C 00 11 30.67 +11 23 22.7 – c 213
2004-09-30 21:31:47 C 00 11 30.63 +11 23 22.5 – c 213
2004-09-30 23:26:58 C 00 11 28.38 +11 23 10.1 – c 118
2004-09-30 23:36:15 C 00 11 28.21 +11 23 09.2 – c 118
2004-09-30 23:43:41 C 00 11 28.07 +11 23 08.5 – c 118
2004-10-01 21:08:09 C 00 11 03.83 +11 20 52.4 – r 445
2004-10-01 21:13:01 C 00 11 03.65 +11 20 55.3 – c 442
2004-10-01 21:13:39 C 00 11 03.60 +11 20 55.1 – c 442
2004-10-01 21:14:55 C 00 11 03.56 +11 20 55.8 – c 442
2004-10-01 21:16:51 C 00 11 03.54 +11 20 54.4 – c 442
2004-10-01 21:21:24 C 00 11 03.52 +11 20 51.5 – r 445
2004-10-01 21:32:23 C 00 11 03.25 +11 20 50.5 – r 445
2004-10-01 21:42:34 C 00 11 02.99 +11 20 50.0 – r 445
2004-10-01 22:35:22 C 00 11 02.05 +11 20 46.2 – r 213
2004-10-01 22:36:32 C 00 11 02.00 +11 20 45.5 – r 213
2004-10-01 22:38:59 C 00 11 01.93 +11 20 45.7 – r 213
2004-10-01 22:39:14 C 00 11 01.93 +11 20 46.5 – c J78
2004-10-01 22:39:51 C 00 11 01.97 +11 20 45.8 – c J78
2004-10-01 22:40:35 C 00 11 02.03 +11 20 44.4 – c J78
2004-10-01 22:46:37 C 00 11 01.78 +11 20 44.7 – o 084
2004-10-01 23:53:20 C 00 11 00.48 +11 20 37.6 – c 118
2004-10-01 23:58:24 C 00 11 00.36 +11 20 37.6 – c 118
2004-10-02 00:03:27 C 00 11 00.33 +11 20 36.5 – c 118
2004-10-02 00:08:29 C 00 11 00.20 +11 20 36.5 – c 118
2004-10-02 21:14:04 C 00 10 36.41 +11 18 23.9 – c 442