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
2008-01-18 22:19:56 C 05 55 33.07 +30 23 59.5 – c B56
2008-01-18 22:46:09 C 05 55 32.46 +30 23 57.2 – r B19
2008-01-18 22:48:24 C 05 55 32.43 +30 23 57.1 – r B19
2008-01-18 22:50:38 C 05 55 32.38 +30 23 56.9 – r B19
2008-01-18 22:57:30 C 05 55 32.26 +30 23 56.6 – r A06
2008-01-18 23:12:30 C 05 55 31.97 +30 23 55.7 – r A06
2008-01-19 14:28:32 C 05 55 15.60 +30 23 06.2 – m 349
2008-01-19 14:31:57 C 05 55 15.54 +30 23 05.9 – m 349
2008-01-19 14:35:25 C 05 55 15.49 +30 23 05.8 – m 349
2008-01-19 19:46:22 C 05 55 10.06 +30 22 48.7 – r A81
2008-01-19 19:49:09 C 05 55 10.01 +30 22 48.7 – r A81
2008-01-19 19:51:25 C 05 55 09.97 +30 22 48.5 – r A81
2008-01-19 19:53:57 C 05 55 09.92 +30 22 48.5 – r A81
2008-01-19 23:43:02 C 05 55 05.80 +30 22 36.0 – c J38
2008-01-19 23:46:52 C 05 55 05.73 +30 22 35.8 – c J38
2008-01-19 23:47:56 C 05 55 05.72 +30 22 35.7 – c J38
2008-01-20 22:55:37 C 05 54 41.59 +30 21 19.2 – c J38
2008-01-20 22:57:42 C 05 54 41.55 +30 21 19.0 – c J38
2008-01-21 06:20:07 C 05 54 33.91 +30 20 54.5 – r H45
2008-01-21 06:21:19 C 05 54 33.89 +30 20 54.4 – r H45
2008-01-21 06:23:49 C 05 54 33.84 +30 20 54.4 – r H45
2008-01-21 06:27:00 C 05 54 33.79 +30 20 54.1 – r H45
2008-01-21 06:29:25 C 05 54 33.75 +30 20 54.1 – r H45
2008-01-21 06:32:20 C 05 54 33.70 +30 20 53.8 – r H45
2008-01-21 06:34:11 C 05 54 33.67 +30 20 53.7 – r H45
2008-01-21 20:20:59 C 05 54 19.78 +30 20 07.5 – c B49
2008-01-21 20:25:29 C 05 54 19.71 +30 20 07.2 – c B49
2008-01-21 20:27:17 C 05 54 19.67 +30 20 07.3 – c B49
2008-01-21 21:38:40 C 05 54 18.41 +30 20 03.2 – c 213
2008-01-21 21:42:39 C 05 54 18.32 +30 20 02.8 – c 213
2008-01-21 21:46:09 C 05 54 18.32 +30 20 02.7 – c 213
2008-01-21 21:51:40 C 05 54 18.20 +30 20 02.6 – c J36
2008-01-21 21:54:17 C 05 54 18.16 +30 20 02.5 – c J36
2008-01-21 22:15:19 C 05 54 17.80 +30 20 01.0 – c J36
2008-01-21 23:20:42 C 05 54 16.61 +30 19 56.9 – c 945
2008-01-21 23:22:57 C 05 54 16.61 +30 19 57.7 – c 945
2008-01-21 23:27:17 C 05 54 16.43 +30 19 56.4 – c 945
2008-01-21 23:28:39 C 05 54 16.46 +30 19 56.8 – c 945
2008-01-21 23:34:31 C 05 54 16.40 +30 19 56.4 – c 945
2008-01-22 00:03:42 C 05 54 15.95 +30 19 54.8 – c J38
2008-01-22 00:04:45 C 05 54 15.93 +30 19 54.6 – c J38
2008-01-22 00:09:03 C 05 54 15.84 +30 19 54.5 – c J38
2008-01-22 19:00:16 C 05 53 57.06 +30 18 48.4 – r 619
2008-01-22 19:01:18 C 05 53 57.27 +30 18 48.8 – r 619
2008-01-22 19:02:20 C 05 53 57.14 +30 18 50.0 – r 619
2008-01-22 19:53:31 C 05 53 56.29 +30 18 47.7 – o J70
2008-01-22 19:54:29 C 05 53 56.28 +30 18 47.5 – o J70
2008-01-22 19:55:26 C 05 53 56.26 +30 18 47.6 – o J70
2008-01-22 19:56:24 C 05 53 56.25 +30 18 47.4 – o J70
2008-01-22 19:57:21 C 05 53 56.24 +30 18 47.3 – o J70