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
2009-03-13 22:47:36 C 07 40 26.04 +23 33 25.6 – w 232
2009-03-13 22:58:24 C 07 40 25.98 +23 33 25.4 – w 232
2009-03-14 20:44:51 C 07 40 20.91 +23 32 42.7 – w 939
2009-03-14 20:53:32 C 07 40 20.86 +23 32 42.3 – w 939
2009-03-14 21:02:20 C 07 40 20.76 +23 32 41.7 – w 213
2009-03-14 21:06:36 C 07 40 20.77 +23 32 41.8 – w 939
2009-03-14 21:07:31 C 07 40 20.73 +23 32 41.5 – w 213
2009-03-14 21:12:40 C 07 40 20.72 +23 32 41.5 – w 213
2009-03-14 22:11:22 C 07 40 20.48 +23 32 39.2 – v 204
2009-03-14 23:01:07 C 07 40 20.26 +23 32 37.5 – w J40
2009-03-14 23:08:40 C 07 40 20.25 +23 32 37.6 – w J40
2009-03-14 23:14:39 C 07 40 20.25 +23 32 38.0 – w J47
2009-03-14 23:19:48 C 07 40 20.21 +23 32 37.4 – w J47
2009-03-14 23:20:10 C 07 40 20.22 +23 32 37.6 – w J40
2009-03-14 23:31:52 C 07 40 20.20 +23 32 36.8 – w J47
2009-03-15 00:01:53 C 07 40 20.02 +23 32 35.5 – v 204
2009-03-15 19:40:37 C 07 40 16.03 +23 31 56.2 – c 442
2009-03-15 19:49:57 C 07 40 16.03 +23 31 56.0 – c 442
2009-03-15 21:36:31 C 07 40 15.59 +23 31 52.0 – w A02
2009-03-15 21:41:43 C 07 40 15.57 +23 31 51.7 – w A02
2009-03-15 21:43:36 C 07 40 15.59 +23 31 51.5 – w J40
2009-03-15 21:46:53 C 07 40 15.56 +23 31 51.7 – w A02
2009-03-15 21:49:22 C 07 40 15.54 +23 31 51.4 – w J40
2009-03-15 22:03:48 C 07 40 15.53 +23 31 50.5 – w J40
2009-03-16 19:12:08 C 07 40 11.75 +23 31 06.8 – c 442
2009-03-16 19:23:41 C 07 40 11.74 +23 31 06.8 – c 442
2009-03-16 21:31:02 C 07 40 11.33 +23 31 01.9 – w A02
2009-03-16 21:36:12 C 07 40 11.32 +23 31 01.6 – w A02
2009-03-16 21:36:45 C 07 40 11.32 +23 31 01.8 – w J53
2009-03-16 21:42:13 C 07 40 11.29 +23 31 01.5 – w J53
2009-03-16 21:51:45 C 07 40 11.26 +23 31 01.1 – w A02
2009-03-16 21:59:36 C 07 40 11.24 +23 31 00.9 – w J53
2009-03-16 22:20:12 C 07 40 11.22 +23 31 00.1 – w J38
2009-03-16 22:26:24 C 07 40 11.17 +23 31 00.0 – w J38
2009-03-16 22:29:30 C 07 40 11.17 +23 30 59.9 – w J38
2009-03-17 04:52:22 C 07 40 10.13 +23 30 46.0 – r H45
2009-03-17 04:57:12 C 07 40 10.11 +23 30 45.9 – r H45
2009-03-17 05:19:41 C 07 40 10.05 +23 30 45.2 – r H45
2009-03-17 05:24:56 C 07 40 10.03 +23 30 45.0 – r H45
2009-03-17 05:59:43 C 07 40 09.94 +23 30 43.8 – r H10
2009-03-17 06:06:02 C 07 40 09.92 +23 30 43.6 – r H10
2009-03-17 06:12:03 C 07 40 09.91 +23 30 43.5 – r H10
2009-03-17 19:27:24 C 07 40 08.05 +23 30 15.2 – d A77
2009-03-17 19:33:46 C 07 40 08.01 +23 30 16.6 – o B26
2009-03-17 21:31:16 C 07 40 07.79 +23 30 10.8 – w A18
2009-03-17 21:32:29 C 07 40 07.76 +23 30 10.8 – o A32
2009-03-17 21:42:44 C 07 40 07.69 +23 30 10.1 – w B82
2009-03-17 21:44:45 C 07 40 07.76 +23 30 11.4 – o A32
2009-03-17 21:47:52 C 07 40 07.67 +23 30 09.9 – w B82
2009-03-17 22:03:19 C 07 40 07.62 +23 30 08.3 – w B82