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
2008-03-16 01:27:22 C 05 50 20.32 +28 58 43.7 – o H47
2008-03-16 01:41:04 C 05 50 20.47 +28 58 42.6 – o H47
2008-03-16 19:33:01 C 05 50 32.68 +28 57 40.0 – r A06
2008-03-16 19:49:34 C 05 50 32.83 +28 57 39.1 – r A06
2008-03-16 19:59:19 C 05 50 32.98 +28 57 38.4 – d A77
2008-03-16 20:01:01 C 05 50 32.99 +28 57 38.4 – r A06
2008-03-16 20:07:46 C 05 50 33.07 +28 57 38.0 – d A77
2008-03-16 20:10:20 C 05 50 33.13 +28 57 38.0 – c B20
2008-03-16 20:19:08 C 05 50 33.21 +28 57 37.4 – d A77
2008-03-16 20:20:30 C 05 50 33.22 +28 57 36.9 – c B20
2008-03-16 20:37:30 C 05 50 33.48 +28 57 36.5 – c B20
2008-03-16 20:42:11 C 05 50 33.45 +28 57 35.7 – c 939
2008-03-16 20:48:53 C 05 50 33.53 +28 57 35.3 – c 939
2008-03-16 20:53:07 C 05 50 33.66 +28 57 36.0 – c J47
2008-03-16 20:55:38 C 05 50 33.61 +28 57 34.9 – c 939
2008-03-16 20:57:08 C 05 50 33.65 +28 57 35.4 – c 442
2008-03-16 20:58:20 C 05 50 33.74 +28 57 35.7 – c J47
2008-03-16 21:03:35 C 05 50 33.75 +28 57 34.9 – c J47
2008-03-16 21:08:48 C 05 50 33.80 +28 57 34.8 – c J47
2008-03-16 21:21:16 C 05 50 33.95 +28 57 33.3 – c 213
2008-03-16 21:23:50 C 05 50 34.00 +28 57 32.9 – c 213
2008-03-16 21:26:24 C 05 50 34.02 +28 57 32.7 – c 213
2008-03-17 22:26:23 C 05 50 51.72 +28 56 07.0 – c J76
2008-03-17 22:38:41 C 05 50 51.87 +28 56 06.1 – c J76
2008-03-17 22:51:09 C 05 50 52.01 +28 56 05.4 – c J76
2008-03-18 02:53:10 C 05 50 55.00 +28 55 51.9 – o 704
2008-03-18 03:08:23 C 05 50 55.15 +28 55 50.8 – o 704
2008-03-18 03:24:15 C 05 50 55.36 +28 55 50.5 – o 704
2008-03-18 03:39:30 C 05 50 55.53 +28 55 49.4 – o 704
2008-03-18 03:54:50 C 05 50 55.77 +28 55 48.8 – o 704
2008-03-18 21:24:16 C 05 51 09.22 +28 54 50.0 – c J79
2008-03-18 21:26:20 C 05 51 09.21 +28 54 49.9 – c J79
2008-03-18 22:55:56 C 05 51 09.84 +28 54 42.3 – c J76
2008-03-18 23:08:08 C 05 51 09.98 +28 54 41.6 – c J76
2008-03-18 23:26:26 C 05 51 10.19 +28 54 40.3 – c J76
2008-03-20 18:50:46 C 05 51 44.19 +28 52 13.7 – c 442
2008-03-20 18:50:51 C 05 51 44.14 +28 52 13.7 – c 442
2008-03-20 20:17:29 C 05 51 45.28 +28 52 07.9 – c J47
2008-03-20 20:47:43 C 05 51 45.68 +28 52 06.5 – c J47
2008-03-20 21:01:30 C 05 51 45.88 +28 52 05.2 – c 213
2008-03-20 21:05:28 C 05 51 45.90 +28 52 05.3 – c J47
2008-03-20 21:08:17 C 05 51 45.96 +28 52 04.4 – c 213
2008-03-20 21:21:52 C 05 51 46.10 +28 52 03.9 – c 213
2008-03-20 22:55:24 C 05 51 47.37 +28 51 57.4 – c J38
2008-03-20 22:59:32 C 05 51 47.46 +28 51 57.0 – c J38
2008-03-21 13:19:31 C 05 51 59.25 +28 51 10.8 – o 900
2008-03-21 13:26:06 C 05 51 59.04 +28 51 08.7 – o 900
2008-03-21 22:59:04 C 05 52 06.95 +28 50 33.7 – r J70
2008-03-21 23:01:57 C 05 52 07.39 +28 50 34.8 – r J70
2008-03-21 23:02:55 C 05 52 07.12 +28 50 35.2 – r J70