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
2001-08-14 21:20:50 C 18 40 52.96 -28 03 26.4 – i 213
2001-08-14 21:23:50 C 18 40 52.85 -28 03 26.5 – i 213
2001-08-17 21:48:02 C 18 40 06.02 -28 00 09.7 – i 213
2001-08-17 21:58:20 C 18 40 05.89 -28 00 09.7 – i 213
2001-08-17 22:03:31 C 18 40 05.86 -28 00 08.7 – i 213
2001-08-20 05:39:04 C 18 39 33.96 -27 57 35.2 – i 921
2001-08-22 11:10:33 C 18 39 07.24 -27 54 54.6 – – 340
2001-08-22 11:20:17 C 18 39 07.12 -27 54 54.1 – – 340
2001-08-23 19:37:59 C 18 38 52.73 -27 53 22.8 – – 235
2001-09-08 19:27:51 C 18 37 42.50 -27 32 17.3 – d 170
2001-09-08 19:42:14 C 18 37 42.53 -27 32 16.6 – d 170
2001-10-13 23:30:32 C 18 46 01.88 -26 38 34.3 – – 844
2001-10-13 23:56:54 C 18 46 02.35 -26 38 32.6 – – 844
2001-10-14 00:31:14 C 18 46 02.99 -26 38 30.3 – – 844
2002-03-27 19:17:36 C 20 49 49.94 -19 32 41.8 – – 897
2002-03-27 19:40:03 C 20 49 50.41 -19 32 38.1 – – 897
2002-03-27 19:42:23 C 20 49 50.57 -19 32 38.5 – – 897
2002-04-05 18:51:40 C 20 54 59.21 -19 08 15.4 – – 349
2002-04-05 18:54:29 C 20 54 59.26 -19 08 14.8 – – 349
2002-05-15 14:13:43 C 21 09 28.90 -17 49 09.2 – o 608
2002-05-15 14:29:29 C 21 09 29.00 -17 49 07.8 – o 608
2002-05-19 02:50:57 C 21 10 00.11 -17 45 04.5 – d 170
2002-05-20 18:37:52 C 21 10 11.95 -17 43 20.8 – – 360
2002-05-20 18:42:22 C 21 10 11.97 -17 43 20.9 – – 360
2002-05-21 17:37:01 C 21 10 18.04 -17 42 24.8 – – 349
2002-05-21 17:39:44 C 21 10 18.01 -17 42 24.4 – – 349
2002-05-21 17:41:34 C 21 10 18.00 -17 42 24.0 – – 349
2002-05-21 17:43:25 C 21 10 18.05 -17 42 24.5 – – 349
2002-06-09 17:54:56 C 21 10 10.17 -17 32 00.8 – – 360
2002-06-09 18:09:21 C 21 10 10.09 -17 32 00.7 – – 360
2002-06-12 00:01:07 C 21 09 53.14 -17 31 49.4 – d 170
2002-06-12 00:08:30 C 21 09 53.18 -17 31 50.2 – d 170
2002-06-12 00:31:11 C 21 09 53.11 -17 31 50.1 – c 213
2002-06-12 01:17:41 C 21 09 52.76 -17 31 49.9 – c 213
2002-06-12 02:00:21 C 21 09 52.48 -17 31 50.2 – c 213
2002-06-15 00:50:29 C 21 09 24.90 -17 31 57.3 – c 118
2002-06-15 00:52:44 C 21 09 24.90 -17 31 56.9 – c 118
2002-06-15 02:44:25 C 21 09 24.16 -17 31 56.9 – – 232
2002-06-15 06:24:32 C 21 09 22.51 -17 31 56.3 – c 844
2002-06-15 07:04:09 C 21 09 22.15 -17 31 56.0 – c 844
2002-06-15 09:23:28 C 21 09 21.13 -17 31 57.5 – c 844
2002-06-15 18:24:02 C 21 09 17.09 -17 32 02.5 – – 340
2002-06-15 18:26:26 C 21 09 17.10 -17 32 02.1 – – 340
2002-06-15 18:29:22 C 21 09 17.07 -17 32 01.4 – – 340
2002-06-16 00:30:31 C 21 09 14.59 -17 32 04.1 – c 213
2002-06-16 00:38:08 C 21 09 14.46 -17 32 03.7 – c 213
2002-06-16 02:41:09 C 21 09 13.55 -17 32 05.0 – d 170
2002-06-16 08:47:52 C 21 09 10.76 -17 32 07.1 – i 921
2002-06-16 09:15:41 C 21 09 10.53 -17 32 06.9 – i 921
2002-06-17 02:38:04 C 21 09 02.22 -17 32 14.7 – d 170