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
2017-08-17 00:54:14 C 21 20 18.39 -14 08 58.1 – q J22
2017-08-17 02:46:15 C 21 20 16.14 -14 09 04.6 – q A77
2017-08-17 11:02:25 C 21 20 06.42 -14 09 32.1 – L T05
2017-08-17 11:16:54 C 21 20 06.12 -14 09 33.0 – L T05
2017-08-17 11:30:35 C 21 20 05.86 -14 09 33.9 – L T05
2017-08-17 11:45:26 C 21 20 05.54 -14 09 34.5 – L T05
2017-08-17 21:26:46 C 21 19 54.25 -14 10 08.1 – q A77
2017-08-17 22:30:21 C 21 19 52.98 -14 10 11.4 – q A77
2017-08-17 23:33:54 C 21 19 51.70 -14 10 14.7 – q A77
2017-08-18 00:37:22 C 21 19 50.44 -14 10 18.2 – q A77
2017-08-18 02:40:11 C 21 19 47.94 -14 10 25.5 – q A77
2017-08-18 03:18:02 C 21 19 47.35 -14 10 25.6 – q W96
2017-08-18 03:49:28 C 21 19 46.71 -14 10 26.9 – q W96
2017-08-18 04:21:58 C 21 19 46.04 -14 10 28.9 – q W96
2017-08-18 06:25:56 C 21 19 43.62 -14 10 35.7 – q W87
2017-08-18 06:32:49 C 21 19 43.48 -14 10 36.1 – q W87
2017-08-18 06:41:24 C 21 19 43.31 -14 10 36.6 – q W87
2017-08-18 07:58:00 C 21 19 41.86 -14 10 40.6 – q E94
2017-08-18 10:36:40 C 21 19 38.70 -14 10 51.9 – L T08
2017-08-18 10:49:22 C 21 19 38.46 -14 10 52.4 – L T08
2017-08-18 11:02:04 C 21 19 38.20 -14 10 53.0 – L T08
2017-08-18 11:10:19 C 21 19 38.03 -14 10 53.6 – L T08
2017-08-18 13:03:00 C 21 19 35.74 -14 10 56.6 – q E94
2017-08-18 13:21:50 C 21 19 35.43 -14 10 58.4 – q E94
2017-08-18 13:40:54 C 21 19 35.04 -14 10 59.6 – q E94
2017-08-18 13:59:55 C 21 19 34.64 -14 11 00.4 – q E94
2017-08-18 14:18:47 C 21 19 34.27 -14 11 01.8 – q E94
2017-08-18 21:22:26 C 21 19 26.16 -14 11 27.7 – q C23
2017-08-18 21:29:59 C 21 19 25.96 -14 11 28.2 – q C23
2017-08-18 21:37:32 C 21 19 25.87 -14 11 28.4 – q C23
2017-08-18 23:58:43 C 21 19 23.05 -14 11 36.3 – Q J01
2017-08-19 00:03:55 C 21 19 22.98 -14 11 36.4 – Q J01
2017-08-19 00:14:37 C 21 19 22.83 -14 11 35.3 – q W96
2017-08-19 00:24:33 C 21 19 22.51 -14 11 38.0 – Q J01
2017-08-19 01:27:54 C 21 19 21.39 -14 11 39.5 – q W96
2017-08-19 02:11:47 C 21 19 20.39 -14 11 43.1 – q J22
2017-08-19 02:20:26 C 21 19 20.21 -14 11 43.8 – q J22
2017-08-19 02:23:15 C 21 19 20.18 -14 11 44.2 – q J22
2017-08-19 03:58:31 C 21 19 18.39 -14 11 47.9 – q W96
2017-08-19 23:54:24 C 21 18 55.23 -14 12 54.2 – q W96
2017-08-20 01:06:53 C 21 18 53.82 -14 12 58.1 – q W96
2017-08-20 02:18:43 C 21 18 52.37 -14 13 02.3 – q W96
2017-08-20 03:36:00 C 21 18 50.86 -14 13 06.9 – q W96
2017-08-20 03:53:52 C 21 18 50.43 -14 13 08.7 – q J22
2017-08-20 04:02:13 C 21 18 50.23 -14 13 10.3 – q J22
2017-08-20 22:11:01 C 21 18 29.30 -14 14 10.6 – q A77
2017-08-20 22:40:35 C 21 18 28.68 -14 14 11.5 – U 107
2017-08-20 22:51:16 C 21 18 28.52 -14 14 11.9 – q K97
2017-08-20 22:53:57 C 21 18 28.44 -14 14 12.7 – q A77
2017-08-20 22:59:13 C 21 18 28.32 -14 14 12.6 – U 107