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
2017-08-11 14:56:37 C 21 22 52.63 -14 01 32.2 – q E94
2017-08-11 16:12:46 C 21 22 51.09 -14 01 36.7 – q E94
2017-08-11 16:31:42 C 21 22 50.78 -14 01 39.6 – q E94
2017-08-11 16:50:49 C 21 22 50.38 -14 01 39.7 – q E94
2017-08-11 17:09:55 C 21 22 50.09 -14 01 40.7 – q E94
2017-08-12 01:36:00 C 21 22 40.12 -14 02 09.7 – q W96
2017-08-12 02:55:12 C 21 22 38.51 -14 02 14.5 – q W96
2017-08-12 04:22:01 C 21 22 36.73 -14 02 19.3 – q W96
2017-08-12 11:51:09 C 21 22 27.78 -14 02 43.8 – q E94
2017-08-12 14:05:40 C 21 22 25.12 -14 02 51.4 – q E94
2017-08-12 14:24:34 C 21 22 24.72 -14 02 53.4 – q E94
2017-08-12 15:02:26 C 21 22 23.92 -14 02 56.2 – q E94
2017-08-12 15:21:27 C 21 22 23.57 -14 02 56.3 – q E94
2017-08-13 00:08:06 C 21 22 13.25 -14 03 27.2 – q Y00
2017-08-13 00:28:45 C 21 22 12.87 -14 03 28.5 – q Y00
2017-08-13 00:45:06 C 21 22 12.55 -14 03 29.5 – q Y00
2017-08-13 01:20:31 C 21 22 11.86 -14 03 31.2 – q W96
2017-08-13 02:39:59 C 21 22 10.24 -14 03 35.5 – q W96
2017-08-13 03:55:48 C 21 22 08.72 -14 03 39.5 – q W96
2017-08-13 11:20:45 C 21 21 59.81 -14 04 06.3 – L T05
2017-08-13 11:33:39 C 21 21 59.55 -14 04 07.0 – L T05
2017-08-13 11:46:34 C 21 21 59.29 -14 04 08.0 – L T05
2017-08-13 11:59:43 C 21 21 59.02 -14 04 08.5 – L T05
2017-08-13 22:02:56 C 21 21 47.15 -14 04 43.5 – q C10
2017-08-13 22:50:16 C 21 21 46.20 -14 04 46.3 – q C10
2017-08-13 23:18:16 C 21 21 45.66 -14 04 47.4 – q J22
2017-08-13 23:26:43 C 21 21 45.49 -14 04 47.8 – q J22
2017-08-13 23:29:30 C 21 21 45.42 -14 04 47.9 – q J22
2017-08-13 23:39:41 C 21 21 45.21 -14 04 48.9 – q C10
2017-08-14 01:49:55 C 21 21 42.70 -14 04 54.3 – q W96
2017-08-14 02:31:05 C 21 21 41.88 -14 04 56.8 – q W96
2017-08-14 04:16:42 C 21 21 39.72 -14 05 03.0 – q W96
2017-08-14 16:30:02 C 21 21 25.13 -14 05 43.7 – q Q59
2017-08-14 16:48:22 C 21 21 24.72 -14 05 44.8 – q Q59
2017-08-14 17:03:01 C 21 21 24.44 -14 05 45.6 – q Q59
2017-08-14 21:07:10 C 21 21 19.74 -14 06 02.0 – q C23
2017-08-14 21:13:24 C 21 21 19.61 -14 06 02.5 – q C23
2017-08-14 21:17:33 C 21 21 19.53 -14 06 02.4 – q C23
2017-08-14 21:44:32 C 21 21 19.01 -14 06 04.4 – q A77
2017-08-14 22:37:35 C 21 21 17.94 -14 06 07.5 – q A71
2017-08-14 22:50:07 C 21 21 17.67 -14 06 08.2 – q A71
2017-08-14 23:01:26 C 21 21 17.47 -14 06 09.2 – q A77
2017-08-15 00:04:52 C 21 21 16.25 -14 06 12.3 – q A77
2017-08-15 01:08:12 C 21 21 14.91 -14 06 15.8 – q A77
2017-08-15 02:23:21 C 21 21 13.38 -14 06 19.7 – q J22
2017-08-15 02:26:06 C 21 21 13.32 -14 06 19.3 – q A77
2017-08-15 02:29:02 C 21 21 13.27 -14 06 20.0 – q J22
2017-08-15 02:34:35 C 21 21 13.16 -14 06 20.3 – q J22
2017-08-15 06:58:30 C 21 21 08.11 -14 06 33.8 – q E94
2017-08-15 09:50:35 C 21 21 04.607 -14 06 44.78 – L F51