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
2020-12-14 21:21:33 C 02 16 38.31 +25 03 03.3 – Z D04
2020-12-14 21:52:12 C 02 16 37.93 +25 03 00.2 – Z D04
2020-12-14 22:21:19 C 02 16 37.62 +25 02 57.3 – Z D04
2026-07-20 10:52:09 B 11 18 25.843 -02 21 03.74 – Z P14
2026-07-20 11:36:01 B 11 18 26.834 -02 21 08.89 – Z P14
2026-07-20 12:19:42 B 11 18 27.955 -02 21 14.62 – Z P14
2026-07-21 10:53:29 B 11 18 57.408 -02 24 06.41 – Z P14
2026-07-21 11:34:23 B 11 18 58.130 -02 24 08.89 – Z P14
2026-07-21 12:12:11 B 11 18 58.858 -02 24 14.33 – Z P14
2026-07-22 11:00:34 B 11 19 28.879 -02 27 06.84 – Z P14
2026-07-22 11:41:40 B 11 19 29.767 -02 27 12.13 – Z P14
2026-07-22 12:20:54 B 11 19 30.619 -02 27 17.06 – Z P14
2026-07-23 10:56:11 B 11 20 00.658 -02 30 11.16 – Z P14
2026-07-23 11:02:32 C 11 20 00.790 -02 30 12.02 – Z 323
2026-07-23 11:07:37 C 11 20 00.905 -02 30 12.71 – Z 323
2026-07-23 11:12:09 C 11 20 01.001 -02 30 13.25 – Z 323
2026-07-23 11:38:04 B 11 20 01.567 -02 30 16.60 – Z P14
2026-07-23 12:19:41 B 11 20 02.506 -02 30 22.07 – Z P14
2026-07-24 10:57:03 B 11 20 32.849 -02 33 18.65 – Z P14
2026-07-24 11:37:36 B 11 20 33.780 -02 33 23.58 – Z P14
2026-07-24 12:18:53 B 11 20 34.714 -02 33 28.91 – Z P14
2026-07-27 10:57:29 B 11 22 11.071 -02 42 54.22 – Z P14
2026-07-27 11:38:36 B 11 22 12.005 -02 43 00.12 – Z P14
2026-07-27 12:19:37 B 11 22 12.914 -02 43 06.31 – Z P14
2026-07-28 08:59:28 C 11 22 41.45 -02 45 56.1 – V Q62
2026-07-28 09:04:26 C 11 22 41.55 -02 45 56.7 – V Q62
2026-08-01 11:04:39 B 11 24 59.870 -02 59 43.51 – Z P14
2026-08-01 11:27:06 B 11 25 00.526 -02 59 45.02 – Z P14
2026-08-01 11:59:42 B 11 25 00.898 -02 59 49.24 – Z P14
2026-08-02 10:45:38 B 11 25 33.360 -03 03 07.42 – Z P14
2026-08-02 11:23:56 B 11 25 34.798 -03 03 16.52 – Z P14
2026-08-02 12:01:30 B 11 25 35.909 -03 03 18.61 – Z P14