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
2026-06-27 23:14:39 C 11 08 10.718 -01 25 36.16 – V W68
2026-06-27 23:19:12 C 11 08 10.795 -01 25 36.98 – V W68
2026-06-27 23:27:00 C 11 08 10.961 -01 25 37.42 – V W68
2026-06-28 00:00:20 C 11 08 11.496 -01 25 40.69 – V W68
2026-06-28 20:49:31 C 11 08 31.56 -01 27 22.9 – Z L27
2026-06-28 21:05:48 C 11 08 31.86 -01 27 21.6 – Z L27
2026-06-29 06:09:36 C 11 08 40.918 -01 28 08.62 – V T08
2026-06-29 06:14:52 C 11 08 40.949 -01 28 09.62 – V T08
2026-06-29 06:22:45 C 11 08 41.088 -01 28 09.98 – V T08
2026-06-29 06:39:13 C 11 08 41.359 -01 28 11.03 – V T08
2026-06-29 17:05:27 C 11 08 51.722 -01 29 02.58 – V M22
2026-06-29 17:10:00 C 11 08 51.799 -01 29 02.47 – V M22
2026-06-29 17:19:45 C 11 08 51.965 -01 29 03.12 – V M22
2026-06-29 17:34:02 C 11 08 52.150 -01 29 04.78 – V M22
2026-06-30 21:06:05 C 11 09 19.750 -01 31 27.35 – X R59
2026-06-30 21:16:34 C 11 09 20.035 -01 31 28.21 – X R59
2026-06-30 21:27:04 C 11 09 20.125 -01 31 29.65 – X R59
2026-06-30 23:19:33 C 11 09 22.068 -01 31 36.73 – V W68
2026-06-30 23:24:05 C 11 09 22.147 -01 31 37.20 – V W68
2026-06-30 23:31:53 C 11 09 22.301 -01 31 37.85 – V W68
2026-06-30 23:46:48 C 11 09 22.522 -01 31 39.40 – V W68
2026-07-02 20:52:11 C 11 10 08.961 -01 35 40.50 – X R59
2026-07-02 21:00:03 C 11 10 09.115 -01 35 40.69 – X R59
2026-07-02 21:07:55 C 11 10 09.237 -01 35 41.65 – X R59
2026-07-03 03:46:23 B 11 10 16.210 -01 36 17.08 – Z V21
2026-07-03 04:05:40 B 11 10 16.551 -01 36 18.73 – Z V21
2026-07-03 04:24:37 B 11 10 16.891 -01 36 20.38 – Z V21
2026-07-03 07:39:06 B 11 10 20.21 -01 36 40.9 – Z E94
2026-07-03 08:04:30 B 11 10 20.52 -01 36 41.8 – Z E94
2026-07-03 08:21:04 B 11 10 21.16 -01 36 42.7 – Z E94
2026-07-04 20:47:17 C 11 10 59.70 -01 40 03.7 – Z L27
2026-07-04 20:53:55 C 11 10 59.971 -01 40 06.18 – X R59
2026-07-04 21:03:34 C 11 11 00.20 -01 40 07.5 – Z L27
2026-07-04 21:11:00 C 11 11 00.298 -01 40 07.44 – X R59
2026-07-04 21:28:10 C 11 11 00.636 -01 40 08.63 – X R59
2026-07-05 18:41:14 C 11 11 23.623 -01 42 08.96 – V M22
2026-07-05 18:46:28 C 11 11 23.705 -01 42 09.18 – V M22
2026-07-05 18:54:54 C 11 11 23.863 -01 42 10.15 – V M22
2026-07-05 19:20:47 C 11 11 24.204 -01 42 14.62 – V M22
2026-07-06 23:01:41 C 11 11 54.847 -01 44 54.74 – V W68
2026-07-06 23:06:14 C 11 11 54.917 -01 44 55.21 – V W68
2026-07-06 23:14:01 C 11 11 55.061 -01 44 56.08 – V W68
2026-07-06 23:32:19 C 11 11 55.409 -01 44 57.73 – V W68
2026-07-07 10:58:07 B 11 12 07.987 -01 46 05.52 – Z P14
2026-07-07 11:49:57 B 11 12 08.786 -01 46 12.47 – Z P14
2026-07-07 12:43:06 B 11 12 10.109 -01 46 15.60 – Z P14
2026-07-08 10:52:52 B 11 12 35.078 -01 48 31.97 – Z P14
2026-07-08 11:34:23 B 11 12 36.017 -01 48 34.16 – Z P14
2026-07-08 12:23:13 B 11 12 36.886 -01 48 38.70 – Z P14
2026-07-10 11:02:44 B 11 13 30.394 -01 53 27.92 – Z P14