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
2026-06-07 21:45:18 C 11 01 56.32 -00 57 48.8 – Z L27
2026-06-07 22:02:06 C 11 01 56.479 -00 57 50.04 – V R17
2026-06-07 22:22:30 C 11 01 56.676 -00 57 50.40 – V R17
2026-06-07 22:25:59 B 11 01 56.70 -00 57 49.9 – V Y87
2026-06-07 22:52:38 B 11 01 56.95 -00 57 51.7 – V Y87
2026-06-07 23:26:54 B 11 01 57.27 -00 57 52.2 – V Y87
2026-06-08 21:07:01 C 11 02 10.066 -00 58 38.03 – Z J47
2026-06-08 21:16:29 C 11 02 10.133 -00 58 38.53 – Z J47
2026-06-08 21:25:04 C 11 02 10.210 -00 58 39.76 – V R17
2026-06-08 21:25:24 C 11 02 10.210 -00 58 38.57 – Z J47
2026-06-08 21:25:40 C 11 02 10.224 -00 58 39.65 – V R17
2026-06-08 21:45:26 C 11 02 10.394 -00 58 38.39 – V R17
2026-06-08 21:46:03 C 11 02 10.394 -00 58 38.06 – V R17
2026-06-08 22:05:49 C 11 02 10.598 -00 58 38.46 – V R17
2026-06-08 22:06:25 C 11 02 10.610 -00 58 38.42 – V R17
2026-06-08 22:26:48 C 11 02 10.798 -00 58 38.50 – V R17
2026-05-01 21:20:34 B 10 59 44.05 -01 06 10.9 – X M18
2026-05-01 21:50:09 B 10 59 43.89 -01 06 09.2 – X M18
2026-05-09 22:02:10 B 10 59 05.45 -00 57 53.0 – X M18
2026-05-09 22:22:47 B 10 59 05.40 -00 57 52.4 – X M18
2026-05-16 12:43:44 C 10 59 02.12 -00 53 37.9 – q D95
2026-05-16 12:49:54 C 10 59 02.18 -00 53 37.5 – q D95
2026-06-03 11:04:29 C 11 01 00.024 -00 54 40.03 – Z 323
2026-06-03 11:10:07 C 11 01 00.077 -00 54 40.72 – Z 323
2026-06-03 11:15:45 C 11 01 00.115 -00 54 40.93 – Z 323
2026-06-06 10:49:58 C 11 01 36.773 -00 56 40.02 – Z 323
2026-06-06 10:55:36 C 11 01 36.833 -00 56 40.24 – Z 323
2026-06-06 11:01:12 C 11 01 36.874 -00 56 40.24 – Z 323
2026-06-07 06:25:45 B 11 01 47.62 -00 57 17.3 – Z E94
2026-06-07 06:33:56 B 11 01 47.70 -00 57 17.5 – Z E94
2026-06-07 06:41:43 B 11 01 47.84 -00 57 17.7 – Z E94
2026-06-08 06:55:32 B 11 02 01.67 -00 58 07.3 – Z E94
2026-06-08 07:02:10 B 11 02 01.71 -00 58 07.4 – Z E94
2026-06-08 07:08:18 B 11 02 01.76 -00 58 07.6 – Z E94
2026-06-09 18:44:44 C 11 02 23.18 -00 59 29.9 – X C40
2026-06-09 18:53:32 C 11 02 23.29 -00 59 29.2 – X C40
2026-06-09 19:02:03 C 11 02 23.22 -00 59 30.9 – X C40
2026-06-09 20:48:01 C 11 02 24.43 -00 59 32.3 – Z L27
2026-06-09 21:03:07 C 11 02 24.61 -00 59 33.4 – Z L27
2026-06-09 21:18:14 C 11 02 24.74 -00 59 34.0 – Z L27
2026-06-09 21:51:49 B 11 02 25.049 -00 59 36.36 – W Z10
2026-06-09 22:02:23 B 11 02 25.166 -00 59 36.58 – W Z10
2026-06-09 22:12:59 B 11 02 25.262 -00 59 36.51 – W Z10
2026-06-10 20:53:08 C 11 02 39.542 -01 00 31.28 – Z J47
2026-06-10 21:03:37 C 11 02 39.665 -01 00 30.89 – Z J47
2026-06-10 21:16:31 C 11 02 39.869 -01 00 31.21 – Z J47
2026-06-12 21:07:27 C 11 03 11.668 -01 02 44.23 – X R59
2026-06-12 21:11:02 C 11 03 11.670 -01 02 44.16 – X R59
2026-06-12 21:14:06 C 11 03 11.669 -01 02 44.24 – X R59
2026-06-13 21:21:35 C 11 03 28.075 -01 03 48.28 – V R17