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
2001-06-19 23:54:42 C 19 06 34.61 -28 23 20.4 – – 504
2001-06-20 00:29:57 C 19 06 33.86 -28 23 21.5 – – 504
2001-06-20 14:26:02 C 19 06 16.93 -28 23 34.2 – – 320
2001-06-21 06:20:07 C 19 05 57.32 -28 23 47.9 – – 844
2001-06-21 06:35:32 C 19 05 57.03 -28 23 48.7 – – 844
2001-06-21 07:29:11 C 19 05 55.87 -28 23 49.0 – – 844
2001-06-24 01:42:29 C 19 04 33.47 -28 24 41.4 – – 941
2001-06-26 15:38:17 C 19 03 14.71 -28 25 20.3 – – 349
2001-06-26 15:41:47 C 19 03 14.49 -28 25 19.7 – – 349
2001-06-26 15:48:48 C 19 03 14.37 -28 25 19.5 – – 349
2001-07-14 04:21:18 C 18 54 05.06 -28 25 09.2 – – 921
2001-07-14 04:56:39 C 18 54 04.36 -28 25 09.1 – – 921
2001-07-14 05:32:38 C 18 54 03.55 -28 25 09.3 – – 921
2001-07-14 06:08:28 C 18 54 02.76 -28 25 08.9 – – 921
2001-07-15 05:44:07 C 18 53 32.28 -28 24 51.2 – – 844
2001-07-15 05:47:37 C 18 53 32.20 -28 24 51.2 – – 844
2001-07-15 05:51:40 C 18 53 32.14 -28 24 51.3 – – 844
2001-07-15 07:04:58 C 18 53 30.53 -28 24 50.5 – – 844
2001-07-22 08:17:43 C 18 50 00.60 -28 22 07.1 – – 474
2001-07-22 14:02:42 C 18 49 53.78 -28 22 01.3 – – 360
2001-07-22 14:06:52 C 18 49 53.68 -28 22 01.2 – – 360
2001-07-24 13:57:23 C 18 48 57.26 -28 20 58.6 – – 360
2001-07-24 14:00:57 C 18 48 57.17 -28 20 58.4 – – 360
2001-08-09 04:44:24 C 18 42 37.53 -28 09 08.2 – c 844
2001-08-09 05:56:30 C 18 42 36.47 -28 09 06.1 – c 844
2001-08-09 06:08:47 C 18 42 36.43 -28 09 04.6 – c 844
2001-08-13 20:11:38 C 18 41 10.69 -28 04 32.4 – o 493
2001-08-13 20:14:27 C 18 41 10.66 -28 04 32.1 – o 493
2001-08-13 20:16:58 C 18 41 10.62 -28 04 32.0 – o 493
2001-08-13 20:21:52 C 18 41 10.55 -28 04 31.8 – o 493
2001-08-13 20:30:10 C 18 41 10.45 -28 04 31.5 – o 493
2001-08-13 20:32:42 C 18 41 10.43 -28 04 31.2 – o 493
2001-08-13 20:35:19 C 18 41 10.39 -28 04 31.2 – o 493
2001-08-13 20:37:50 C 18 41 10.39 -28 04 31.1 – o 493
2001-08-13 20:40:38 C 18 41 10.32 -28 04 31.1 – o 493
2001-08-13 20:46:25 C 18 41 10.25 -28 04 30.7 – o 493
2001-08-13 20:49:03 C 18 41 10.22 -28 04 30.7 – o 493
2001-08-13 20:51:32 C 18 41 10.19 -28 04 30.5 – o 493
2001-08-13 20:54:05 C 18 41 10.16 -28 04 30.5 – o 493
2001-08-13 20:59:08 C 18 41 10.11 -28 04 30.1 – o 493
2001-08-13 21:04:16 C 18 41 10.04 -28 04 29.9 – o 493
2001-08-13 21:31:33 C 18 41 09.65 -28 04 29.3 – d 170
2001-08-13 21:35:53 C 18 41 09.63 -28 04 30.0 – d 170
2001-08-13 21:39:37 C 18 41 09.47 -28 04 29.8 – i 213
2001-08-13 21:51:07 C 18 41 09.36 -28 04 28.6 – i 213
2001-08-13 21:59:06 C 18 41 09.20 -28 04 28.6 – i 213
2001-08-13 22:04:59 C 18 41 09.17 -28 04 27.3 – i 213
2001-08-14 21:10:59 C 18 40 52.74 -28 03 27.5 – i 213
2001-08-14 21:14:48 C 18 40 52.98 -28 03 26.8 – i 213
2001-08-14 21:17:48 C 18 40 52.82 -28 03 27.3 – i 213