398P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2020-11-12 (JD 2459165.5)
Eccentricity (e)0.5825607645 ± 5.09e-07
Semi-major axis (a)3.1278926234 AU ± 4.95e-06
Inclination (i)11.01521221° ± 6.62e-06
Long. of Asc. Node (Ω)127.46446093° ± 3.80e-05
Arg. of Perihelion (ω)320.23114033° ± 7.64e-05
Mean Anomaly (M)352.02842712° ± 2.77e-05
Mean Motion (n)0.1781666114°/day ± 4.23e-07
Perihelion dist (q)1.30570511 AU ± 2.61e-06
Aphelion dist (Q)4.95008014 AU ± 8.00e-06
Orbital Period5.53204821 yr ± 1.31e-05
Orbit Solution
SourceJPL
Solution Date2025-09-10 22:25:49
RMS Residual0.605″
Uncertainty2
Orbit TypeJupiter-family Comet
MOID0.345999 AU
Observations Used1644
Oppositions
Arc Total2014-2025
First Observation Used
Last Observation Used2025-08-17
Observations (2560)
Date Type RA Dec Mag Band Observatory
2009-09-24 18:19:02 C 05 57 19.89 +07 49 11.0 m 349
2009-09-26 10:53:26 C 06 02 48.06 +07 43 26.4 o H06
2009-09-26 10:56:06 C 06 02 48.40 +07 43 26.2 o H06
2009-09-26 10:58:47 C 06 02 48.71 +07 43 25.5 o H06
2009-09-27 01:59:27 C 06 04 50.53 +07 41 09.9 r A71
2009-09-27 02:05:35 C 06 04 51.33 +07 41 09.1 r A71
2009-09-27 02:11:44 C 06 04 52.20 +07 41 08.3 r A71
2009-09-29 01:02:48 C 06 11 13.35 +07 33 50.9 r 585
2009-09-29 01:11:34 C 06 11 14.56 +07 33 49.7 r 585
2009-09-29 01:18:10 C 06 11 15.46 +07 33 48.9 r 585
2009-09-29 01:26:15 C 06 11 16.47 +07 33 46.9 r 585
2009-09-29 01:32:39 C 06 11 17.36 +07 33 46.6 r 585
2009-10-04 02:53:38 C 06 27 50.86 +07 12 39.6 w 160
2009-10-04 02:55:37 C 06 27 51.23 +07 12 39.4 w 160
2009-10-04 02:57:36 C 06 27 51.47 +07 12 38.8 w 160
2009-10-04 16:34:41 C 06 29 43.68 +07 10 06.4 m 349
2009-10-04 16:50:57 C 06 29 45.91 +07 10 04.2 m 349
2009-10-05 04:33:37 C 06 31 22.24 +07 07 50.6 w J47
2009-10-05 04:34:14 C 06 31 22.31 +07 07 49.8 w J47
2009-10-05 04:37:05 C 06 31 22.70 +07 07 49.5 w J47
2009-10-05 09:48:53 C 06 32 05.57 +07 06 49.5 o H06
2009-10-05 09:51:22 C 06 32 05.89 +07 06 49.1 o H06
2009-10-05 09:53:53 C 06 32 06.22 +07 06 48.5 o H06
2009-10-10 03:05:17 C 06 47 40.43 +06 43 53.5 c A79
2009-10-10 03:12:55 C 06 47 41.51 +06 43 51.9 c A79
2009-10-10 03:17:43 C 06 47 42.14 +06 43 51.0 c A79
2009-10-10 03:22:07 C 06 47 42.67 +06 43 50.1 c A79
2009-10-11 04:26:15 C 06 51 10.08 +06 38 28.9 w 939
2009-10-11 04:29:33 C 06 51 10.53 +06 38 28.1 w 939
2009-10-11 04:32:50 C 06 51 11.00 +06 38 27.1 w 939
2009-10-12 02:01:21 C 06 54 08.90 +06 33 47.5 w 939
2009-10-12 02:04:41 C 06 54 09.38 +06 33 47.1 w 939
2009-10-12 02:09:37 C 06 54 10.06 +06 33 46.4 w 939
2009-10-17 04:31:22 C 07 11 01.63 +06 06 14.2 w J59
2009-10-17 04:41:58 C 07 11 03.10 +06 06 12.0 w J59
2009-10-17 04:54:59 C 07 11 04.84 +06 06 09.3 w J59
2009-10-17 10:15:29 C 07 11 49.03 +06 04 56.7 v H47
2009-10-17 10:21:54 C 07 11 49.95 +06 04 54.5 v H47
2009-10-18 03:38:04 C 07 14 12.39 +06 00 53.5 w 232
2009-10-18 03:40:41 C 07 14 12.81 +06 00 52.9 w 232
2009-10-18 03:43:19 C 07 14 13.21 +06 00 52.5 w 232
2009-10-19 10:04:12 C 07 18 23.35 +05 53 49.8 v H47
2009-10-19 10:08:19 C 07 18 24.09 +05 53 49.1 v H47
2009-10-19 10:12:27 C 07 18 24.49 +05 53 47.5 v H47
2009-10-19 18:52:05 C 07 19 35.82 +05 51 45.1 m 349
2009-10-19 18:57:10 C 07 19 36.48 +05 51 44.3 m 349
2009-10-19 19:02:15 C 07 19 37.17 +05 51 43.0 m 349
2009-10-20 09:34:56 C 07 21 37.01 +05 48 19.3 v H47
2009-10-20 09:40:42 C 07 21 37.76 +05 48 17.5 v H47
2009-10-20 09:46:41 C 07 21 38.56 +05 48 16.0 v H47