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
2020-12-11 10:19:31 C 04 28 52.994 -09 59 42.95 U F51
2020-12-11 10:26:56 C 04 28 53.13 -09 59 36.7 V T05
2020-12-11 10:37:33 C 04 28 53.259 -09 59 27.60 U F51
2020-12-11 14:02:25 C 04 28 58.44 -09 56 44.3 V G26
2020-12-11 14:39:08 C 04 28 59.14 -09 56 14.9 V G26
2020-12-12 08:11:38 C 04 29 21.19 -09 41 23.5 V 703
2020-12-12 08:19:15 C 04 29 21.29 -09 41 17.2 V 703
2020-12-12 08:26:54 C 04 29 21.42 -09 41 10.7 V 703
2020-12-12 08:34:31 C 04 29 21.55 -09 41 04.1 V 703
2020-12-12 09:41:23 C 04 29 23.54 -09 40 02.9 V T08
2020-12-12 09:46:41 C 04 29 23.63 -09 39 58.4 V T08
2020-12-12 09:55:18 C 04 29 23.75 -09 39 51.0 V T08
2020-12-12 10:44:37 C 04 29 24.54 -09 39 08.3 V T08
2020-12-12 10:51:38 C 04 29 25.91 -09 38 42.4 V Q62
2020-12-12 10:53:21 C 04 29 25.94 -09 38 41.0 V Q62
2020-12-12 10:54:42 C 04 29 25.96 -09 38 39.8 V Q62
2020-12-12 10:56:08 C 04 29 25.98 -09 38 38.5 V Q62
2020-12-12 10:57:32 C 04 29 26.01 -09 38 37.3 V Q62
2020-12-12 12:42:10 C 04 29 27.16 -09 37 05.2 q E89
2020-12-12 12:48:00 C 04 29 27.28 -09 37 00.0 q E89
2020-12-12 12:53:09 C 04 29 27.38 -09 36 56.1 q E89
2020-12-12 12:58:16 C 04 29 27.45 -09 36 51.3 q E89
2020-12-12 13:04:04 C 04 29 27.51 -09 36 45.8 q E89
2020-12-12 13:59:57 C 04 29 29.25 -09 36 25.4 q D95
2020-12-12 14:07:17 C 04 29 29.37 -09 36 19.0 q D95
2020-12-12 14:12:35 C 04 29 29.47 -09 36 14.6 q D95
2020-12-12 14:24:58 C 04 29 29.77 -09 36 02.5 q Q11
2020-12-12 14:37:16 C 04 29 29.96 -09 35 51.5 q Q11
2020-12-12 14:49:37 C 04 29 30.17 -09 35 40.7 q Q11
2020-12-12 20:24:59 C 04 29 38.61 -09 30 50.6 q G20
2020-12-12 20:27:23 C 04 29 38.62 -09 30 47.8 q G20
2020-12-12 20:32:22 C 04 29 38.74 -09 30 43.0 q G20
2020-12-12 22:05:13 C 04 29 40.63 -09 29 19.3 V 212
2020-12-12 22:07:19 C 04 29 40.69 -09 29 16.9 V 212
2020-12-12 22:09:26 C 04 29 40.71 -09 29 14.6 V 212
2020-12-13 10:38:21 C 04 29 56.97 -09 18 00.4 V T08
2020-12-13 10:43:41 C 04 29 57.12 -09 17 54.7 V T08
2020-12-13 10:52:20 C 04 29 57.24 -09 17 47.2 V T08
2020-12-13 11:10:18 C 04 29 57.54 -09 17 31.3 V T08
2020-12-13 20:09:25 C 04 30 11.36 -09 09 26.9 V G17
2020-12-13 20:13:56 C 04 30 11.45 -09 09 22.4 V G17
2020-12-13 20:18:26 C 04 30 11.51 -09 09 17.2 V G17
2020-12-14 00:04:20 C 04 30 16.33 -09 05 45.1 V J22
2020-12-14 00:08:47 C 04 30 16.44 -09 05 40.8 V J22
2020-12-14 00:13:14 C 04 30 16.50 -09 05 37.5 V J22
2020-12-14 19:20:07 C 04 30 45.03 -08 47 35.7 V L85
2020-12-14 20:30:03 C 04 30 46.45 -08 46 28.2 V L85
2020-12-14 22:53:25 C 04 30 48.79 -08 44 14.9 Z D04
2020-12-14 23:19:28 C 04 30 49.33 -08 43 49.8 Z D04
2020-12-14 23:43:59 C 04 30 49.62 -08 43 28.8 Z D04