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
2020-09-10 11:03:27 C 03 08 16.11 -01 14 12.1 V 703
2020-09-10 11:11:01 C 03 08 16.65 -01 14 14.4 V 703
2020-09-10 11:18:34 C 03 08 17.25 -01 14 17.1 V 703
2020-09-13 01:32:24 C 03 12 16.65 -01 33 36.5 V 160
2020-09-13 01:39:07 C 03 12 17.07 -01 33 38.7 V 160
2020-09-13 01:45:10 C 03 12 17.41 -01 33 40.4 V 160
2020-09-13 18:40:39 C 03 13 21.60 -01 39 02.1 V Q62
2020-09-13 18:43:06 C 03 13 21.76 -01 39 02.7 V Q62
2020-09-13 18:45:33 C 03 13 21.92 -01 39 03.5 V Q62
2020-09-14 00:29:59 C 03 13 44.23 -01 41 09.2 V B96
2020-09-14 00:39:23 C 03 13 44.86 -01 41 12.2 V B96
2020-09-14 00:48:44 C 03 13 45.33 -01 41 16.6 V B96
2020-09-14 01:11:41 C 03 13 46.70 -01 41 21.9 V 160
2020-09-14 01:17:50 C 03 13 47.11 -01 41 24.9 V 160
2020-09-14 01:23:57 C 03 13 47.54 -01 41 26.2 V 160
2020-09-14 03:25:37 C 03 13 54.90 -01 42 06.5 d A77
2020-09-14 03:32:52 C 03 13 55.43 -01 42 09.4 d A77
2020-09-14 03:39:32 C 03 13 55.80 -01 42 11.8 d A77
2020-09-14 12:36:55 C 03 14 29.99 -01 45 09.4 V T05
2020-09-14 12:39:33 C 03 14 30.12 -01 45 10.4 V T05
2020-09-14 12:45:30 C 03 14 30.45 -01 45 12.2 V T05
2020-09-14 13:02:57 C 03 14 31.44 -01 45 18.5 V T05
2020-09-14 13:41:07 C 03 14 33.975 -01 45 30.65 U F51
2020-09-14 13:57:27 C 03 14 34.964 -01 45 36.18 U F51
2020-09-14 14:13:46 C 03 14 35.954 -01 45 41.69 U F51
2020-09-15 08:52:28 C 03 15 46.50 -01 52 07.2 V 703
2020-09-15 09:00:24 C 03 15 46.95 -01 52 09.9 V 703
2020-09-15 09:08:19 C 03 15 47.43 -01 52 12.5 V 703
2020-09-15 09:16:14 C 03 15 47.88 -01 52 15.0 V 703
2020-09-16 01:01:43 C 03 16 47.28 -01 57 46.4 V 160
2020-09-16 01:07:14 C 03 16 47.61 -01 57 48.4 V 160
2020-09-16 01:12:55 C 03 16 47.92 -01 57 50.6 V 160
2020-09-16 11:52:48 C 03 17 27.99 -02 01 34.1 V T08
2020-09-16 11:57:27 C 03 17 28.28 -02 01 35.9 V T08
2020-09-16 12:05:28 C 03 17 28.70 -02 01 38.8 V T08
2020-09-16 12:16:37 C 03 17 29.42 -02 01 42.7 V T08
2020-09-16 12:33:54 C 03 17 30.529 -02 01 48.73 U F51
2020-09-16 12:59:50 C 03 17 32.078 -02 01 58.07 U F51
2020-09-16 13:26:09 C 03 17 33.656 -02 02 07.44 U F51
2020-09-17 05:17:27 C 03 18 33.00 -02 07 42.7 q X03
2020-09-17 05:44:04 C 03 18 34.63 -02 07 52.4 q X03
2020-09-17 06:13:00 C 03 18 36.33 -02 08 02.7 q X03
2020-09-17 13:55:46 C 03 19 04.868 -02 11 00.46 U F52
2020-09-17 13:57:39 C 03 19 04.981 -02 11 01.02 U F52
2020-09-17 14:12:32 C 03 19 05.854 -02 11 06.64 U F52
2020-09-17 14:14:27 C 03 19 05.976 -02 11 07.24 U F52
2020-09-17 14:31:12 C 03 19 06.969 -02 11 13.44 U F52
2020-09-17 14:47:56 C 03 19 07.960 -02 11 19.59 U F52
2020-09-18 02:13:50 C 03 19 50.52 -02 15 37.3 V 160
2020-09-18 02:19:57 C 03 19 50.88 -02 15 38.7 V 160