IAA RAS IAA Minor Planet Database

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
2020-09-18 02:26:00 C 03 19 51.23 -02 15 41.8 – V 160
2020-09-18 09:21:27 C 03 20 16.86 -02 18 15.6 – V 703
2020-09-18 09:29:18 C 03 20 17.37 -02 18 18.9 – V 703
2020-09-18 09:37:09 C 03 20 17.80 -02 18 21.9 – V 703
2020-09-18 09:44:59 C 03 20 18.23 -02 18 24.5 – V 703
2020-09-18 12:09:44 C 03 20 27.30 -02 19 16.9 – V T05
2020-09-18 12:14:22 C 03 20 27.66 -02 19 18.2 – V T05
2020-09-18 12:21:42 C 03 20 28.10 -02 19 21.4 – V T05
2020-09-18 12:29:03 C 03 20 28.39 -02 19 24.4 – V T05
2020-09-19 01:15:35 C 03 21 15.56 -02 24 17.9 – V 160
2020-09-19 01:17:37 C 03 21 15.54 -02 24 20.5 – t A71
2020-09-19 01:22:47 C 03 21 15.97 -02 24 20.7 – V 160
2020-09-19 01:25:01 C 03 21 16.01 -02 24 22.8 – t A71
2020-09-19 01:30:00 C 03 21 16.43 -02 24 23.7 – V 160
2020-09-19 01:33:29 C 03 21 16.50 -02 24 25.9 – t A71
2020-09-19 01:41:56 C 03 21 17.03 -02 24 29.4 – t A71
2020-09-19 06:39:47 C 03 21 35.45 -02 26 10.1 – V W88
2020-09-19 07:06:18 C 03 21 37.01 -02 26 20.3 – V W88
2020-09-19 07:32:13 C 03 21 38.47 -02 26 30.4 – V W88
2020-09-19 07:36:23 C 03 21 38.73 -02 26 32.0 – V W88
2020-09-20 01:11:53 C 03 22 43.37 -02 33 32.8 – V 160
2020-09-20 01:18:20 C 03 22 43.74 -02 33 35.5 – V 160
2020-09-20 01:24:33 C 03 22 44.13 -02 33 38.1 – V 160
2020-09-20 11:54:15 C 03 23 22.47 -02 37 42.3 – V T08
2020-09-20 11:58:55 C 03 23 22.73 -02 37 44.0 – V T08
2020-09-20 12:05:34 C 03 23 23.14 -02 37 46.6 – V T08
2020-09-20 12:12:52 C 03 23 23.56 -02 37 49.5 – V T08
2020-09-21 01:33:30 C 03 24 11.86 -02 43 12.3 – t A71
2020-09-21 01:45:08 C 03 24 12.55 -02 43 16.9 – t A71
2020-09-21 01:55:43 C 03 24 13.18 -02 43 21.3 – t A71
2020-09-21 02:06:19 C 03 24 13.79 -02 43 25.3 – t A71
2020-09-21 02:16:54 C 03 24 14.40 -02 43 29.6 – t A71
2020-09-23 11:33:59 C 03 27 39.94 -03 07 03.3 – V G96
2020-09-23 11:48:21 C 03 27 40.76 -03 07 09.3 – V G96
2020-09-23 11:59:47 C 03 27 41.43 -03 07 13.9 – V G96
2020-09-23 12:07:56 C 03 27 41.85 -03 07 18.0 – V G96
2020-09-27 04:00:40 C 03 32 49.92 -03 45 52.9 – q A77
2020-09-27 04:12:19 C 03 32 50.50 -03 45 57.5 – q A77
2020-09-27 04:23:59 C 03 32 51.24 -03 46 04.4 – q A77
2020-09-27 08:31:24 C 03 33 05.73 -03 47 54.8 – V 703
2020-09-27 08:39:24 C 03 33 06.14 -03 47 58.2 – V 703
2020-09-27 08:47:23 C 03 33 06.58 -03 48 01.5 – V 703
2020-09-27 08:55:22 C 03 33 07.02 -03 48 05.3 – V 703
2020-09-27 12:48:04 C 03 33 20.428 -03 49 49.78 – U F52
2020-09-27 13:04:54 C 03 33 21.342 -03 49 57.47 – U F52
2020-09-27 13:21:45 C 03 33 22.252 -03 50 05.19 – U F52
2020-09-27 13:38:37 C 03 33 23.167 -03 50 12.92 – U F52
2020-09-28 12:05:18 C 03 34 40.12 -04 00 34.6 – V T08
2020-09-28 12:09:16 C 03 34 40.30 -04 00 36.6 – V T08
2020-09-28 12:13:15 C 03 34 40.53 -04 00 38.3 – V T08