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
2020-08-12 01:58:23 C 02 20 52.61 +00 40 11.0 V L01
2020-08-12 02:05:07 C 02 20 53.07 +00 40 10.7 V L01
2020-08-12 04:51:56 C 02 21 04.60 +00 40 06.0 t 950
2020-08-12 04:58:21 C 02 21 05.00 +00 40 05.7 t 950
2020-08-12 05:02:45 C 02 21 05.28 +00 40 05.6 t 950
2020-08-12 05:08:18 C 02 21 05.67 +00 40 05.4 t 950
2020-08-12 07:50:56 C 02 21 16.85 +00 40 04.8 V W88
2020-08-12 08:45:29 C 02 21 20.52 +00 40 02.6 V W88
2020-08-12 10:14:13 C 02 21 26.68 +00 39 52.5 V H06
2020-08-12 10:24:14 C 02 21 27.37 +00 39 52.5 V H06
2020-08-13 00:52:25 C 02 22 27.18 +00 39 14.3 V L07
2020-08-13 01:30:59 C 02 22 29.78 +00 39 12.5 V L07
2020-08-13 02:10:41 C 02 22 32.46 +00 39 10.5 V L07
2020-08-15 03:06:35 C 02 25 54.21 +00 36 33.7 V Z84
2020-08-15 03:19:51 C 02 25 55.10 +00 36 32.5 V Z84
2020-08-15 03:33:06 C 02 25 55.94 +00 36 31.3 V Z84
2020-08-15 03:46:20 C 02 25 56.91 +00 36 30.6 V Z84
2020-08-17 03:06:35 C 02 29 11.79 +00 33 13.1 V Z84
2020-08-17 03:19:51 C 02 29 12.68 +00 33 11.9 V Z84
2020-08-17 03:33:07 C 02 29 13.58 +00 33 10.8 V Z84
2020-08-17 03:46:21 C 02 29 14.46 +00 33 09.9 V Z84
2020-08-17 04:26:08 C 02 29 17.23 +00 33 07.7 V J04
2020-08-17 04:36:25 C 02 29 17.92 +00 33 06.9 V J04
2020-08-18 11:20:16 C 02 31 24.05 +00 30 32.7 V G96
2020-08-18 11:24:59 C 02 31 24.34 +00 30 32.1 V G96
2020-08-18 11:29:43 C 02 31 24.68 +00 30 31.8 V G96
2020-08-18 11:34:25 C 02 31 24.97 +00 30 31.3 V G96
2020-08-19 13:07:37 C 02 33 10.02 +00 28 10.2 V T08
2020-08-19 13:15:37 C 02 33 10.50 +00 28 09.8 V T08
2020-08-19 13:18:17 C 02 33 10.69 +00 28 09.7 V T08
2020-08-19 13:47:28 C 02 33 12.60 +00 28 06.3 V T08
2020-08-21 13:08:25 C 02 36 26.52 +00 23 05.9 V T05
2020-08-21 13:14:30 C 02 36 26.89 +00 23 05.3 V T05
2020-08-21 13:18:27 C 02 36 27.16 +00 23 04.5 V T05
2020-08-21 13:31:39 C 02 36 27.96 +00 23 03.2 V T05
2020-08-21 23:40:55 C 02 37 09.67 +00 21 49.4 V L01
2020-08-21 23:42:02 C 02 37 09.74 +00 21 49.1 V L01
2020-08-21 23:44:17 C 02 37 09.89 +00 21 49.0 V L01
2020-08-21 23:45:25 C 02 37 09.97 +00 21 49.2 V L01
2020-08-21 23:46:32 C 02 37 10.03 +00 21 49.3 V L01
2020-08-21 23:51:02 C 02 37 10.34 +00 21 48.8 V L01
2020-08-21 23:54:24 C 02 37 10.55 +00 21 48.1 V L01
2020-08-22 00:02:42 C 02 37 11.16 +00 21 46.9 V 246
2020-08-22 00:03:14 C 02 37 11.18 +00 21 46.8 V 246
2020-08-22 00:06:20 C 02 37 11.32 +00 21 46.9 V 246
2020-08-22 00:06:33 C 02 37 11.34 +00 21 44.1 V 246
2020-08-22 00:09:36 C 02 37 11.59 +00 21 45.4 V 246
2020-08-22 00:09:50 C 02 37 11.62 +00 21 46.4 V 246
2020-08-22 00:10:42 C 02 37 11.64 +00 21 46.6 V 246
2020-08-23 12:20:38 C 02 39 39.22 +00 17 18.8 V T08