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
2021-04-09 22:52:52 C 08 31 55.27 +27 16 20.0 V I81
2021-04-09 22:57:57 C 08 31 55.78 +27 16 18.7 V I81
2021-04-09 23:03:02 C 08 31 56.25 +27 16 17.5 V I81
2021-04-10 13:27:06 C 08 33 19.47 +27 13 17.5 q D95
2021-04-10 13:35:17 C 08 33 20.16 +27 13 14.6 q D95
2021-04-10 13:49:37 C 08 33 21.65 +27 13 12.3 q D95
2021-04-13 01:30:14 C 08 39 04.48 +26 59 51.5 V I81
2021-04-13 01:35:21 C 08 39 04.95 +26 59 50.4 V I81
2021-04-13 01:40:26 C 08 39 05.42 +26 59 49.4 V I81
2021-04-13 04:03:11 C 08 39 19.18 +26 59 19.3 V 703
2021-04-13 04:10:53 C 08 39 20.03 +26 59 17.2 V 703
2021-04-13 04:18:35 C 08 39 20.78 +26 59 14.4 V 703
2021-04-13 04:26:18 C 08 39 21.40 +26 59 13.2 V 703
2021-04-13 23:31:56 C 08 41 10.10 +26 54 38.2 V I81
2021-04-13 23:37:05 C 08 41 10.58 +26 54 37.0 V I81
2021-04-13 23:42:12 C 08 41 11.07 +26 54 35.7 V I81
2021-04-14 14:08:49 C 08 42 32.96 +26 51 07.0 q Q11
2021-04-14 14:17:05 C 08 42 33.74 +26 51 04.8 q Q11
2021-04-14 14:25:50 C 08 42 34.58 +26 51 02.5 q Q11
2021-04-17 06:48:54 C 08 48 37.90 +26 34 37.6 V T08
2021-04-17 06:54:10 C 08 48 38.34 +26 34 36.0 V T08
2021-04-17 07:11:55 C 08 48 39.96 +26 34 31.9 V T08
2021-04-17 07:32:48 C 08 48 42.01 +26 34 25.3 V T08
2021-04-18 03:30:41 C 08 50 33.86 +26 29 01.0 V 703
2021-04-18 03:38:52 C 08 50 34.66 +26 28 58.3 V 703
2021-04-18 03:47:04 C 08 50 35.53 +26 28 56.3 V 703
2021-04-18 03:55:15 C 08 50 36.19 +26 28 54.6 V 703
2021-04-18 04:01:35 C 08 50 36.59 +26 28 54.0 V G96
2021-04-18 04:09:53 C 08 50 37.33 +26 28 51.5 V G96
2021-04-18 04:18:08 C 08 50 38.09 +26 28 49.3 V G96
2021-04-18 04:26:23 C 08 50 38.84 +26 28 47.0 V G96
2021-04-30 04:42:26 C 09 16 44.07 +24 59 32.6 V 703
2021-04-30 04:50:00 C 09 16 44.65 +24 59 31.6 V 703
2021-04-30 04:57:34 C 09 16 45.30 +24 59 28.9 V 703
2021-04-30 05:05:08 C 09 16 45.95 +24 59 27.0 V 703
2021-05-05 03:37:58 C 09 27 04.54 +24 17 30.7 V G96
2021-05-05 03:46:04 C 09 27 05.19 +24 17 28.1 V G96
2021-05-05 03:54:10 C 09 27 05.93 +24 17 25.1 V G96
2021-05-05 04:02:15 C 09 27 06.58 +24 17 21.7 V G96
2021-05-09 13:20:59 C 09 36 04.70 +23 37 59.8 q Q11
2021-05-09 13:29:12 C 09 36 05.39 +23 37 56.7 q Q11
2021-05-09 13:37:54 C 09 36 06.10 +23 37 53.2 q Q11
2021-07-01 06:47:57 C 11 12 42.162 +14 25 51.89 V F51
2021-07-01 06:55:50 C 11 12 42.743 +14 25 47.76 V F51
2021-07-01 07:03:42 C 11 12 43.265 +14 25 44.19 V F51
2021-07-01 07:11:36 C 11 12 43.847 +14 25 40.70 V F51
2021-07-02 06:31:41 C 11 14 21.571 +14 14 57.37 V F51
2021-07-02 06:39:35 C 11 14 22.135 +14 14 53.25 V F51
2021-07-02 06:47:29 C 11 14 22.661 +14 14 50.20 V F51
2021-07-02 06:55:24 C 11 14 23.225 +14 14 45.97 V F51