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
2004-01-31 04:59:43 C 00 44 48.05 -05 04 37.0 o 608
2004-01-31 04:59:43 C 00 44 48.20 -05 04 37.4 q 608
2004-01-31 05:15:05 C 00 44 49.51 -05 04 25.9 o 608
2004-01-31 05:15:05 C 00 44 49.56 -05 04 25.4 q 608
2004-01-31 05:30:27 C 00 44 50.96 -05 04 15.1 o 608
2004-01-31 05:30:27 C 00 44 50.96 -05 04 15.2 q 608
2009-08-26 11:20:16 04 27 20.05 +08 18 42.1 703
2009-08-26 11:29:03 C 04 27 21.09 +08 18 44.2 r 703
2009-08-26 11:37:38 C 04 27 22.14 +08 18 42.9 r 703
2009-08-26 11:46:07 C 04 27 23.14 +08 18 44.7 r 703
2009-08-27 07:32:42 C 04 29 46.36 +08 19 44.4 r 932
2009-08-27 07:38:44 C 04 29 47.04 +08 19 45.7 r 932
2009-08-27 07:45:13 C 04 29 47.88 +08 19 45.2 r 932
2009-08-27 10:03:18 C 04 30 04.55 +08 19 53.1 c H06
2009-08-27 10:07:24 C 04 30 05.02 +08 19 53.2 c H06
2009-08-27 10:11:30 C 04 30 05.50 +08 19 53.2 c H06
2009-08-28 10:06:21 C 04 32 59.26 +08 20 59.7 r 703
2009-08-28 10:11:45 C 04 32 59.94 +08 20 57.2 r 703
2009-08-28 10:17:06 C 04 33 00.69 +08 20 59.7 r 703
2009-08-29 10:09:42 C 04 35 54.77 +08 21 54.3 r H06
2009-08-29 10:34:59 C 04 35 57.95 +08 21 54.8 r H06
2009-08-29 10:40:40 C 04 35 58.69 +08 21 55.3 c 854
2009-08-29 10:48:57 C 04 35 59.68 +08 21 55.6 c 854
2009-08-29 10:57:14 C 04 36 00.62 +08 21 55.0 c 854
2009-08-29 23:20:34 C 04 37 31.46 +08 22 22.9 c A50
2009-08-29 23:26:05 C 04 37 32.13 +08 22 21.6 c A50
2009-08-29 23:31:37 C 04 37 32.72 +08 22 21.4 c A50
2009-08-29 23:37:08 C 04 37 33.37 +08 22 19.4 c A50
2009-08-30 00:56:20 C 04 37 43.13 +08 22 22.3 r 113
2009-08-30 01:24:30 C 04 37 46.52 +08 22 23.2 r 113
2009-08-30 01:38:02 C 04 37 48.20 +08 22 23.8 r 113
2009-08-30 02:01:11 C 04 37 50.96 +08 22 23.8 r A17
2009-08-30 02:12:30 C 04 37 52.38 +08 22 24.3 r A17
2009-08-30 02:23:49 C 04 37 53.75 +08 22 25.3 r A17
2009-08-30 08:48:46 C 04 38 40.98 +08 22 37.2 r H55
2009-08-30 08:55:45 C 04 38 41.78 +08 22 37.8 r H55
2009-08-30 08:58:51 C 04 38 42.19 +08 22 37.9 r H55
2009-08-30 09:00:24 C 04 38 42.39 +08 22 37.9 r H55
2009-08-30 11:14:29 C 04 38 58.67 +08 22 42.9 o 291
2009-08-30 11:19:52 C 04 38 59.34 +08 22 43.2 o 291
2009-08-30 11:27:04 C 04 39 00.19 +08 22 43.3 o 291
2009-08-30 18:07:27 C 04 39 49.43 +08 22 54.4 o 300
2009-08-30 18:12:38 C 04 39 50.00 +08 22 53.4 o 300
2009-08-30 18:15:14 C 04 39 50.38 +08 22 54.0 o 300
2009-08-30 18:25:42 C 04 39 51.61 +08 22 54.4 o 300
2009-08-31 09:40:35 C 04 41 44.02 +08 23 16.8 o H36
2009-08-31 09:58:33 C 04 41 46.26 +08 23 17.0 o H36
2009-09-01 01:48:50 C 04 43 43.38 +08 23 35.7 r A71
2009-09-02 10:11:12 C 04 47 43.92 +08 24 02.8 o H06
2009-09-02 10:15:17 C 04 47 44.46 +08 24 03.5 o H06