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
2009-09-02 10:19:22 C 04 47 44.95 +08 24 04.0 o H06
2009-09-05 10:03:14 C 04 56 43.10 +08 24 01.1 o H06
2009-09-05 10:09:47 C 04 56 43.90 +08 24 02.0 o H06
2009-09-05 10:16:20 C 04 56 44.65 +08 24 02.1 o H06
2009-09-06 02:05:38 C 04 58 44.39 +08 23 47.2 r 118
2009-09-06 02:09:55 C 04 58 44.90 +08 23 49.1 r 118
2009-09-06 02:27:01 C 04 58 47.08 +08 23 47.7 v 204
2009-09-06 03:02:43 C 04 58 51.51 +08 23 47.1 v 204
2009-09-09 01:18:14 C 05 07 47.16 +08 22 01.2 r 585
2009-09-09 01:20:30 C 05 07 47.37 +08 22 00.8 r 585
2009-09-09 01:22:41 C 05 07 47.69 +08 22 00.4 r 585
2009-09-09 01:24:48 C 05 07 48.03 +08 22 01.1 r 585
2009-09-09 01:26:59 C 05 07 48.25 +08 22 01.3 r 585
2009-09-09 01:33:28 C 05 07 49.03 +08 21 59.9 r 585
2009-09-09 09:27:15 C 05 08 49.54 +08 21 43.7 r 850
2009-09-09 10:07:45 C 05 08 54.63 +08 21 41.7 r 850
2009-09-09 18:11:06 C 05 09 56.70 +08 21 24.6 m 349
2009-09-09 18:17:40 C 05 09 57.50 +08 21 24.1 m 349
2009-09-09 18:24:15 C 05 09 58.33 +08 21 23.8 m 349
2009-09-12 09:58:33 C 05 18 09.84 +08 18 17.5 c 704
2009-09-12 10:14:50 C 05 18 11.96 +08 18 17.3 c 704
2009-09-12 10:31:09 C 05 18 14.09 +08 18 16.1 c 704
2009-09-12 10:47:28 C 05 18 16.19 +08 18 15.9 c 704
2009-09-13 04:42:10 C 05 20 35.52 +08 17 10.4 r J51
2009-09-13 04:55:28 C 05 20 37.28 +08 17 09.9 r J51
2009-09-13 05:08:45 C 05 20 39.00 +08 17 09.4 r J51
2009-09-14 05:05:48 C 05 23 46.13 +08 15 33.7 c J24
2009-09-14 05:15:51 C 05 23 47.33 +08 15 33.3 c J24
2009-09-14 05:17:32 C 05 23 47.56 +08 15 33.1 c J24
2009-09-16 10:10:38 C 05 30 42.85 +08 11 26.8 v H10
2009-09-16 10:12:44 C 05 30 43.06 +08 11 26.6 v H10
2009-09-16 10:16:48 C 05 30 43.63 +08 11 26.1 v H10
2009-09-17 11:51:19 C 05 34 05.30 +08 09 10.9 r G96
2009-09-17 11:57:56 C 05 34 06.16 +08 09 10.1 r G96
2009-09-17 12:04:33 C 05 34 07.14 +08 09 09.8 r G96
2009-09-17 12:11:07 C 05 34 07.96 +08 09 09.2 r G96
2009-09-19 18:05:36 C 05 41 15.89 +08 03 48.8 r 900
2009-09-19 18:15:54 C 05 41 17.23 +08 03 48.5 r 900
2009-09-20 09:09:58 C 05 43 16.12 +08 02 10.8 o H06
2009-09-20 09:12:39 C 05 43 16.47 +08 02 10.6 o H06
2009-09-20 09:15:19 C 05 43 16.85 +08 02 10.5 o H06
2009-09-22 01:15:41 C 05 48 36.64 +07 57 32.5 r 585
2009-09-22 01:19:01 C 05 48 37.00 +07 57 32.0 r 585
2009-09-22 01:20:09 C 05 48 37.21 +07 57 31.6 r 585
2009-09-22 01:22:24 C 05 48 37.56 +07 57 30.3 r 585
2009-09-22 01:23:32 C 05 48 37.56 +07 57 30.8 r 585
2009-09-23 03:02:19 C 05 52 03.47 +07 54 20.6 v 204
2009-09-23 04:04:54 C 05 52 11.78 +07 54 13.3 v 204
2009-09-24 17:59:47 C 05 57 17.32 +07 49 13.8 m 349
2009-09-24 18:09:25 C 05 57 18.59 +07 49 12.4 m 349