121P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2008-08-22 (JD 2454700.5)
Eccentricity (e)0.2040294259 ± 1.03e-07
Semi-major axis (a)4.5185643776 AU ± 2.34e-07
Inclination (i)20.72515328° ± 1.00e-05
Long. of Asc. Node (Ω)95.96491567° ± 1.78e-05
Arg. of Perihelion (ω)18.01565461° ± 2.79e-05
Mean Anomaly (M)167.88552122° ± 4.30e-05
Mean Motion (n)0.1026132310°/day ± 7.96e-09
Perihelion dist (q)3.59664428 AU ± 5.01e-07
Aphelion dist (Q)5.44048447 AU ± 5.44e-07
Orbital Period9.60525532 yr ± 7.45e-07
Orbit Solution
SourceJPL
Solution Date2026-05-22 14:12:30
RMS Residual0.623″
Uncertainty0
Orbit TypeJupiter-family Comet
MOID2.620150 AU
Observations Used772
Oppositions
Arc Total1989-2026
First Observation Used
Last Observation Used2026-05-13
Observations (798)
Date Type RA Dec Mag Band Observatory
2003-12-13 06:25:37 C 02 15 47.10 -06 39 38.3 c 644
2003-12-13 06:55:47 C 02 15 46.71 -06 39 30.4 c 644
2003-12-13 20:18:17 C 02 15 37.09 -06 35 55.2 r J87
2003-12-13 20:24:38 C 02 15 36.98 -06 35 54.2 r J87
2003-12-22 03:31:01 C 02 13 58.55 -05 36 55.8 c 644
2003-12-22 04:00:48 C 02 13 58.39 -05 36 46.3 c 644
2003-12-22 04:30:04 C 02 13 58.24 -05 36 37.3 c 644
2004-02-18 02:18:41 C 02 41 34.57 +03 53 37.1 c 704
2004-02-18 02:35:37 C 02 41 35.19 +03 53 43.9 c 704
2004-02-18 02:52:36 C 02 41 35.91 +03 53 53.0 c 704
2004-02-18 03:09:28 C 02 41 36.55 +03 54 00.8 c 704
2004-02-18 03:26:57 C 02 41 37.28 +03 54 08.1 c 704
2004-02-20 19:02:09 C 02 44 14.75 +04 22 36.4 r 215
2004-10-17 03:13:14 C 09 25 22.00 +20 26 12.7 c 939
2004-10-17 03:20:08 C 09 25 22.42 +20 26 12.5 c 939
2004-10-17 03:27:06 C 09 25 22.87 +20 26 12.8 c 939
2004-10-19 10:05:51 C 09 28 48.77 +20 23 28.2 c 704
2004-10-19 10:22:54 C 09 28 49.77 +20 23 27.8 c 704
2004-10-19 10:42:32 C 09 28 51.04 +20 23 26.5 c 704
2004-10-21 10:42:31 C 09 31 49.19 +20 21 16.9 c 704
2004-10-21 10:59:19 C 09 31 50.22 +20 21 16.7 c 704
2004-10-21 11:33:03 C 09 31 52.27 +20 21 14.4 c 704
2004-10-21 11:49:51 C 09 31 53.31 +20 21 15.5 c 704
2004-10-21 18:56:59 09 32 19.66 +20 20 56.0 372
2004-10-21 19:07:30 09 32 20.13 +20 20 55.6 372
2004-11-09 17:43:47 C 09 58 17.04 +20 15 07.9 m 349
2004-11-09 17:50:10 C 09 58 17.34 +20 15 08.3 m 349
2004-11-09 17:56:32 C 09 58 17.67 +20 15 08.4 m 349
2004-11-12 20:05:28 C 10 02 06.66 +20 17 23.5 o 360
2004-11-12 20:09:04 C 10 02 06.86 +20 17 23.9 o 360
2004-11-21 18:50:50 C 10 12 23.87 +20 30 16.4 m 349
2004-11-21 18:57:14 C 10 12 24.15 +20 30 17.0 m 349
2004-11-21 19:03:38 C 10 12 24.43 +20 30 17.5 m 349
2004-12-08 04:20:58 C 10 27 49.84 +21 23 07.7 o A61
2004-12-08 04:30:25 C 10 27 50.22 +21 23 08.1 o A61
2004-12-08 04:35:17 C 10 27 50.35 +21 23 09.1 o A61
2004-12-09 10:00:30 C 10 28 47.45 +21 28 47.5 c 704
2004-12-09 10:21:03 C 10 28 48.33 +21 28 53.0 c 704
2004-12-09 10:41:37 C 10 28 48.90 +21 28 57.2 c 704
2004-12-09 11:02:04 C 10 28 49.60 +21 29 01.3 c 704
2004-12-09 11:22:39 C 10 28 50.26 +21 29 06.2 c 704
2004-12-10 02:31:47 C 10 29 18.77 +21 32 06.4 o A61
2004-12-10 02:48:16 C 10 29 19.30 +21 32 09.6 o A61
2004-12-10 02:54:42 C 10 29 19.51 +21 32 11.3 o A61
2004-12-10 10:23:38 C 10 29 33.49 +21 33 42.7 r 918
2004-12-10 10:28:28 C 10 29 33.66 +21 33 43.8 r 918
2004-12-10 10:33:24 C 10 29 33.77 +21 33 44.8 r 918
2004-12-10 11:07:10 C 10 29 34.79 +21 33 51.5 r 918
2004-12-10 11:17:08 C 10 29 35.07 +21 33 53.5 r 918
2004-12-10 11:50:53 C 10 29 36.09 +21 34 00.4 r 918