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
2004-12-10 11:55:50 C 10 29 36.25 +21 34 01.5 r 918
2004-12-10 12:00:37 C 10 29 36.42 +21 34 02.7 r 918
2004-12-11 17:32:17 C 10 30 30.28 +21 40 12.5 m 349
2004-12-11 17:38:42 C 10 30 30.46 +21 40 13.7 m 349
2004-12-11 17:45:04 C 10 30 30.62 +21 40 15.0 m 349
2004-12-15 10:14:52 C 10 32 59.95 +22 00 17.9 c 704
2004-12-15 10:35:35 C 10 33 00.60 +22 00 23.1 c 704
2004-12-15 10:56:23 C 10 33 01.12 +22 00 27.4 c 704
2004-12-15 11:17:45 C 10 33 01.73 +22 00 33.4 c 704
2004-12-15 11:38:31 C 10 33 02.23 +22 00 40.4 c 704
2004-12-16 19:21:19 C 10 33 51.30 +22 08 25.2 o 360
2004-12-16 19:25:18 C 10 33 51.39 +22 08 26.4 o 360
2004-12-18 01:14:17 C 10 34 35.57 +22 16 00.6 c J78
2004-12-18 01:48:08 C 10 34 36.30 +22 16 08.8 c J76
2004-12-18 01:49:10 C 10 34 36.34 +22 16 08.9 c J76
2004-12-18 01:50:13 C 10 34 36.37 +22 16 09.4 c J76
2004-12-18 02:24:25 C 10 34 37.26 +22 16 18.2 c J78
2004-12-18 02:26:32 C 10 34 37.26 +22 16 19.3 c J78
2004-12-19 02:58:43 C 10 35 11.80 +22 22 46.0 c J76
2004-12-19 02:59:47 C 10 35 11.81 +22 22 46.1 c J76
2004-12-19 03:00:20 C 10 35 11.82 +22 22 46.3 c J76
2004-12-19 09:49:39 C 10 35 20.96 +22 24 35.2 o 699
2004-12-19 10:03:43 C 10 35 21.35 +22 24 38.7 o 699
2004-12-19 10:17:46 C 10 35 21.54 +22 24 42.8 o 699
2004-12-19 10:31:50 C 10 35 21.90 +22 24 46.4 o 699
2004-12-23 16:49:09 C 10 37 28.67 +22 53 46.0 z D83
2004-12-23 16:51:49 C 10 37 28.72 +22 53 46.7 z D83
2004-12-23 16:59:40 C 10 37 28.86 +22 53 48.9 z D83
2004-12-23 17:04:54 C 10 37 28.91 +22 53 50.4 z D83
2004-12-24 05:34:20 C 10 37 42.39 +22 57 35.8 o 204
2004-12-24 05:46:13 C 10 37 42.59 +22 57 38.9 o 204
2004-12-26 01:11:00 C 10 38 27.30 +23 11 02.5 c J76
2004-12-26 01:12:05 C 10 38 27.36 +23 11 03.6 c J76
2004-12-26 01:13:09 C 10 38 27.39 +23 11 03.4 c J76
2005-01-04 23:36:18 C 10 41 03.95 +24 33 39.0 r 215
2005-01-04 23:36:50 C 10 41 03.97 +24 33 39.1 r 215
2005-01-04 23:37:24 C 10 41 03.97 +24 33 39.4 r 215
2005-01-05 03:17:22 C 10 41 05.07 +24 35 03.6 o 204
2005-01-05 03:34:29 C 10 41 05.10 +24 35 09.9 o 204
2005-01-05 03:57:02 C 10 41 05.06 +24 35 18.2 r 106
2005-01-05 04:05:18 C 10 41 05.15 +24 35 20.7 r 106
2005-01-05 04:13:30 C 10 41 05.20 +24 35 23.6 r 106
2005-01-08 01:16:05 C 10 41 21.41 +25 02 01.1 c 213
2005-01-08 01:18:35 C 10 41 21.39 +25 02 02.4 c 213
2005-01-08 01:19:49 C 10 41 21.41 +25 02 02.7 c 213
2005-01-08 17:56:30 C 10 41 23.14 +25 08 36.2 o 900
2005-01-08 18:02:51 C 10 41 23.13 +25 08 38.9 o 900
2005-01-09 00:40:46 C 10 41 23.75 +25 11 15.3 r A01
2005-01-09 00:52:10 C 10 41 23.83 +25 11 20.5 r A01
2005-01-09 00:55:01 C 10 41 23.80 +25 11 21.6 r A01