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
2005-05-27 20:33:38 C 10 30 09.51 +27 32 44.2 d 048
2005-05-27 20:39:58 C 10 30 09.79 +27 32 38.9 d 048
2005-05-27 20:41:33 C 10 30 09.82 +27 32 39.1 d 048
2005-05-27 20:44:43 C 10 30 09.87 +27 32 37.3 d 048
2005-06-07 03:59:24 C 10 40 02.84 +26 04 50.2 c 704
2005-06-07 04:16:23 C 10 40 03.64 +26 04 43.5 c 704
2005-06-07 04:33:04 C 10 40 04.34 +26 04 37.0 c 704
2005-06-07 04:48:34 C 10 40 04.97 +26 04 31.9 c 704
2005-06-07 05:03:52 C 10 40 05.66 +26 04 24.8 c 704
2006-05-24 06:06:34 C 14 42 41.44 +04 18 01.1 c 691
2006-05-24 06:25:06 C 14 42 40.99 +04 17 59.9 c 691
2006-05-24 06:43:39 C 14 42 40.50 +04 17 59.1 c 691
2006-05-26 04:51:54 C 14 41 35.51 +04 15 35.5 c 691
2006-05-26 05:10:25 C 14 41 35.12 +04 15 34.5 c 691
2006-05-26 05:28:58 C 14 41 34.68 +04 15 33.4 c 691
2012-10-22 00:14:50 C 04 52 20.77 +08 53 37.9 o 461
2012-10-22 00:29:55 C 04 52 20.62 +08 53 37.6 o 461
2012-10-22 00:45:02 C 04 52 20.43 +08 53 37.3 o 461
2012-11-20 07:02:30 C 04 37 44.96 +09 03 17.3 c H06
2012-11-20 07:06:10 C 04 37 44.84 +09 03 17.9 c H06
2012-12-09 08:45:18 C 04 24 29.054 +09 36 41.02 L F51
2012-12-09 09:06:42 C 04 24 28.438 +09 36 44.20 L F51
2012-12-09 09:28:09 C 04 24 27.806 +09 36 46.44 L F51
2013-01-02 19:09:02 C 04 10 21.82 +10 57 06.6 r 215
2013-01-02 19:16:23 C 04 10 21.73 +10 57 08.5 r 215
2013-10-12 11:12:40 C 08 38 01.71 +24 25 01.5 q G96
2013-10-12 11:21:56 C 08 38 02.12 +24 25 01.6 q G96
2013-10-12 11:31:08 C 08 38 02.48 +24 25 02.1 q G96
2013-10-12 11:40:18 C 08 38 02.84 +24 25 02.5 q G96
2014-01-07 07:38:34 C 09 00 05.28 +30 50 55.7 R G45
2014-01-07 08:10:21 C 09 00 04.54 +30 51 04.5 R G45
2014-01-07 08:27:23 C 09 00 04.20 +30 51 10.0 R G45
2014-01-07 08:59:13 C 09 00 03.47 +30 51 19.9 R G45
2014-01-07 09:16:00 C 09 00 03.12 +30 51 24.6 R G45
2014-02-21 04:46:27 C 08 31 12.72 +34 51 23.1 v H06
2014-02-21 04:50:45 C 08 31 12.62 +34 51 23.0 v H06
2014-02-21 04:55:02 C 08 31 12.48 +34 51 23.1 v H06
2014-02-21 06:45:18 C 08 31 10.02 +34 51 35.1 q G96
2014-02-21 06:52:04 C 08 31 09.85 +34 51 35.7 q G96
2014-02-21 06:58:49 C 08 31 09.70 +34 51 36.4 q G96
2014-02-21 07:05:35 C 08 31 09.56 +34 51 37.4 q G96
2014-02-26 20:03:15 C 08 28 27.40 +35 03 10.1 q C10
2014-02-26 20:34:13 C 08 28 26.81 +35 03 14.6 q C10
2014-12-29 14:45:52 C 12 56 20.477 +16 12 26.36 L F51
2014-12-29 15:04:33 C 12 56 20.908 +16 12 27.89 L F51
2014-12-29 15:23:21 C 12 56 21.358 +16 12 29.13 L F51
2014-12-29 15:42:21 C 12 56 21.803 +16 12 31.15 L F51
2015-04-13 07:05:02 C 12 39 26.210 +23 43 28.89 L F51
2015-04-13 07:21:59 C 12 39 25.789 +23 43 29.38 L F51
2015-04-13 07:38:53 C 12 39 25.386 +23 43 29.88 L F51