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
2005-03-18 20:54:23 C 10 06 53.95 +33 32 23.7 c 213
2005-03-19 11:10:59 C 10 06 39.70 +33 32 32.7 m D88
2005-03-19 11:20:57 C 10 06 39.51 +33 32 32.2 m D88
2005-03-19 11:30:55 C 10 06 39.29 +33 32 32.5 m D88
2005-03-29 21:36:07 C 10 03 46.15 +33 22 08.7 c 939
2005-03-29 21:42:48 C 10 03 46.11 +33 22 08.1 c 939
2005-03-29 21:49:31 C 10 03 46.07 +33 22 07.7 c 939
2005-03-31 12:29:02 C 10 03 32.68 +33 18 32.3 o 360
2005-03-31 12:33:07 C 10 03 32.67 +33 18 31.8 o 360
2005-04-01 00:11:30 C 10 03 29.15 +33 17 18.4 o A32
2005-04-01 00:29:15 C 10 03 29.06 +33 17 16.3 o A32
2005-04-01 20:45:10 C 10 03 24.20 +33 15 06.8 o A32
2005-04-01 21:02:56 C 10 03 24.14 +33 15 04.8 o A32
2005-04-02 22:06:09 C 10 03 19.26 +33 12 13.2 r 215
2005-04-02 22:07:03 C 10 03 19.23 +33 12 12.5 r 215
2005-04-03 20:11:02 C 10 03 16.38 +33 09 30.8 c A41
2005-04-03 20:55:56 C 10 03 16.24 +33 09 26.6 c A41
2005-04-03 21:41:05 C 10 03 16.18 +33 09 19.6 c A41
2005-04-05 14:28:59 C 10 03 13.95 +33 03 58.9 m D88
2005-04-05 14:38:57 C 10 03 13.90 +33 03 57.3 m D88
2005-04-05 14:48:55 C 10 03 13.93 +33 03 56.0 m D88
2005-04-05 20:30:00 C 10 03 14.16 +33 03 09.5 c J97
2005-04-05 20:37:38 C 10 03 14.14 +33 03 08.5 c J97
2005-04-09 12:31:00 C 10 03 24.53 +32 49 45.2 m D88
2005-04-09 12:40:58 C 10 03 24.50 +32 49 43.2 m D88
2005-04-09 12:50:55 C 10 03 24.52 +32 49 41.4 m D88
2005-04-23 14:29:28 C 10 06 52.86 +31 40 16.9 m 349
2005-04-23 14:32:40 C 10 06 52.95 +31 40 16.2 m 349
2005-04-23 14:35:51 C 10 06 53.00 +31 40 15.2 m 349
2005-04-29 13:30:38 C 10 09 34.73 +31 03 57.8 o 360
2005-04-29 13:35:00 C 10 09 34.82 +31 03 56.3 o 360
2005-04-30 04:33:37 C 10 09 53.96 +30 59 52.4 r 703
2005-04-30 04:45:27 C 10 09 54.18 +30 59 49.0 r 703
2005-04-30 04:57:08 C 10 09 54.43 +30 59 45.4 r 703
2005-04-30 05:08:50 C 10 09 54.72 +30 59 43.7 r 703
2005-05-03 12:38:59 C 10 11 43.86 +30 37 51.3 m D88
2005-05-03 12:43:57 C 10 11 43.88 +30 37 50.3 m D88
2005-05-03 12:48:55 C 10 11 44.09 +30 37 49.5 m D88
2005-05-03 13:59:42 C 10 11 45.81 +30 37 28.5 m 349
2005-05-03 14:02:53 C 10 11 45.90 +30 37 27.9 m 349
2005-05-03 14:06:05 C 10 11 45.96 +30 37 27.1 m 349
2005-05-08 03:40:50 C 10 14 34.92 +30 05 46.4 c 704
2005-05-08 03:55:21 C 10 14 35.33 +30 05 42.1 c 704
2005-05-08 04:10:08 C 10 14 35.81 +30 05 37.2 c 704
2005-05-09 03:51:27 C 10 15 14.99 +29 58 33.4 c 704
2005-05-09 04:07:11 C 10 15 15.55 +29 58 28.9 c 704
2005-05-09 04:36:33 C 10 15 16.21 +29 58 18.6 c 704
2005-05-09 04:51:17 C 10 15 16.73 +29 58 14.2 c 704
2005-05-26 20:48:25 C 10 29 15.96 +27 40 53.8 d 048
2005-05-26 20:51:39 C 10 29 16.08 +27 40 53.5 d 048