139P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2011-03-18 (JD 2455638.5)
Eccentricity (e)0.2475621026 ± 1.73e-07
Semi-major axis (a)4.5231196176 AU ± 8.22e-08
Inclination (i)2.32907670° ± 1.83e-05
Long. of Asc. Node (Ω)242.35794083° ± 3.27e-04
Arg. of Perihelion (ω)165.79103526° ± 3.33e-04
Mean Anomaly (M)108.73049424° ± 4.96e-05
Mean Motion (n)0.1024582572°/day ± 2.79e-09
Perihelion dist (q)3.40336661 AU ± 7.84e-07
Aphelion dist (Q)5.64287262 AU ± 7.89e-07
Orbital Period9.61978381 yr ± 2.62e-07
Orbit Solution
SourceJPL
Solution Date2026-07-28 14:32:31
RMS Residual0.705″
Uncertainty0
Orbit TypeJupiter-family Comet
MOID2.414270 AU
Observations Used564
Oppositions
Arc Total1939-2026
First Observation Used
Last Observation Used2026-07-26
Observations (581)
Date Type RA Dec Mag Band Observatory
1999-02-17 11:53:30 C 03 35 39.90 +18 51 55.8 360
1999-02-17 12:00:00 C 03 35 40.03 +18 51 56.5 360
1999-03-16 02:59:22 C 04 00 06.76 +20 01 06.5 691
1999-03-16 03:27:13 C 04 00 07.90 +20 01 09.9 691
2007-08-13 00:36:50 C 01 09 38.97 +09 56 04.3 r 215
2007-08-14 22:35:59 C 01 09 46.71 +09 57 32.3 r 215
2007-09-06 21:56:07 C 01 06 31.82 +09 44 00.1 c B42
2007-09-06 22:21:40 C 01 06 31.82 +09 44 00.0 c B42
2007-09-06 22:47:15 C 01 06 31.09 +09 43 57.5 c B42
2007-09-08 22:41:23 C 01 05 50.03 +09 40 02.5 o A77
2007-09-08 23:20:08 C 01 05 49.40 +09 39 58.8 o A77
2007-09-08 23:57:50 C 01 05 48.83 +09 39 55.9 o A77
2007-09-09 00:35:26 C 01 05 48.28 +09 39 52.6 o A77
2007-09-09 01:50:38 C 01 05 47.06 +09 39 46.1 o A77
2007-09-09 02:00:58 C 01 05 46.81 +09 39 44.3 c A24
2007-09-09 02:02:24 C 01 05 46.86 +09 39 45.7 c A24
2007-09-09 02:16:26 C 01 05 46.66 +09 39 43.8 o 204
2007-09-09 02:26:32 C 01 05 46.42 +09 39 42.7 c A24
2007-09-09 02:52:04 C 01 05 46.04 +09 39 40.7 c A24
2007-09-09 03:16:12 C 01 05 45.62 +09 39 38.6 c A24
2007-09-09 03:17:38 C 01 05 45.60 +09 39 38.1 c A24
2007-09-09 03:46:32 C 01 05 45.25 +09 39 35.8 o 204
2007-09-09 16:10:24 C 01 05 34.08 +09 38 34.7 r 415
2007-09-09 16:25:33 C 01 05 33.79 +09 38 32.6 r 415
2007-09-13 00:06:34 C 01 04 15.72 +09 30 49.8 c 586
2007-09-13 00:40:22 C 01 04 15.14 +09 30 46.4 c 586
2007-09-13 01:13:42 C 01 04 14.57 +09 30 42.7 c 586
2007-09-13 07:07:16 C 01 04 08.50 +09 30 06.2 o 699
2007-09-13 07:44:08 C 01 04 07.89 +09 30 03.2 o 699
2007-09-13 08:21:01 C 01 04 07.11 +09 29 58.8 o 699
2007-09-13 08:57:53 C 01 04 06.45 +09 29 54.3 o 699
2007-09-14 07:38:26 C 01 03 42.37 +09 27 29.6 r G96
2007-09-14 07:46:42 C 01 03 42.22 +09 27 28.7 r G96
2007-09-14 08:02:24 C 01 03 41.90 +09 27 26.9 r G96
2007-09-14 08:10:39 C 01 03 41.79 +09 27 26.3 r G96
2007-09-14 09:48:30 C 01 03 39.85 +09 27 15.6 o 699
2007-09-14 10:25:19 C 01 03 39.21 +09 27 11.3 o 699
2007-09-14 11:02:11 C 01 03 38.54 +09 27 08.3 o 699
2007-09-14 11:38:58 C 01 03 37.80 +09 27 04.2 o 699
2007-09-15 00:55:38 C 01 03 23.48 +09 25 36.0 c 586
2007-09-15 01:25:17 C 01 03 22.95 +09 25 32.5 c 586
2007-09-15 01:58:20 C 01 03 22.30 +09 25 28.7 c 586
2007-09-19 00:23:43 C 01 01 32.64 +09 14 14.8 r 130
2007-09-19 00:32:59 C 01 01 32.47 +09 14 13.6 r 130
2007-09-19 00:41:54 C 01 01 32.23 +09 14 12.1 r 130
2007-09-20 22:22:13 C 01 00 35.54 +09 08 18.3 c B42
2007-09-21 09:36:16 C 01 00 21.21 +09 06 49.5 c 704
2007-09-21 09:53:55 C 01 00 20.85 +09 06 48.0 c 704
2007-09-21 10:11:29 C 01 00 20.41 +09 06 45.0 c 704
2007-09-21 10:46:31 C 01 00 19.63 +09 06 41.2 c 704