137P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2015-12-12 (JD 2457368.5)
Eccentricity (e)0.5720528838 ± 7.93e-08
Semi-major axis (a)4.5177758479 AU ± 8.10e-08
Inclination (i)4.85034577° ± 6.18e-06
Long. of Asc. Node (Ω)233.07340964° ± 1.29e-04
Arg. of Perihelion (ω)140.98796097° ± 1.27e-04
Mean Anomaly (M)247.29179673° ± 3.91e-06
Mean Motion (n)0.1026400973°/day ± 2.76e-09
Perihelion dist (q)1.93336915 AU ± 3.60e-07
Aphelion dist (Q)7.10218255 AU ± 3.80e-07
Orbital Period9.60274113 yr ± 2.58e-07
Orbit Solution
SourceJPL
Solution Date2026-05-22 14:12:30
RMS Residual0.422″
Uncertainty0
Orbit TypeJupiter-family Comet
MOID0.936211 AU
Observations Used1227
Oppositions
Arc Total1990-2026
First Observation Used
Last Observation Used2026-05-14
Observations (1239)
Date Type RA Dec Mag Band Observatory
1990-09-16 09:15:59 C 01 47 22.04 +17 49 56.0 u 261
1990-09-16 10:45:59 C 01 47 23.13 +17 49 58.9 u 261
1990-09-17 10:26:44 A 01 47 44.21 +17 50 28.3 675
1990-09-17 11:15:59 A 01 47 44.88 +17 50 29.5 675
1990-09-20 12:20:06 A 01 48 38.72 +17 50 24.1 675
1990-10-14 09:40:30 A 01 47 40.92 +16 30 33.1 675
1990-10-16 08:36:15 A 01 47 10.26 +16 18 54.3 675
1990-10-25 08:59:14 A 01 44 38.28 +15 20 06.4 675
1990-10-25 09:54:59 A 01 44 37.48 +15 19 49.5 675
1990-11-13 05:42:59 A 01 41 48.65 +13 20 01.7 675
1990-11-13 06:39:59 A 01 41 48.55 +13 19 47.1 675
1990-11-15 05:52:15 A 01 41 54.35 +13 09 36.5 675
1990-11-15 06:35:14 A 01 41 54.56 +13 09 25.6 675
1990-12-07 02:44:12 A 01 49 41.52 +12 06 21.3 688
1990-12-07 02:49:05 A 01 49 41.64 +12 06 21.1 688
1990-12-07 12:52:30 A 01 49 57.32 +12 06 05.0 372
1990-12-07 13:45:59 A 01 49 58.02 +12 06 04.5 372
1990-12-11 10:36:14 A 01 52 39.87 +12 05 17.7 568
1990-12-12 09:40:00 A 01 53 23.38 +12 05 32.8 568
1990-12-15 01:19:05 A 01 55 30.13 +12 07 04.9 801
1990-12-15 01:43:28 A 01 55 30.94 +12 07 05.5 801
1990-12-18 11:33:12 A 01 58 27.36 +12 11 06.4 413
1991-01-15 02:49:24 A 02 30 19.43 +13 41 24.5 688
1991-01-15 02:56:43 A 02 30 19.91 +13 41 26.1 688
1998-05-19 08:32:24 C 16 17 28.53 -20 20 43.7 696
1998-05-19 08:37:58 C 16 17 28.37 -20 20 42.8 696
1998-05-19 08:43:34 C 16 17 28.21 -20 20 42.7 696
1998-05-20 07:42:10 C 16 16 50.24 -20 18 41.0 696
1998-05-20 07:47:45 C 16 16 50.13 -20 18 40.4 696
1998-05-20 07:53:18 C 16 16 49.98 -20 18 39.8 696
1999-07-08 16:09:00 C 20 19 34.49 -12 50 47.7 360
1999-07-08 16:16:45 C 20 19 34.27 -12 50 47.6 360
1999-07-08 16:27:29 C 20 19 33.97 -12 50 47.5 360
1999-07-08 23:11:26 C 20 19 23.34 -12 50 44.6 627
1999-07-08 23:19:05 C 20 19 23.26 -12 50 47.0 627
1999-07-08 23:37:21 C 20 19 22.65 -12 50 45.5 627
1999-07-08 23:50:19 C 20 19 22.25 -12 50 46.4 627
1999-07-09 22:52:35 C 20 18 45.11 -12 50 44.3 627
1999-07-09 23:16:54 C 20 18 44.27 -12 50 42.8 627
1999-07-09 23:42:49 C 20 18 43.65 -12 50 43.1 627
1999-07-12 22:15:31 C 20 16 43.54 -12 51 05.6 627
1999-07-12 22:35:50 C 20 16 42.88 -12 51 07.6 159
1999-07-12 22:45:11 C 20 16 42.63 -12 51 06.8 159
1999-07-12 22:51:21 C 20 16 42.46 -12 51 06.9 159
1999-07-12 22:52:25 C 20 16 42.47 -12 51 04.9 627
1999-07-12 22:57:28 C 20 16 42.29 -12 51 06.6 159
1999-07-12 23:27:45 C 20 16 41.31 -12 51 07.6 159
1999-07-12 23:32:43 C 20 16 41.18 -12 51 06.5 627
1999-07-12 23:33:14 C 20 16 41.17 -12 51 07.4 159
1999-07-12 23:36:01 C 20 16 41.05 -12 51 07.0 159