Shoemaker-Levy 2 (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 (1242)
Date Type RA Dec Mag Band Observatory
2009-08-18 11:22:18 C 05 23 31.06 +22 56 31.0 – o 691
2009-08-18 11:40:33 C 05 23 32.53 +22 56 31.1 – o 691
2009-08-18 11:58:48 C 05 23 33.99 +22 56 31.1 – o 691
2009-08-25 02:13:18 C 05 36 03.15 +22 53 26.6 – r 215
2009-08-25 02:15:50 C 05 36 03.37 +22 53 25.8 – r 215
2009-08-25 02:18:22 C 05 36 03.58 +22 53 25.3 – r 215
2009-09-16 10:03:56 C 06 12 39.88 +22 14 13.3 – o 291
2009-09-16 10:11:12 C 06 12 40.36 +22 14 12.6 – o 291
2009-09-16 10:17:04 C 06 12 40.86 +22 14 11.9 – o 291
2009-09-27 09:43:56 C 06 26 52.18 +21 43 29.2 – c 704
2009-09-27 10:01:20 C 06 26 53.07 +21 43 27.0 – c 704
2009-09-27 10:18:49 C 06 26 53.96 +21 43 25.0 – c 704
2009-09-27 10:36:19 C 06 26 54.74 +21 43 22.5 – c 704
2009-09-27 10:53:49 C 06 26 55.69 +21 43 20.0 – c 704
2009-09-30 02:33:08 C 06 29 55.21 +21 35 13.5 – v 204
2009-09-30 02:41:09 C 06 29 55.55 +21 35 12.6 – v 204
2009-10-10 03:30:02 C 06 39 36.35 +21 03 19.0 – c A79
2009-10-10 03:37:04 C 06 39 36.62 +21 03 18.1 – c A79
2009-10-15 03:55:33 C 06 43 24.72 +20 47 03.3 – o C08
2009-10-28 00:41:10 C 06 49 44.85 +20 06 41.2 – w J40
2009-10-28 00:49:45 C 06 49 44.95 +20 06 39.2 – w J40
2009-10-28 00:57:29 C 06 49 45.07 +20 06 37.3 – w J40
2009-11-03 17:03:00 C 06 51 00.27 +19 47 16.7 – m 349
2009-11-03 17:19:49 C 06 51 00.34 +19 47 14.5 – m 349
2009-11-13 01:49:48 C 06 50 23.40 +19 22 52.7 – w J47
2009-11-13 02:03:43 C 06 50 23.27 +19 22 51.4 – w J47
2009-11-13 02:19:58 C 06 50 23.12 +19 22 50.0 – w J47
2009-11-13 04:46:47 C 06 50 21.56 +19 22 34.0 – w B54
2009-11-13 04:50:51 C 06 50 21.52 +19 22 33.5 – w B54
2009-11-13 04:54:54 C 06 50 21.48 +19 22 33.1 – w B54
2009-11-18 09:02:41 C 06 48 49.70 +19 10 45.3 – c 704
2009-11-18 09:20:29 C 06 48 49.36 +19 10 44.0 – c 704
2009-11-18 09:38:17 C 06 48 49.07 +19 10 42.4 – c 704
2009-11-18 09:56:06 C 06 48 48.80 +19 10 41.3 – c 704
2009-11-18 10:13:55 C 06 48 48.51 +19 10 40.1 – c 704
2009-11-19 15:45:55 C 06 48 19.48 +19 08 01.7 – r 900
2009-11-19 16:02:48 C 06 48 19.26 +19 08 00.0 – r 900
2009-11-21 07:42:42 C 06 47 36.15 +19 04 36.3 – c 704
2009-11-21 08:00:17 C 06 47 35.83 +19 04 34.8 – c 704
2009-11-21 08:17:55 C 06 47 35.44 +19 04 33.3 – c 704
2009-11-21 08:35:32 C 06 47 35.06 +19 04 31.2 – c 704
2009-11-22 23:19:06 C 06 46 48.54 +19 01 18.7 – w J28
2009-11-22 23:28:58 C 06 46 48.35 +19 01 17.9 – w J28
2009-11-22 23:38:50 C 06 46 48.19 +19 01 17.2 – w J28
2009-11-25 07:56:28 C 06 45 32.70 +18 56 52.2 – u H45
2009-11-25 08:00:24 C 06 45 32.61 +18 56 52.0 – u H45
2009-11-25 08:01:46 C 06 45 32.57 +18 56 51.7 – u H45
2009-11-25 08:05:09 C 06 45 32.49 +18 56 51.5 – u H45
2009-11-25 08:16:02 C 06 45 32.20 +18 56 50.3 – u H45
2009-11-25 08:20:51 C 06 45 32.10 +18 56 50.2 – u H45