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
2018-11-09 02:56:04 C 21 56 35.21 -06 59 44.9 – V 703
2018-11-09 03:03:40 C 21 56 35.64 -06 59 43.8 – V 703
2018-11-09 17:55:21 C 21 57 28.14 -06 57 24.1 – q C23
2018-11-09 17:59:30 C 21 57 28.41 -06 57 24.4 – q C23
2018-11-09 18:05:49 C 21 57 28.81 -06 57 22.8 – q C23
2018-11-10 10:03:47 C 21 58 25.59 -06 54 40.1 – q Q68
2018-11-10 10:49:12 C 21 58 28.24 -06 54 32.8 – q Q68
2018-11-10 11:27:46 C 21 58 30.52 -06 54 26.5 – q Q68
2018-11-10 12:22:00 C 21 58 33.70 -06 54 17.4 – q Q68
2018-11-11 21:00:12 C 22 00 32.12 -06 48 52.1 – q J22
2018-11-11 21:03:16 C 22 00 32.31 -06 48 51.2 – q J22
2018-11-11 21:06:06 C 22 00 32.48 -06 48 50.8 – q J22
2018-11-12 02:48:05 C 22 00 53.46 -06 47 51.5 – V 703
2018-11-12 02:56:15 C 22 00 53.90 -06 47 50.4 – V 703
2018-11-12 03:04:24 C 22 00 54.45 -06 47 49.7 – V 703
2018-11-12 03:12:34 C 22 00 54.95 -06 47 48.6 – V 703
2018-11-12 07:26:29 C 22 01 10.36 -06 47 00.9 – V T05
2018-11-12 07:40:37 C 22 01 11.23 -06 46 58.7 – V T05
2018-11-12 07:54:47 C 22 01 12.05 -06 46 56.6 – V T05
2018-11-12 08:09:16 C 22 01 12.91 -06 46 53.6 – V T05
2018-11-13 02:38:37 C 22 02 21.63 -06 43 34.9 – V G96
2018-11-13 02:46:03 C 22 02 22.09 -06 43 33.6 – V G96
2018-11-13 02:53:29 C 22 02 22.54 -06 43 32.2 – V G96
2018-11-13 03:00:54 C 22 02 23.00 -06 43 30.6 – V G96
2018-11-26 06:48:27 C 22 23 36.14 -05 31 52.6 – U T08
2018-11-26 07:02:32 C 22 23 37.14 -05 31 48.9 – U T08
2018-11-26 07:16:45 C 22 23 38.16 -05 31 45.0 – U T08
2018-11-26 07:30:58 C 22 23 39.12 -05 31 40.9 – U T08
2018-11-27 02:04:31 C 22 24 59.40 -05 26 33.7 – U W88
2018-11-27 02:16:42 C 22 25 00.31 -05 26 30.1 – U W88
2018-11-28 03:01:11 C 22 26 48.26 -05 19 44.4 – V 703
2018-11-28 03:08:59 C 22 26 48.78 -05 19 42.5 – V 703
2018-11-28 03:16:45 C 22 26 49.36 -05 19 40.3 – V 703
2018-11-28 03:24:33 C 22 26 49.92 -05 19 38.4 – V 703
2018-11-28 06:44:35 C 22 27 04.50 -05 18 40.7 – U T05
2018-11-28 06:58:35 C 22 27 05.47 -05 18 36.8 – U T05
2018-11-28 07:12:42 C 22 27 06.51 -05 18 32.8 – U T05
2018-11-28 07:26:53 C 22 27 07.52 -05 18 28.5 – U T05
2018-11-28 19:02:40 C 22 27 58.63 -05 15 12.6 – Q 212
2018-11-28 19:08:54 C 22 27 59.07 -05 15 11.0 – Q 212
2018-11-28 19:16:07 C 22 27 59.67 -05 15 08.5 – Q 212
2018-11-29 11:13:39 C 22 29 09.91 -05 10 35.0 – q Q11
2018-11-29 11:18:48 C 22 29 10.28 -05 10 33.3 – q Q11
2018-11-29 11:29:06 C 22 29 11.05 -05 10 30.5 – q Q11
2018-11-29 19:11:40 C 22 29 45.37 -05 08 17.6 – q I81
2018-11-29 19:15:50 C 22 29 45.68 -05 08 16.5 – q I81
2018-11-29 19:20:01 C 22 29 45.95 -05 08 16.2 – q I81
2018-11-30 06:36:37 C 22 30 35.98 -05 04 55.2 – V T08
2018-11-30 06:47:56 C 22 30 36.85 -05 04 52.0 – V T08
2018-11-30 07:00:40 C 22 30 37.75 -05 04 48.3 – V T08