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
2017-06-03 08:14:36 C 16 25 52.55 -19 56 11.2 – o 291
2017-06-03 08:25:23 C 16 25 52.24 -19 56 10.1 – o 291
2017-06-03 08:36:10 C 16 25 51.91 -19 56 09.3 – o 291
2017-06-20 08:28:37 C 16 14 20.020 -19 20 37.40 – L F51
2017-06-20 08:44:37 C 16 14 19.579 -19 20 36.11 – L F51
2017-06-20 09:00:38 C 16 14 19.150 -19 20 34.62 – L F51
2017-06-29 05:25:23 C 16 09 08.18 -19 04 04.4 – o 291
2017-06-29 05:36:10 C 16 09 07.92 -19 04 03.5 – o 291
2017-06-29 05:46:58 C 16 09 07.67 -19 04 02.1 – o 291
2017-06-30 04:25:45 C 16 08 37.54 -19 02 26.0 – o 291
2017-06-30 04:36:33 C 16 08 37.35 -19 02 25.2 – o 291
2017-06-30 04:47:20 C 16 08 37.13 -19 02 24.6 – o 291
2018-04-20 18:42:29 C 20 53 13.30 -13 14 43.3 – q Q11
2018-04-20 18:55:22 C 20 53 13.94 -13 14 40.1 – q Q11
2018-04-25 17:25:52 C 20 59 07.01 -12 41 02.8 – v Q62
2018-04-25 17:29:11 C 20 59 07.19 -12 41 02.1 – v Q62
2018-04-25 17:32:30 C 20 59 07.34 -12 41 00.8 – v Q62
2018-05-15 17:55:49 C 21 20 46.03 -10 22 13.2 – q Q11
2018-05-15 18:08:40 C 21 20 46.55 -10 22 10.0 – q Q11
2018-05-21 10:51:57 C 21 26 09.50 -09 42 49.0 – U G96
2018-05-21 10:55:24 C 21 26 09.62 -09 42 48.2 – U G96
2018-05-21 10:58:52 C 21 26 09.74 -09 42 46.7 – U G96
2018-05-21 11:02:18 C 21 26 09.87 -09 42 46.1 – U G96
2018-06-13 15:47:00 C 21 43 29.24 -07 12 00.2 – q Q11
2018-06-13 15:55:43 C 21 43 29.44 -07 11 57.9 – q Q11
2018-06-13 16:04:27 C 21 43 29.64 -07 11 55.8 – q Q11
2018-06-18 09:11:00 C 21 45 55.82 -06 44 37.6 – U G96
2018-06-18 09:18:26 C 21 45 55.94 -06 44 35.8 – U G96
2018-06-18 09:25:54 C 21 45 56.09 -06 44 34.1 – U G96
2018-06-18 09:33:21 C 21 45 56.22 -06 44 32.5 – U G96
2018-06-21 00:01:54 C 21 47 06.14 -06 30 09.2 – q K77
2018-06-21 00:05:04 C 21 47 06.25 -06 30 10.2 – q K77
2018-06-23 13:12:29 C 21 48 06.922 -06 16 37.77 – U F51
2018-06-23 13:30:43 C 21 48 07.176 -06 16 33.84 – U F51
2018-06-23 13:48:55 C 21 48 07.436 -06 16 29.89 – U F51
2018-06-23 14:07:08 C 21 48 07.678 -06 16 26.87 – U F51
2018-06-25 13:23:29 C 21 48 49.28 -06 06 21.6 – U T05
2018-06-25 13:40:28 C 21 48 49.47 -06 06 18.6 – U T05
2018-06-25 13:54:45 C 21 48 49.68 -06 06 15.3 – U T05
2018-06-25 14:06:26 C 21 48 49.80 -06 06 13.4 – U T05
2018-07-07 00:27:31 C 21 51 13.14 -05 15 40.1 – Q Z55
2018-07-07 00:30:04 C 21 51 13.19 -05 15 40.2 – Q Z55
2018-07-07 00:32:32 C 21 51 13.20 -05 15 39.3 – Q Z55
2018-07-07 00:35:01 C 21 51 13.21 -05 15 38.9 – Q Z55
2018-07-09 01:52:59 C 21 51 20.25 -05 08 11.6 18.0 q 215
2018-07-09 01:54:51 C 21 51 20.25 -05 08 11.3 18.1 q 215
2018-07-09 01:56:41 C 21 51 20.24 -05 08 10.9 18.0 q 215
2018-07-13 02:53:11 C 21 51 17.40 -04 55 04.9 – q J43
2018-07-13 03:05:40 C 21 51 17.36 -04 55 03.3 – q J43
2018-07-13 03:18:11 C 21 51 17.30 -04 55 01.6 – q J43