Gehrels 2 (78P)

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2016-01-21 (JD 2457408.5)
Eccentricity (e)0.4611833286 ± 9.95e-08
Semi-major axis (a)3.7374830666 AU ± 6.30e-08
Inclination (i)6.25032147° ± 4.77e-06
Long. of Asc. Node (Ω)210.55899221° ± 3.97e-05
Arg. of Perihelion (ω)192.73377389° ± 4.80e-05
Mean Anomaly (M)200.64643491° ± 1.31e-05
Mean Motion (n)0.1364065495°/day ± 3.45e-09
Perihelion dist (q)2.01381819 AU ± 3.73e-07
Aphelion dist (Q)5.46114795 AU ± 3.83e-07
Orbital Period7.22565219 yr ± 1.83e-07
Orbit Solution
SourceJPL
Solution Date2026-03-07 15:22:14
RMS Residual0.611″
Uncertainty0
Orbit TypeJupiter-family Comet
MOID1.022970 AU
Observations Used6064
Oppositions—
Arc Total2011-2026
First Observation Used—
Last Observation Used2026-01-25
Observations (8697)
Date Type RA Dec Mag Band Observatory
2011-08-27 09:01:42 C 00 01 07.67 +07 29 59.7 – t H47
2011-08-27 09:29:52 C 00 01 07.35 +07 29 56.9 – t H47
2011-08-27 09:43:36 C 00 01 07.20 +07 29 55.6 – t H47
2011-08-27 21:46:46 C 00 01 00.33 +07 28 44.5 – u A13
2011-08-27 22:39:21 C 00 00 59.71 +07 28 39.3 – u 235
2011-08-27 22:44:11 C 00 00 59.66 +07 28 38.9 – u 235
2011-08-27 22:48:20 C 00 00 59.64 +07 28 38.4 – u A13
2011-08-27 23:04:37 C 00 00 59.52 +07 28 37.3 – w J38
2011-08-27 23:09:48 C 00 00 59.46 +07 28 36.7 – w J38
2011-08-27 23:14:57 C 00 00 59.40 +07 28 36.2 – w J38
2011-08-27 23:38:01 C 00 00 59.11 +07 28 33.9 – u 958
2011-08-27 23:51:19 C 00 00 58.94 +07 28 32.4 – u 958
2011-08-28 00:01:12 C 00 00 58.82 +07 28 31.5 – u 958
2011-08-28 00:14:14 C 00 00 58.69 +07 28 30.1 – u 958
2011-08-28 00:25:52 C 00 00 58.58 +07 28 29.4 – w J52
2011-08-28 00:30:29 C 00 00 58.53 +07 28 28.9 – w J52
2011-08-28 00:35:07 C 00 00 58.50 +07 28 28.7 – w J52
2011-08-28 00:53:16 C 00 00 58.25 +07 28 26.7 – w J59
2011-08-28 01:07:07 C 00 00 58.04 +07 28 25.2 – w J59
2011-08-28 01:21:12 C 00 00 57.98 +07 28 24.2 – w J59
2011-08-28 01:45:03 C 00 00 57.48 +07 28 21.2 – c 583
2011-08-28 01:46:29 C 00 00 57.46 +07 28 21.0 – c 583
2011-08-28 01:51:33 C 00 00 57.41 +07 28 20.7 – c 583
2011-08-28 09:37:14 C 00 00 52.47 +07 27 34.2 – t H47
2011-08-28 09:50:11 C 00 00 52.32 +07 27 32.8 – t H47
2011-08-28 14:18:40 C 00 00 49.80 +07 27 04.4 – u 900
2011-08-28 14:55:34 C 00 00 49.35 +07 27 00.6 – u 900
2011-08-28 16:57:56 C 00 00 47.80 +07 26 55.0 – u D90
2011-08-28 17:12:21 C 00 00 47.62 +07 26 53.4 – u D90
2011-08-28 17:19:05 C 00 00 47.53 +07 26 52.6 – u D90
2011-08-28 23:10:12 C 00 00 43.92 +07 26 06.8 – u 958
2011-08-28 23:22:20 C 00 00 43.77 +07 26 05.3 – u 958
2011-08-28 23:33:08 C 00 00 43.63 +07 26 04.9 – u 958
2011-08-28 23:46:02 C 00 00 43.43 +07 26 02.7 – u 958
2011-08-28 23:47:05 C 00 00 43.42 +07 26 02.1 – u C23
2011-08-28 23:50:09 C 00 00 43.36 +07 26 01.8 – u C23
2011-08-28 23:53:14 C 00 00 43.33 +07 26 01.4 – u C23
2011-08-28 23:56:19 C 00 00 43.30 +07 26 01.1 – u C23
2011-08-28 23:59:24 C 00 00 43.27 +07 26 00.8 – u C23
2011-08-29 00:02:29 C 00 00 43.22 +07 26 00.4 – u C23
2011-08-29 00:05:33 C 00 00 43.17 +07 26 00.0 – u C23
2011-08-29 00:08:38 C 00 00 43.15 +07 25 59.7 – u C23
2011-08-29 00:43:56 C 00 00 42.61 +07 25 56.4 – r 585
2011-08-29 00:45:44 C 00 00 42.58 +07 25 56.2 – r 585
2011-08-29 00:46:16 C 00 00 42.58 +07 25 55.6 – r 585
2011-08-29 00:49:53 C 00 00 42.53 +07 25 55.5 – r 585
2011-08-29 00:51:54 C 00 00 42.51 +07 25 55.2 – r 585
2011-08-29 00:53:55 C 00 00 42.50 +07 25 54.9 – r 585
2011-08-29 00:56:00 C 00 00 42.44 +07 25 54.6 – r 585
2011-08-29 00:57:02 C 00 00 42.44 +07 25 54.5 – r 585