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
2011-10-21 20:53:37 C 23 36 22.44 +01 38 57.4 – w C74
2011-10-21 20:53:57 C 23 36 22.29 +01 38 55.6 – t B96
2011-10-21 21:00:26 C 23 36 22.25 +01 38 54.1 – t B96
2011-10-21 21:27:07 C 23 36 22.15 +01 38 48.4 – w C74
2011-10-21 21:53:31 C 23 36 21.91 +01 38 40.5 – u 958
2011-10-21 22:07:16 C 23 36 21.81 +01 38 37.0 – w J38
2011-10-21 22:08:50 C 23 36 21.79 +01 38 36.6 – w J38
2011-10-21 22:10:24 C 23 36 21.78 +01 38 36.1 – w J38
2011-10-21 22:10:51 C 23 36 21.75 +01 38 35.7 – u 958
2011-10-21 22:26:11 C 23 36 21.60 +01 38 31.8 – u 958
2011-10-22 01:00:02 C 23 36 20.47 +01 37 50.5 – w 945
2011-10-22 01:12:36 C 23 36 20.39 +01 37 47.1 – w 945
2011-10-22 01:22:50 C 23 36 20.30 +01 37 44.5 – w 945
2011-10-22 01:38:10 C 23 36 20.21 +01 37 40.6 – w 945
2011-10-22 01:44:17 C 23 36 20.11 +01 37 38.7 – w 945
2011-10-22 19:30:58 C 23 36 14.50 +01 32 58.5 – t B96
2011-10-22 19:37:31 C 23 36 14.31 +01 32 55.1 – t B96
2011-10-22 19:44:04 C 23 36 14.31 +01 32 53.3 – t B96
2011-10-22 19:47:02 C 23 36 14.31 +01 32 53.7 – u 565
2011-10-22 19:50:37 C 23 36 14.23 +01 32 51.8 – t B96
2011-10-22 19:51:49 C 23 36 14.25 +01 32 52.2 – u 565
2011-10-22 19:57:08 C 23 36 14.19 +01 32 50.0 – t B96
2011-10-22 20:10:29 C 23 36 14.12 +01 32 46.9 – u C23
2011-10-22 20:12:34 C 23 36 14.13 +01 32 46.2 – u C23
2011-10-22 20:18:32 C 23 36 14.16 +01 32 45.4 – w J38
2011-10-22 20:21:30 C 23 36 14.14 +01 32 44.8 – w J38
2011-10-22 20:24:01 C 23 36 14.12 +01 32 43.9 – w J38
2011-10-22 20:59:21 C 23 36 13.80 +01 32 34.2 – u C23
2011-10-22 21:01:26 C 23 36 13.79 +01 32 33.6 – u C23
2011-10-22 21:03:54 C 23 36 13.76 +01 32 33.6 – u 511
2011-10-22 21:28:54 C 23 36 13.60 +01 32 27.0 – u 511
2011-10-22 21:37:40 C 23 36 13.53 +01 32 24.0 – u C23
2011-10-22 21:39:45 C 23 36 13.55 +01 32 23.6 – u C23
2011-10-22 21:48:39 C 23 36 13.47 +01 32 21.7 – u 511
2011-10-22 22:13:22 C 23 36 13.37 +01 32 15.7 – u 958
2011-10-22 22:13:47 C 23 36 13.29 +01 32 15.1 – u B83
2011-10-22 22:28:37 C 23 36 13.24 +01 32 11.9 – u 958
2011-10-22 22:42:35 C 23 36 13.11 +01 32 07.8 – u B83
2011-10-22 22:45:22 C 23 36 13.18 +01 32 07.5 – u 958
2011-10-22 23:04:55 C 23 36 13.01 +01 32 01.5 – w 945
2011-10-22 23:20:19 C 23 36 12.92 +01 31 57.4 – w 945
2011-10-22 23:30:04 C 23 36 12.84 +01 31 55.0 – w 945
2011-10-22 23:40:05 C 23 36 12.78 +01 31 52.4 – w 945
2011-10-22 23:52:14 C 23 36 12.72 +01 31 49.3 – w 945
2011-10-23 05:08:36 C 23 36 11.17 +01 30 30.7 – c 704
2011-10-23 05:43:05 C 23 36 10.88 +01 30 21.0 – c 704
2011-10-23 06:00:24 C 23 36 10.74 +01 30 16.3 – c 704
2011-10-23 20:12:02 C 23 36 07.33 +01 26 36.6 – u 958
2011-10-23 20:28:54 C 23 36 07.26 +01 26 32.4 – u 958
2011-10-23 20:45:50 C 23 36 07.14 +01 26 28.2 – u 958