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
2004-12-11 23:20:10 C 03 05 07.97 +11 16 41.6 – r A02
2004-12-11 23:28:52 C 03 05 07.86 +11 16 40.3 – o 204
2004-12-11 23:31:43 C 03 05 07.85 +11 16 40.0 – o 204
2004-12-11 23:39:38 C 03 05 07.85 +11 16 39.4 – o 204
2004-12-12 19:05:53 C 03 05 07.43 +11 14 56.7 – o 160
2004-12-12 19:10:43 C 03 05 07.42 +11 14 56.5 – o 160
2004-12-12 19:19:06 C 03 05 07.42 +11 14 55.6 – o 160
2004-12-12 20:57:28 C 03 05 07.39 +11 14 48.5 – c 945
2004-12-12 21:08:36 C 03 05 07.36 +11 14 47.1 – c 945
2004-12-12 21:18:21 C 03 05 07.35 +11 14 46.2 – c 945
2004-12-12 21:24:55 C 03 05 07.18 +11 14 45.5 – o 160
2004-12-12 21:28:53 C 03 05 07.33 +11 14 45.5 – c 945
2004-12-12 21:31:47 C 03 05 07.19 +11 14 44.8 – o 160
2004-12-12 21:37:35 C 03 05 07.32 +11 14 44.6 – c 945
2004-12-12 22:06:44 C 03 05 07.24 +11 14 42.8 – c 565
2004-12-12 22:22:42 C 03 05 07.20 +11 14 41.3 – c 565
2004-12-13 02:20:23 C 03 05 07.17 +11 14 30.5 – c 834
2004-12-13 02:41:52 C 03 05 07.14 +11 14 28.6 – c 834
2004-12-13 13:25:16 C 03 05 07.49 +11 13 29.6 – c D70
2004-12-13 13:30:35 C 03 05 07.47 +11 13 29.3 – c D70
2004-12-13 13:34:58 C 03 05 07.47 +11 13 28.9 – c D70
2004-12-13 18:50:49 C 03 05 07.90 +11 13 01.2 – o 084
2004-12-13 20:32:41 C 03 05 07.97 +11 12 55.3 – o 160
2004-12-13 20:37:15 C 03 05 07.96 +11 12 54.8 – o 160
2004-12-13 20:42:24 C 03 05 07.94 +11 12 55.0 – o 160
2004-12-13 20:46:22 C 03 05 07.93 +11 12 54.9 – o 160
2004-12-13 20:50:21 C 03 05 07.93 +11 12 54.3 – o 160
2004-12-15 00:28:23 C 03 05 10.67 +11 10 59.2 – c 945
2004-12-15 00:33:25 C 03 05 10.68 +11 10 59.0 – c 945
2004-12-15 00:36:00 C 03 05 10.68 +11 10 58.8 – c 945
2004-12-15 00:41:17 C 03 05 10.67 +11 10 58.5 – c 945
2004-12-15 00:44:49 C 03 05 10.71 +11 10 58.2 – c 945
2004-12-15 20:04:42 C 03 05 14.49 +11 09 48.6 – c 213
2004-12-15 20:05:57 C 03 05 14.49 +11 09 48.5 – c 213
2004-12-15 20:07:10 C 03 05 14.49 +11 09 48.4 – c 213
2004-12-15 20:43:33 C 03 05 14.54 +11 09 45.2 – r 138
2004-12-15 21:48:10 C 03 05 14.67 +11 09 41.4 – r 138
2004-12-17 01:25:15 C 03 05 21.72 +11 08 26.9 – r 834
2004-12-17 02:06:27 C 03 05 21.88 +11 08 25.0 – r 834
2004-12-17 11:00:48 C 03 05 24.87 +11 07 52.9 – r 379
2004-12-17 11:07:23 C 03 05 24.88 +11 07 52.7 – r 379
2004-12-17 11:09:03 C 03 05 24.91 +11 07 53.3 – r 379
2004-12-17 13:55:19 C 03 05 25.56 +11 07 45.9 – m 349
2004-12-17 13:58:43 C 03 05 25.58 +11 07 45.7 – m 349
2004-12-17 14:04:55 C 03 05 25.59 +11 07 45.6 – m 349
2004-12-17 21:52:14 C 03 05 28.42 +11 07 27.2 – c J78
2004-12-17 21:52:49 C 03 05 28.43 +11 07 26.4 – c J78
2004-12-17 21:53:36 C 03 05 28.42 +11 07 26.9 – c J78
2004-12-18 01:30:06 C 03 05 29.49 +11 07 18.3 – c J76
2004-12-18 01:31:11 C 03 05 29.47 +11 07 18.2 – c J76