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
2019-01-03 18:57:04 C 22 57 48.29 -04 19 02.3 – Q Z55
2019-01-04 16:51:05 C 22 59 27.13 -04 11 15.1 – q 160
2019-01-04 16:55:07 C 22 59 27.43 -04 11 13.7 – q 160
2019-01-04 16:59:10 C 22 59 27.73 -04 11 12.1 – q 160
2019-01-04 18:19:04 C 22 59 33.77 -04 10 43.2 – Q J01
2019-01-04 18:31:48 C 22 59 34.79 -04 10 37.9 – Q J01
2019-01-04 18:48:43 C 22 59 36.06 -04 10 32.1 – Q J01
2019-01-05 05:30:35 C 23 00 24.58 -04 06 40.5 – V T08
2019-01-05 05:41:24 C 23 00 25.40 -04 06 36.4 – V T08
2019-01-05 05:51:04 C 23 00 26.12 -04 06 33.0 – V T08
2019-01-05 06:00:31 C 23 00 26.83 -04 06 29.6 – V T08
2019-01-06 17:01:14 C 23 03 06.60 -03 53 49.7 – q K56
2019-01-06 17:10:35 C 23 03 07.27 -03 53 45.4 – a 233
2019-01-06 17:18:05 C 23 03 07.85 -03 53 42.4 – a 233
2019-01-06 17:20:00 C 23 03 07.98 -03 53 42.3 – q K56
2019-01-06 17:23:56 C 23 03 08.33 -03 53 40.1 – a 233
2019-01-06 17:32:23 C 23 03 08.83 -03 53 37.5 – q 160
2019-01-06 17:36:29 C 23 03 09.17 -03 53 36.4 – q 160
2019-01-06 17:40:37 C 23 03 09.45 -03 53 34.1 – q 160
2019-01-07 05:22:34 C 23 04 03.04 -03 49 15.7 – V T05
2019-01-07 05:34:51 C 23 04 04.03 -03 49 10.8 – V T05
2019-01-07 05:46:27 C 23 04 04.91 -03 49 06.6 – V T05
2019-01-07 05:58:48 C 23 04 05.85 -03 49 02.1 – V T05
2019-01-09 01:40:22 C 23 07 27.43 -03 32 45.5 – V 703
2019-01-09 01:48:38 C 23 07 28.20 -03 32 41.2 – V 703
2019-01-09 01:56:52 C 23 07 28.80 -03 32 38.6 – V 703
2019-01-09 02:05:06 C 23 07 29.47 -03 32 34.8 – V 703
2019-01-09 05:58:08 C 23 07 47.14 -03 31 09.7 – V T08
2019-01-09 06:07:38 C 23 07 47.86 -03 31 06.4 – V T08
2019-01-09 06:16:22 C 23 07 48.54 -03 31 03.0 – V T08
2019-01-09 06:25:44 C 23 07 49.22 -03 30 59.7 – V T08
2019-01-12 17:34:32 C 23 14 17.70 -02 59 09.8 – a 233
2019-01-12 17:41:13 C 23 14 18.18 -02 59 06.7 – a 233
2019-01-12 17:50:10 C 23 14 18.94 -02 59 03.6 – a 233
2019-01-12 17:57:14 C 23 14 19.46 -02 59 00.8 – a 233
2019-01-12 18:04:19 C 23 14 20.01 -02 58 57.1 – a 233
2019-01-12 18:51:33 C 23 14 23.68 -02 58 39.2 – Q J01
2019-01-12 19:02:02 C 23 14 24.36 -02 58 35.6 – Q J01
2019-01-12 19:12:30 C 23 14 25.30 -02 58 31.3 – Q J01
2019-01-13 05:20:20 C 23 15 13.02 -02 54 32.6 – V T08
2019-01-13 05:31:58 C 23 15 13.93 -02 54 28.2 – V T08
2019-01-13 05:42:52 C 23 15 14.79 -02 54 23.8 – V T08
2019-01-13 05:53:06 C 23 15 15.60 -02 54 19.6 – V T08
2019-01-13 20:30:37 C 23 16 24.57 -02 48 36.2 – U G40
2019-01-13 20:35:08 C 23 16 24.91 -02 48 34.5 – U G40
2019-01-13 20:40:14 C 23 16 25.31 -02 48 32.4 – U G40
2019-01-13 20:45:10 C 23 16 25.72 -02 48 31.0 – U G40
2019-01-15 01:55:48 C 23 18 44.37 -02 36 55.3 – V 703
2019-01-15 02:01:39 C 23 18 44.83 -02 36 52.7 – V 703
2019-01-15 02:07:30 C 23 18 45.28 -02 36 50.8 – V 703