Wolf-Harrington (43P)

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2019-12-08 (JD 2458825.5)
Eccentricity (e)0.4441780746
Semi-major axis (a)4.2978569077 AU
Inclination (i)9.52651276°
Long. of Asc. Node (Ω)244.81945321°
Arg. of Perihelion (ω)223.73098180°
Mean Anomaly (M)131.47413722°
Mean Motion (n)0.1107101003°/day
Perihelion dist (q)2.38784680 AU
Aphelion dist (Q)6.20310368 AU
Orbital Period8.90276751 yr
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.359″
Uncertainty—
Orbit TypeJupiter-family Comet
MOID1.415696 AU
Observations Used42
Oppositions—
Arc Total2026-2026
First Observation Used—
Last Observation Used2026-03-07
Observations (5771)
Date Type RA Dec Mag Band Observatory
2017-02-18 18:51:42 C 12 23 47.32 -27 39 25.3 – q Q11
2017-02-19 04:28:22 C 12 23 30.71 -27 39 32.0 – q J22
2017-02-19 04:39:31 C 12 23 30.45 -27 39 31.1 – q J22
2017-02-20 04:41:25 C 12 22 48.23 -27 39 28.8 – U W88
2017-02-20 04:47:23 C 12 22 48.02 -27 39 28.7 – U W88
2017-02-20 04:53:36 C 12 22 47.84 -27 39 28.4 – U W88
2017-02-20 04:59:45 C 12 22 47.64 -27 39 28.6 – U W88
2017-02-23 09:49:21 C 12 20 20.92 -27 37 14.4 – q H47
2017-02-23 09:58:37 C 12 20 20.63 -27 37 13.8 – q H47
2017-02-23 10:06:46 C 12 20 20.33 -27 37 13.7 – q H47
2017-02-23 10:12:46 C 12 20 20.11 -27 37 13.1 – q H47
2017-02-23 10:18:50 C 12 20 19.90 -27 37 12.7 – q H47
2017-02-23 10:29:40 C 12 20 19.53 -27 37 11.5 – q H47
2017-02-24 14:13:45 C 12 19 22.98 -27 35 25.3 – L T08
2017-02-24 14:34:31 C 12 19 22.21 -27 35 22.8 – L T08
2017-02-24 14:53:57 C 12 19 21.51 -27 35 21.6 – L T08
2017-02-24 15:13:52 C 12 19 20.74 -27 35 20.3 – L T08
2017-02-24 15:44:13 C 12 19 20.19 -27 35 20.3 – q Q11
2017-02-24 16:04:21 C 12 19 19.48 -27 35 18.8 – q Q11
2017-02-26 09:22:48 C 12 17 51.73 -27 31 44.0 – q H47
2017-02-26 09:28:21 C 12 17 51.43 -27 31 43.1 – q H47
2017-02-26 09:40:12 C 12 17 50.94 -27 31 41.5 – q H47
2017-02-28 15:26:00 C 12 15 52.00 -27 25 25.0 – m 372
2017-02-28 15:34:44 C 12 15 51.62 -27 25 23.6 – m 372
2017-03-02 16:00:45 C 12 13 59.49 -27 18 09.8 – m 372
2017-03-02 16:10:30 C 12 13 59.10 -27 18 08.0 – m 372
2017-03-03 07:10:23 C 12 13 23.49 -27 15 29.9 – U W97
2017-03-03 08:00:36 C 12 13 21.40 -27 15 20.9 – U W97
2017-03-03 08:05:16 C 12 13 21.17 -27 15 21.9 – R G45
2017-03-03 08:12:16 C 12 13 20.80 -27 15 20.8 – R G45
2017-03-03 08:19:22 C 12 13 20.61 -27 15 19.5 – R G45
2017-03-03 08:26:31 C 12 13 20.49 -27 15 20.0 – R G45
2017-03-03 08:33:28 C 12 13 20.17 -27 15 18.4 – R G45
2017-03-03 09:30:05 C 12 13 17.87 -27 15 10.0 – q H47
2017-03-03 09:40:12 C 12 13 17.51 -27 15 08.9 – q H47
2017-03-03 09:56:34 C 12 13 16.79 -27 15 05.1 – q H47
2017-03-03 15:57:48 C 12 13 02.69 -27 14 01.4 – q Q11
2017-03-03 16:07:12 C 12 13 02.31 -27 14 00.0 – q Q11
2017-03-03 16:16:20 C 12 13 01.97 -27 13 58.2 – q Q11
2017-03-03 16:45:29 C 12 13 00.75 -27 13 52.9 – q 900
2017-03-03 16:55:46 C 12 13 00.32 -27 13 51.1 – q 900
2017-03-04 09:38:39 C 12 12 20.03 -27 10 44.8 – q H47
2017-03-04 09:56:13 C 12 12 19.29 -27 10 40.2 – q H47
2017-03-04 13:33:57 C 12 12 10.57 -27 09 58.2 – L T08
2017-03-04 13:54:18 C 12 12 09.69 -27 09 54.6 – L T08
2017-03-04 14:15:31 C 12 12 08.81 -27 09 50.0 – L T08
2017-03-04 14:35:48 C 12 12 07.97 -27 09 45.8 – L T08
2017-03-04 14:56:40 C 12 12 07.60 -27 09 45.2 – q D95
2017-03-04 14:59:50 C 12 12 07.39 -27 09 44.4 – q D95
2017-03-04 15:02:59 C 12 12 07.23 -27 09 43.4 – q D95