13P

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2020-12-10 (JD 2459193.5)
Eccentricity (e)0.9297090702 ± 3.19e-08
Semi-major axis (a)16.6888593039 AU ± 1.52e-07
Inclination (i)44.62417343° ± 1.37e-05
Long. of Asc. Node (Ω)85.87217989° ± 1.51e-05
Arg. of Perihelion (ω)64.51127082° ± 3.03e-05
Mean Anomaly (M)341.22493651° ± 4.64e-07
Mean Motion (n)0.0144565311°/day ± 1.97e-10
Perihelion dist (q)1.17307544 AU ± 5.33e-07
Aphelion dist (Q)32.20464317 AU ± 6.08e-07
Orbital Period68.17861620 yr ± 9.30e-07
Orbit Solution
SourceJPL
Solution Date2026-07-28 14:18:43
RMS Residual0.568″
Uncertainty0
Orbit TypeHalley-type Comet*
MOID0.470257 AU
Observations Used2605
Oppositions
Arc Total1887-2025
First Observation Used
Last Observation Used2025-07-31
Observations (2783)
Date Type RA Dec Mag Band Observatory
2023-10-14 18:12:54 C 04 23 27.29 -19 30 35.5 V Q62
2023-10-17 09:29:42 C 04 22 08.562 -19 45 32.51 V G96
2023-10-17 09:37:58 C 04 22 08.364 -19 45 34.31 V G96
2023-10-17 09:46:17 C 04 22 08.177 -19 45 35.71 V G96
2023-10-17 09:54:34 C 04 22 07.986 -19 45 37.55 V G96
2023-10-17 17:07:49 C 04 21 58.33 -19 47 14.5 X Q62
2023-10-17 17:44:08 C 04 21 57.43 -19 47 23.0 X Q62
2023-10-18 16:56:23 C 04 21 25.52 -19 52 43.0 m 349
2023-10-18 17:21:52 C 04 21 24.86 -19 52 48.3 m 349
2023-10-19 15:13:17 C 04 20 53.66 -19 57 41.2 X Q62
2023-10-19 15:32:30 C 04 20 53.16 -19 57 46.1 X Q62
2023-10-19 15:50:30 C 04 20 52.69 -19 57 49.8 X Q62
2023-10-19 16:07:20 C 04 20 52.25 -19 57 53.7 X Q62
2023-10-20 09:27:04 C 04 20 26.480 -20 01 46.52 V 703
2023-10-20 09:34:39 C 04 20 26.383 -20 01 48.29 V 703
2023-10-20 09:49:49 C 04 20 25.854 -20 01 52.18 V 703
2023-10-21 03:19:00 C 04 19 59.32 -20 05 37.6 V W87
2023-10-21 03:29:29 C 04 19 59.00 -20 05 39.9 V W87
2023-10-21 12:48:34 C 04 19 44.246 -20 07 43.49 X F52
2023-10-21 13:03:30 C 04 19 43.845 -20 07 46.57 X F52
2023-10-21 13:18:28 C 04 19 43.437 -20 07 49.84 X F52
2023-10-21 13:33:25 C 04 19 43.030 -20 07 53.10 X F52
2023-10-21 16:42:41 C 04 19 38.222 -20 08 33.58 q Q21
2023-10-21 17:06:16 C 04 19 37.464 -20 08 41.78 q Q21
2023-10-23 17:53:00 C 04 18 16.77 -20 18 48.8 V Q62
2023-10-23 18:08:44 C 04 18 16.33 -20 18 51.8 V Q62
2023-10-24 15:29:09 C 04 17 39.29 -20 23 10.6 X Q62
2023-10-24 15:48:23 C 04 17 38.67 -20 23 14.1 X Q62
2023-10-24 16:08:58 C 04 17 38.10 -20 23 19.1 X Q62
2023-11-03 12:03:42 C 04 09 32.225 -21 02 51.09 X F51
2023-11-03 12:38:10 C 04 09 30.841 -21 02 55.60 X F51
2023-11-03 12:55:26 C 04 09 30.149 -21 02 57.88 X F51
2023-11-04 09:20:53 C 04 08 41.845 -21 05 34.01 V 703
2023-11-04 09:28:13 C 04 08 41.510 -21 05 33.14 V 703
2023-11-04 09:35:32 C 04 08 41.233 -21 05 34.15 V 703
2023-11-04 09:42:53 C 04 08 40.895 -21 05 35.45 V 703
2023-11-06 02:12:25 C 04 07 02.30 -21 10 11.5 V L09
2023-11-06 02:17:28 C 04 07 02.08 -21 10 11.9 V L09
2023-11-06 02:22:31 C 04 07 01.87 -21 10 12.4 V L09
2023-11-06 23:17:10 C 04 06 09.73 -21 12 24.9 q L27
2023-11-06 23:33:19 C 04 06 09.05 -21 12 26.8 q L27
2023-11-06 23:49:27 C 04 06 08.37 -21 12 28.4 q L27
2023-11-08 00:26:34 C 04 05 05.491 -21 14 46.10 Z 213
2023-11-08 01:03:13 C 04 05 03.886 -21 14 49.27 Z 213
2023-11-08 01:40:03 C 04 05 02.266 -21 14 52.58 Z 213
2023-11-08 04:51:46 C 04 04 54.15 -21 15 08.7 X W62
2023-11-08 04:56:22 C 04 04 53.94 -21 15 09.7 X W62
2023-11-08 05:00:27 C 04 04 53.79 -21 15 10.0 X W62
2023-11-08 13:59:04 C 04 04 30.42 -21 15 53.8 q D95
2023-11-08 14:20:28 C 04 04 29.54 -21 15 57.1 q 903