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
2024-01-07 06:31:40 C 02 58 44.751 -13 37 27.66 X F52
2024-01-07 06:46:40 C 02 58 44.337 -13 37 17.22 X F52
2024-01-07 07:43:59 C 02 58 42.751 -13 36 37.44 V T05
2024-01-07 07:48:33 C 02 58 42.617 -13 36 34.31 V T05
2024-01-07 07:59:37 C 02 58 42.319 -13 36 26.57 V T05
2024-01-07 08:15:38 C 02 58 41.880 -13 36 15.30 V T05
2024-01-07 19:56:11 C 02 58 23.67 -13 28 06.6 V G06
2024-01-07 20:27:14 C 02 58 22.83 -13 27 44.8 V G06
2024-01-07 20:47:38 C 02 58 22.279 -13 27 30.38 V C23
2024-01-07 20:55:11 C 02 58 22.063 -13 27 25.06 V C23
2024-01-07 21:03:48 C 02 58 21.902 -13 27 19.73 V C23
2024-01-08 10:00:21 C 02 58 02.143 -13 18 13.10 q Q21
2024-01-08 10:07:55 C 02 58 01.908 -13 18 06.66 q Q21
2024-01-08 19:18:32 C 02 57 48.233 -13 11 37.10 Z 213
2024-01-08 19:44:53 C 02 57 47.549 -13 11 18.35 Z 213
2024-01-08 20:11:13 C 02 57 46.870 -13 10 59.70 Z 213
2024-01-08 20:19:45 C 02 57 46.651 -13 10 54.10 Z M09
2024-01-08 20:30:33 C 02 57 46.373 -13 10 46.41 Z M09
2024-01-08 20:40:35 C 02 57 46.113 -13 10 39.04 Z M09
2024-01-09 02:51:01 C 02 57 37.13 -13 06 15.5 U V16
2024-01-09 02:57:32 C 02 57 36.99 -13 06 11.4 U V16
2024-01-09 03:05:51 C 02 57 36.68 -13 06 04.3 U V16
2024-01-09 03:14:35 C 02 57 36.57 -13 05 59.1 U V16
2024-01-09 03:23:21 C 02 57 36.26 -13 05 52.3 U V16
2024-01-09 17:35:54 C 02 57 15.96 -12 55 42.7 X G02
2024-01-09 17:47:13 C 02 57 15.69 -12 55 35.2 X G02
2024-01-09 17:58:33 C 02 57 15.38 -12 55 27.7 X G02
2024-01-09 18:48:03 B 02 57 14.17 -12 54 51.6 X G00
2024-01-09 18:55:45 B 02 57 13.990 -12 54 46.69 V B50
2024-01-09 19:02:17 B 02 57 13.82 -12 54 41.4 X G00
2024-01-09 19:02:47 C 02 57 13.83 -12 54 41.2 V B96
2024-01-09 19:08:24 B 02 57 13.718 -12 54 37.08 V B50
2024-01-09 19:15:39 B 02 57 13.49 -12 54 31.8 X G00
2024-01-09 19:16:59 C 02 57 13.46 -12 54 30.0 V B96
2024-01-09 19:21:13 B 02 57 13.392 -12 54 28.26 V B50
2024-01-09 19:34:53 C 02 57 13.13 -12 54 15.3 V B96
2024-01-09 19:53:29 C 02 57 12.620 -12 54 04.70 Z M09
2024-01-09 19:57:41 C 02 57 12.517 -12 54 02.05 V G33
2024-01-09 20:04:17 C 02 57 12.366 -12 53 57.25 Z M09
2024-01-09 20:07:45 C 02 57 12.296 -12 53 54.66 V G33
2024-01-09 20:14:20 C 02 57 12.105 -12 53 49.81 Z M09
2024-01-09 23:36:30 B 02 57 07.26 -12 51 23.4 Z J22
2024-01-09 23:42:24 B 02 57 07.11 -12 51 19.2 Z J22
2024-01-09 23:48:19 B 02 57 06.97 -12 51 14.9 Z J22
2024-01-10 01:36:00 C 02 57 04.555 -12 49 53.76 V W68
2024-01-10 01:40:34 C 02 57 04.447 -12 49 50.52 V W68
2024-01-10 01:52:22 C 02 57 04.150 -12 49 41.92 V W68
2024-01-10 02:08:19 C 02 57 03.770 -12 49 30.43 V W68
2024-01-10 18:10:48 B 02 56 41.983 -12 38 00.24 V L65
2024-01-10 18:14:26 B 02 56 41.870 -12 37 57.68 V L65