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
2024-01-30 20:39:47 C 02 51 44.90 -06 18 57.0 X L79
2024-01-30 20:45:23 C 02 51 44.88 -06 18 50.7 X L79
2024-01-30 20:51:40 C 02 51 44.96 -06 18 45.5 X L79
2024-01-31 06:52:22 C 02 51 46.109 -06 10 25.10 V T05
2024-01-31 06:56:55 C 02 51 46.114 -06 10 21.40 V T05
2024-01-31 07:11:35 C 02 51 46.123 -06 10 09.16 V T05
2024-01-31 07:19:24 C 02 51 46.142 -06 10 02.53 V T05
2024-01-31 12:53:40 C 02 51 46.98 -06 05 20.5 V 323
2024-01-31 12:57:55 C 02 51 46.99 -06 05 17.2 V 323
2024-01-31 13:02:08 C 02 51 46.99 -06 05 13.6 V 323
2024-01-31 18:55:37 C 02 51 47.916 -06 00 18.07 V M22
2024-01-31 19:01:32 C 02 51 47.940 -06 00 13.18 V M22
2024-01-31 19:10:45 C 02 51 47.950 -06 00 05.44 V M22
2024-01-31 19:54:54 C 02 51 48.041 -05 59 28.57 V M22
2024-02-01 13:51:42 C 02 51 51.52 -05 44 28.0 V 323
2024-02-01 13:55:51 C 02 51 51.52 -05 44 24.7 V 323
2024-02-01 13:59:55 C 02 51 51.54 -05 44 21.1 V 323
2024-02-01 17:33:30 B 02 51 52.534 -05 41 26.56 X K74
2024-02-01 17:37:32 B 02 51 52.550 -05 41 23.32 X K74
2024-02-01 17:41:34 B 02 51 52.562 -05 41 19.90 X K74
2024-02-01 17:45:36 B 02 51 52.572 -05 41 16.51 X K74
2024-02-01 19:13:26 C 02 51 52.886 -05 40 02.53 X Z55
2024-02-01 19:13:26 C 02 51 52.90 -05 40 02.8 V Z55
2024-02-01 19:14:32 C 02 51 52.908 -05 40 01.16 X Z55
2024-02-01 19:14:33 C 02 51 52.92 -05 40 01.7 V Z55
2024-02-01 19:15:40 C 02 51 52.889 -05 40 00.41 X Z55
2024-02-01 19:15:41 C 02 51 52.88 -05 40 00.8 V Z55
2024-02-01 19:16:47 C 02 51 52.882 -05 39 59.54 X Z55
2024-02-01 19:16:48 C 02 51 52.91 -05 39 59.7 V Z55
2024-02-01 19:17:55 C 02 51 52.910 -05 39 58.97 X Z55
2024-02-01 19:19:01 C 02 51 52.925 -05 39 57.42 X Z55
2024-02-01 19:20:09 C 02 51 52.894 -05 39 56.88 X Z55
2024-02-01 19:21:17 C 02 51 52.886 -05 39 55.84 X Z55
2024-02-01 20:33:21 C 02 51 53.17 -05 38 55.1 q 950
2024-02-01 20:51:48 C 02 51 53.23 -05 38 39.5 q 950
2024-02-01 21:10:15 C 02 51 53.28 -05 38 23.9 q 950
2024-02-02 06:40:05 C 02 51 55.678 -05 30 25.31 V T08
2024-02-02 06:44:44 C 02 51 55.692 -05 30 21.38 V T08
2024-02-02 06:54:09 C 02 51 55.661 -05 30 13.46 V T08
2024-02-02 07:10:51 C 02 51 55.788 -05 29 59.42 V T08
2024-02-02 18:29:02 C 02 51 59.19 -05 20 30.1 V J59
2024-02-02 18:30:42 B 02 51 59.052 -05 20 29.54 V 160
2024-02-02 18:40:28 C 02 51 59.28 -05 20 20.8 V J59
2024-02-02 18:46:33 B 02 51 59.215 -05 20 17.48 V 160
2024-02-02 18:49:02 C 02 51 59.29 -05 20 13.5 V J59
2024-02-02 19:01:52 B 02 51 59.179 -05 20 03.37 V 160
2024-02-03 00:51:33 C 02 52 01.054 -05 15 03.67 V W68
2024-02-03 00:56:49 C 02 52 01.078 -05 14 59.32 V W68
2024-02-03 01:04:43 C 02 52 01.114 -05 14 52.58 V W68
2024-02-03 01:20:31 C 02 52 01.181 -05 14 39.26 V W68