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
2024-01-19 08:40:00 C 02 53 08.954 -10 02 06.83 V T05
2024-01-19 08:54:40 C 02 53 08.762 -10 01 55.38 V T05
2024-01-19 18:53:08 C 02 53 01.910 -09 54 03.56 V M22
2024-01-19 18:57:44 C 02 53 01.834 -09 54 00.14 V M22
2024-01-19 19:37:42 C 02 53 01.361 -09 53 28.72 V M22
2024-01-19 20:45:29 C 02 53 00.68 -09 52 39.4 V J01
2024-01-19 20:56:05 C 02 53 00.52 -09 52 32.9 V J01
2024-01-19 21:12:05 C 02 53 00.31 -09 52 19.5 V J01
2024-01-20 03:00:56 B 02 52 56.30 -09 47 41.1 X X07
2024-01-20 03:11:37 B 02 52 56.19 -09 47 32.5 X X07
2024-01-20 03:22:14 B 02 52 56.07 -09 47 24.1 X X07
2024-01-20 03:32:55 B 02 52 55.95 -09 47 15.8 X X07
2024-01-20 18:45:47 C 02 52 46.43 -09 35 22.1 q A77
2024-01-20 18:50:05 C 02 52 46.37 -09 35 17.9 X G02
2024-01-20 18:50:46 C 02 52 46.39 -09 35 17.7 q L27
2024-01-20 18:50:55 B 02 52 46.32 -09 35 18.4 X M18
2024-01-20 18:55:08 C 02 52 46.32 -09 35 14.1 q A77
2024-01-20 18:59:36 C 02 52 46.24 -09 35 11.2 X G02
2024-01-20 19:04:28 C 02 52 46.21 -09 35 06.6 q A77
2024-01-20 19:08:23 C 02 52 46.19 -09 35 03.8 q L27
2024-01-20 19:08:36 C 02 52 46.14 -09 35 03.8 X G02
2024-01-20 19:25:19 B 02 52 45.97 -09 34 50.2 X M18
2024-01-20 19:26:01 C 02 52 45.97 -09 34 50.2 q L27
2024-01-20 19:38:26 C 02 52 45.866 -09 34 39.90 V B74
2024-01-20 19:50:30 C 02 52 45.734 -09 34 30.40 V B74
2024-01-20 19:59:48 B 02 52 45.61 -09 34 23.5 X M18
2024-01-20 20:22:11 C 02 52 45.377 -09 34 05.23 V B74
2024-01-20 20:40:16 C 02 52 45.20 -09 33 51.0 V J01
2024-01-20 20:44:41 C 02 52 45.19 -09 33 47.4 V Z17
2024-01-20 20:45:35 C 02 52 45.17 -09 33 47.6 V J01
2024-01-20 20:47:44 C 02 52 45.16 -09 33 44.6 V Z17
2024-01-20 20:50:47 C 02 52 45.16 -09 33 42.0 V Z17
2024-01-20 20:54:36 C 02 52 45.09 -09 33 39.2 V Z17
2024-01-20 20:57:40 C 02 52 45.05 -09 33 36.8 V Z17
2024-01-20 21:00:44 C 02 52 45.03 -09 33 34.0 V Z17
2024-01-20 21:12:10 C 02 52 44.84 -09 33 25.8 V J01
2024-01-21 06:42:41 C 02 52 39.238 -09 25 53.76 V T08
2024-01-21 06:46:50 C 02 52 39.199 -09 25 50.59 V T08
2024-01-21 07:04:07 C 02 52 39.007 -09 25 37.02 V T08
2024-01-21 07:17:59 C 02 52 38.858 -09 25 25.93 V T08
2024-01-21 18:28:19 C 02 52 32.72 -09 16 35.8 A77
2024-01-21 18:40:59 C 02 52 32.61 -09 16 25.6 A77
2024-01-21 18:53:20 C 02 52 32.47 -09 16 15.9 A77
2024-01-21 18:59:43 C 02 52 32.470 -09 16 10.56 Z 213
2024-01-21 19:03:01 C 02 52 32.40 -09 16 08.1 V M14
2024-01-21 19:22:54 C 02 52 32.208 -09 15 52.06 Z 213
2024-01-21 19:27:16 C 02 52 32.14 -09 15 48.9 V M14
2024-01-21 19:46:05 C 02 52 31.992 -09 15 33.73 Z 213
2024-01-21 19:55:57 C 02 52 31.87 -09 15 25.8 V M14
2024-01-22 01:10:49 C 02 52 29.059 -09 11 10.90 V W68