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
2024-08-24 19:41:53 C 12 54 22.51 +22 38 40.2 V 134
2024-08-24 19:42:57 C 12 54 22.71 +22 38 39.1 V 134
2024-08-24 20:38:02 C 12 54 30.617 +22 37 25.72 V Z10
2024-08-24 20:47:55 C 12 54 32.062 +22 37 12.40 V Z10
2024-08-24 20:58:56 C 12 54 33.631 +22 36 57.67 V Z10
2024-08-25 19:42:30 B 12 57 49.318 +22 06 32.29 V B50
2024-08-25 19:46:20 B 12 57 49.942 +22 06 27.40 V B50
2024-08-25 19:50:00 B 12 57 50.450 +22 06 22.36 V B50
2024-08-25 19:50:45 C 12 57 50.621 +22 06 21.13 Z C23
2024-08-25 19:52:33 B 12 57 50.815 +22 06 18.86 V B50
2024-08-25 20:00:16 C 12 57 52.006 +22 06 08.50 Z C23
2024-08-25 20:10:33 C 12 57 53.438 +22 05 54.53 Z C23
2024-08-26 11:24:14 C 13 00 03.25 +21 45 34.9 u 367
2024-08-26 11:27:46 C 13 00 03.71 +21 45 30.1 u 367
2024-08-26 11:31:16 C 13 00 04.22 +21 45 25.5 u 367
2024-08-26 19:48:35 C 13 01 14.458 +21 34 20.89 Z C23
2024-08-26 19:59:34 C 13 01 16.049 +21 34 06.17 Z C23
2024-08-26 20:08:38 C 13 01 17.294 +21 33 54.61 Z C23
2024-08-26 20:48:57 B 13 01 23.22 +21 32 58.2 V Y87
2024-08-26 20:56:55 B 13 01 24.36 +21 32 47.7 V Y87
2024-08-26 21:04:42 B 13 01 25.48 +21 32 37.6 V Y87
2024-08-27 04:24:35 C 13 02 26.969 +21 22 53.54 V U52
2024-08-27 04:29:16 C 13 02 27.634 +21 22 47.42 V U52
2024-08-27 04:33:27 C 13 02 28.210 +21 22 41.81 V U52
2024-08-27 19:13:53 C 13 04 31.29 +21 03 08.9 V 134
2024-08-27 19:14:57 C 13 04 31.40 +21 03 07.6 V 134
2024-08-27 19:16:01 C 13 04 31.56 +21 03 06.5 V 134
2024-08-27 19:17:04 C 13 04 31.74 +21 03 05.1 V 134
2024-08-27 19:18:07 C 13 04 31.87 +21 03 03.3 V 134
2024-08-27 19:19:09 C 13 04 32.02 +21 03 02.0 V 134
2024-08-27 19:20:11 C 13 04 32.19 +21 03 00.7 V 134
2024-08-27 19:21:13 C 13 04 32.29 +21 02 59.5 V 134
2024-08-27 19:22:16 C 13 04 32.47 +21 02 58.3 V 134
2024-08-27 19:23:19 C 13 04 32.59 +21 02 56.4 V 134
2024-08-27 19:24:22 C 13 04 32.76 +21 02 55.1 V 134
2024-08-27 19:25:24 C 13 04 32.87 +21 02 53.6 V 134
2024-08-27 19:26:28 C 13 04 33.05 +21 02 52.9 V 134
2024-08-27 19:27:32 C 13 04 33.18 +21 02 50.6 V 134
2024-08-27 19:28:36 C 13 04 33.37 +21 02 47.2 V 134
2024-08-27 19:29:40 C 13 04 33.47 +21 02 47.8 V 134
2024-08-27 19:30:44 C 13 04 33.61 +21 02 46.5 V 134
2024-08-27 19:31:47 C 13 04 33.77 +21 02 45.6 V 134
2024-08-27 19:32:50 C 13 04 33.93 +21 02 43.6 V 134
2024-08-27 19:33:52 C 13 04 34.07 +21 02 42.5 V 134
2024-08-27 19:34:56 C 13 04 34.21 +21 02 41.4 V 134
2024-08-27 19:39:20 C 13 04 34.877 +21 02 35.16 V B96
2024-08-27 19:39:40 C 13 04 34.858 +21 02 34.84 Z C23
2024-08-27 19:48:37 C 13 04 36.197 +21 02 22.60 V B96
2024-08-27 19:50:12 C 13 04 36.310 +21 02 21.41 Z C23
2024-08-27 19:59:44 C 13 04 37.704 +21 02 07.66 V B96