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
2024-08-05 20:17:50 C 11 39 36.45 +32 33 46.9 V M14
2024-08-05 20:19:40 C 11 39 36.792 +32 33 44.78 Z C23
2024-08-05 20:25:54 C 11 39 37.990 +32 33 36.94 Z C23
2024-08-05 20:32:47 C 11 39 39.238 +32 33 28.40 Z C23
2024-08-05 20:37:23 C 11 39 40.08 +32 33 22.9 V M14
2024-08-05 20:59:13 B 11 39 44.136 +32 32 55.90 V B50
2024-08-05 21:04:07 C 11 39 45.115 +32 32 50.14 V 970
2024-08-05 21:04:25 B 11 39 45.110 +32 32 49.56 V B50
2024-08-05 21:09:06 B 11 39 45.986 +32 32 43.87 V B50
2024-08-05 21:20:07 C 11 39 48.041 +32 32 30.55 V 970
2024-08-05 21:21:45 B 11 39 48.35 +32 32 28.6 X M18
2024-08-05 21:32:23 B 11 39 50.33 +32 32 15.6 X M18
2024-08-05 21:42:32 B 11 39 52.21 +32 32 03.3 X M18
2024-08-06 20:03:39 C 11 43 59.24 +32 04 46.0 q A77
2024-08-06 20:08:26 C 11 44 00.08 +32 04 39.4 q A77
2024-08-06 20:14:08 C 11 44 01.13 +32 04 33.4 q A77
2024-08-06 20:19:51 C 11 44 02.11 +32 04 26.4 q A77
2024-08-06 20:25:48 C 11 44 03.32 +32 04 18.7 q A77
2024-08-06 20:25:56 B 11 44 03.29 +32 04 17.5 X M18
2024-08-06 20:29:55 C 11 44 04.073 +32 04 12.68 X L79
2024-08-06 20:30:40 C 11 44 04.19 +32 04 12.4 q A77
2024-08-06 20:32:31 B 11 44 04.48 +32 04 09.4 X M18
2024-08-06 20:34:03 C 11 44 04.831 +32 04 07.54 X L79
2024-08-06 20:35:45 C 11 44 05.09 +32 04 06.2 q A77
2024-08-06 20:37:59 C 11 44 05.549 +32 04 02.68 X L79
2024-08-06 20:39:05 B 11 44 05.68 +32 04 01.4 X M18
2024-08-06 20:55:44 C 11 44 08.621 +32 03 42.66 V G40
2024-08-06 21:10:22 C 11 44 11.326 +32 03 24.37 V G40
2024-08-06 21:20:12 C 11 44 13.133 +32 03 12.13 V G40
2024-08-06 21:56:15 C 11 44 19.966 +32 02 26.99 V 970
2024-08-06 21:58:52 C 11 44 20.388 +32 02 22.67 V I81
2024-08-06 22:00:27 C 11 44 20.638 +32 02 20.00 V I81
2024-08-06 22:02:02 C 11 44 20.926 +32 02 18.46 V I81
2024-08-06 22:03:37 C 11 44 21.223 +32 02 16.80 V I81
2024-08-06 22:03:49 C 11 44 21.331 +32 02 17.45 V 970
2024-08-07 11:12:14 C 11 46 44.87 +31 46 04.8 u 367
2024-08-07 11:15:10 C 11 46 45.40 +31 46 01.2 u 367
2024-08-07 11:18:04 C 11 46 45.94 +31 45 57.5 u 367
2024-08-07 18:07:47 B 11 48 00.22 +31 37 27.9 V M75
2024-08-07 18:25:30 B 11 48 03.45 +31 37 05.7 V M75
2024-08-07 18:42:27 B 11 48 06.54 +31 36 44.8 V M75
2024-08-07 19:09:21 C 11 48 11.438 +31 36 11.56 V L54
2024-08-07 19:36:32 C 11 48 16.342 +31 35 36.64 V L54
2024-08-07 20:02:36 C 11 48 21.048 +31 35 05.03 V L54
2024-08-07 20:22:52 C 11 48 24.703 +31 34 39.43 X L79
2024-08-07 20:27:59 C 11 48 25.601 +31 34 32.77 X L79
2024-08-07 20:34:05 C 11 48 26.717 +31 34 25.36 X L79
2024-08-07 22:18:13 C 11 48 45.619 +31 32 14.93 V I81
2024-08-07 22:20:20 C 11 48 46.044 +31 32 13.06 V I81
2024-08-08 11:42:06 C 11 51 10.14 +31 15 31.7 V P87