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
2024-08-27 19:59:45 B 13 04 37.529 +21 02 08.74 V B50
2024-08-27 19:59:57 C 13 04 37.687 +21 02 08.48 Z C23
2024-08-27 20:09:19 B 13 04 38.882 +21 01 56.03 V B50
2024-08-27 20:18:55 B 13 04 40.327 +21 01 41.84 V B50
2024-08-28 19:16:08 C 13 07 50.77 +20 31 14.7 q 215
2024-08-28 19:23:16 C 13 07 51.73 +20 31 05.5 q 215
2024-08-28 19:28:59 C 13 07 52.49 +20 30 57.6 q 215
2024-08-29 19:30:26 C 13 11 09.41 +19 59 10.8 q A77
2024-08-29 19:43:46 C 13 11 11.27 +19 58 52.8 q A77
2024-08-29 19:48:46 B 13 11 11.93 +19 58 45.3 X M18
2024-08-29 19:56:56 B 13 11 13.02 +19 58 35.0 X M18
2024-08-29 19:57:06 C 13 11 13.10 +19 58 34.9 q A77
2024-08-29 20:06:13 B 13 11 14.29 +19 58 22.8 X M18
2024-08-29 20:29:23 B 13 11 17.66 +19 57 49.8 V Y87
2024-08-29 20:36:55 B 13 11 18.69 +19 57 39.9 V Y87
2024-08-29 20:44:26 B 13 11 19.73 +19 57 30.0 V Y87
2024-08-30 18:27:44 C 13 14 15.38 +19 28 54.4 V A98
2024-08-30 18:31:41 C 13 14 15.90 +19 28 49.4 V A98
2024-08-30 18:33:56 C 13 14 16.23 +19 28 46.3 V A98
2024-08-30 18:36:10 C 13 14 16.48 +19 28 43.2 V A98
2024-08-31 18:24:45 C 13 17 27.012 +18 57 29.88 V L54
2024-08-31 18:54:04 C 13 17 30.883 +18 56 51.72 V L54
2024-08-31 19:22:23 B 13 17 34.63 +18 56 14.0 X M18
2024-08-31 19:24:25 C 13 17 34.762 +18 56 12.30 V L54
2024-08-31 19:32:24 B 13 17 35.95 +18 56 01.0 X M18
2024-08-31 19:42:18 B 13 17 37.27 +18 55 48.0 X M18
2024-09-01 18:57:03 C 13 20 40.99 +18 25 27.7 V 134
2024-09-01 18:58:07 C 13 20 41.12 +18 25 26.4 V 134
2024-09-01 18:59:10 C 13 20 41.25 +18 25 24.5 V 134
2024-09-01 19:00:12 C 13 20 41.39 +18 25 23.2 V 134
2024-09-01 19:01:14 C 13 20 41.56 +18 25 22.2 V 134
2024-09-01 19:02:16 C 13 20 41.68 +18 25 20.5 V 134
2024-09-01 19:03:19 C 13 20 41.81 +18 25 19.2 V 134
2024-09-01 19:04:22 C 13 20 41.95 +18 25 18.0 V 134
2024-09-01 19:05:25 C 13 20 42.10 +18 25 16.7 V 134
2024-09-01 19:06:27 C 13 20 42.22 +18 25 15.0 V 134
2024-09-01 19:07:30 C 13 20 42.34 +18 25 13.8 V 134
2024-09-01 19:08:31 C 13 20 42.49 +18 25 12.4 V 134
2024-09-01 19:09:34 C 13 20 42.64 +18 25 11.1 V 134
2024-09-01 19:10:37 C 13 20 42.73 +18 25 10.0 V 134
2024-09-01 19:11:40 C 13 20 42.92 +18 25 08.8 V 134
2024-09-01 19:12:44 C 13 20 43.05 +18 25 06.8 V 134
2024-09-01 19:13:47 C 13 20 43.17 +18 25 06.0 V 134
2024-09-01 19:14:51 C 13 20 43.34 +18 25 04.0 V 134
2024-09-01 19:15:53 C 13 20 43.44 +18 25 02.8 V 134
2024-09-01 19:16:56 C 13 20 43.60 +18 25 01.5 V 134
2024-09-01 19:17:57 C 13 20 43.73 +18 25 00.4 V 134
2024-09-01 19:20:32 B 13 20 44.06 +18 24 57.0 X M18
2024-09-01 19:29:30 B 13 20 45.25 +18 24 45.3 X M18
2024-09-01 19:37:05 C 13 20 46.250 +18 24 35.28 Z C23