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
2024-01-14 11:16:40 C 02 54 54.19 -11 32 10.5 V P87
2024-01-14 11:25:10 C 02 54 54.03 -11 32 04.1 q Q11
2024-01-14 11:31:30 C 02 54 53.90 -11 31 59.3 V P87
2024-01-14 11:46:01 C 02 54 53.63 -11 31 48.9 V P87
2024-01-15 07:38:06 C 02 54 32.890 -11 16 48.43 V T05
2024-01-15 07:42:39 C 02 54 32.825 -11 16 44.80 V T05
2024-01-15 07:52:51 C 02 54 32.630 -11 16 37.20 V T05
2024-01-15 08:10:55 C 02 54 32.316 -11 16 23.20 V T05
2024-01-15 10:55:55 C 02 54 29.62 -11 14 19.3 m 349
2024-01-15 11:05:43 C 02 54 29.44 -11 14 11.7 m 349
2024-01-15 11:36:54 C 02 54 28.89 -11 13 47.9 m 349
2024-01-15 11:46:45 C 02 54 28.74 -11 13 40.5 m 349
2024-01-15 19:07:32 C 02 54 21.590 -11 08 06.07 Z 213
2024-01-15 19:57:08 C 02 54 20.738 -11 07 28.45 Z 213
2024-01-15 20:38:25 C 02 54 20.026 -11 06 56.99 Z 213
2024-01-15 20:38:28 C 02 54 20.02 -11 06 57.1 V M14
2024-01-15 21:01:16 C 02 54 19.64 -11 06 39.7 V M14
2024-01-15 21:24:48 C 02 54 19.23 -11 06 21.8 V M14
2024-01-16 09:28:34 C 02 54 07.846 -10 57 10.15 q Q21
2024-01-16 09:36:07 C 02 54 07.788 -10 57 03.24 q Q21
2024-01-16 11:44:18 C 02 54 05.71 -10 55 25.9 u 367
2024-01-16 11:47:48 C 02 54 05.67 -10 55 23.1 u 367
2024-01-16 18:09:18 C 02 53 59.89 -10 50 31.3 V B96
2024-01-16 18:24:08 C 02 53 59.67 -10 50 19.8 V B96
2024-01-16 18:26:53 C 02 53 59.638 -10 50 18.35 V C23
2024-01-16 18:28:24 C 02 53 59.60 -10 50 16.7 q A77
2024-01-16 18:33:08 C 02 53 59.539 -10 50 13.38 V C23
2024-01-16 18:35:28 C 02 53 59.49 -10 50 11.3 q A77
2024-01-16 18:37:20 C 02 53 59.44 -10 50 10.2 V B96
2024-01-16 18:41:26 C 02 53 59.410 -10 50 06.97 V C23
2024-01-16 18:42:32 C 02 53 59.39 -10 50 05.8 q A77
2024-01-16 20:03:05 C 02 53 58.120 -10 49 04.47 Z M09
2024-01-16 20:13:52 C 02 53 57.987 -10 48 55.72 Z M09
2024-01-16 20:23:54 C 02 53 57.822 -10 48 47.98 Z M09
2024-01-17 06:37:18 C 02 53 48.775 -10 40 55.67 V T08
2024-01-17 06:49:39 C 02 53 48.571 -10 40 46.45 V T08
2024-01-17 06:53:50 C 02 53 48.506 -10 40 43.00 V T08
2024-01-17 07:12:55 C 02 53 48.214 -10 40 28.63 V T08
2024-01-17 09:18:02 C 02 53 46.54 -10 38 52.4 q D95
2024-01-17 09:22:39 C 02 53 46.43 -10 38 49.4 q D95
2024-01-17 09:38:07 C 02 53 46.22 -10 38 37.4 q D95
2024-01-18 00:59:01 C 02 53 33.334 -10 26 42.07 V W68
2024-01-18 01:03:35 C 02 53 33.254 -10 26 38.54 V W68
2024-01-18 01:11:27 C 02 53 33.137 -10 26 32.68 V W68
2024-01-18 01:33:15 C 02 53 32.820 -10 26 15.61 V W68
2024-01-18 19:54:02 C 02 53 18.482 -10 12 05.36 Z 213
2024-01-18 20:18:49 C 02 53 18.161 -10 11 46.14 Z 213
2024-01-18 20:41:54 C 02 53 17.863 -10 11 28.21 Z 213
2024-01-19 08:24:13 C 02 53 09.158 -10 02 19.07 V T05
2024-01-19 08:28:46 C 02 53 09.096 -10 02 15.76 V T05