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
2024-07-06 22:23:40 C 09 06 03.180 +42 04 01.06 V 970
2024-07-07 20:59:42 B 09 11 13.98 +41 57 50.1 M18
2024-07-07 21:08:30 B 09 11 16.01 +41 57 47.7 M18
2024-07-07 21:17:45 B 09 11 18.10 +41 57 44.7 X M18
2024-07-07 21:40:20 C 09 11 22.951 +41 57 38.59 V Z10
2024-07-07 21:46:58 C 09 11 24.598 +41 57 36.72 V Z10
2024-07-08 20:37:06 C 09 16 38.99 +41 50 27.7 q L27
2024-07-08 20:45:33 C 09 16 41.02 +41 50 27.5 q L27
2024-07-08 20:52:42 C 09 16 42.566 +41 50 22.70 Z 232
2024-07-08 20:54:18 C 09 16 42.95 +41 50 22.4 q L27
2024-07-08 20:55:06 C 09 16 43.109 +41 50 22.16 Z 232
2024-07-08 20:58:16 C 09 16 43.829 +41 50 20.87 Z 232
2024-07-08 21:00:29 B 09 16 44.42 +41 50 19.4 M18
2024-07-08 21:09:54 B 09 16 46.59 +41 50 16.2 M18
2024-07-08 21:09:55 C 09 16 46.382 +41 50 18.28 V G40
2024-07-08 21:12:47 C 09 16 47.095 +41 50 16.76 V G40
2024-07-08 21:17:08 C 09 16 48.060 +41 50 15.47 V G40
2024-07-08 21:27:14 B 09 16 50.57 +41 50 10.5 M18
2024-07-09 20:33:17 C 09 22 08.410 +41 42 04.57 Z 213
2024-07-09 20:43:30 C 09 22 10.649 +41 41 58.88 Z 213
2024-07-09 20:44:19 C 09 22 10.894 +41 41 58.56 Z 213
2024-07-09 20:54:31 C 09 22 13.282 +41 41 54.53 Z 213
2024-07-09 21:08:24 B 09 22 16.45 +41 41 48.7 M18
2024-07-09 21:09:57 C 09 22 16.673 +41 41 49.63 V G40
2024-07-09 21:15:40 C 09 22 17.945 +41 41 48.44 V G40
2024-07-09 21:18:53 B 09 22 18.85 +41 41 44.9 X M18
2024-07-09 21:28:45 B 09 22 21.12 +41 41 41.0 X M18
2024-07-09 21:31:16 C 09 22 21.725 +41 41 40.88 V Z10
2024-07-09 21:42:18 C 09 22 24.206 +41 41 36.71 V Z10
2024-07-09 21:54:27 C 09 22 27.110 +41 41 31.67 V Z10
2024-07-11 19:54:09 B 09 32 58.853 +41 22 35.01 V L92
2024-07-11 20:06:53 B 09 33 01.761 +41 22 29.38 V L92
2024-07-11 20:14:13 C 09 33 03.497 +41 22 25.10 X L79
2024-07-11 20:16:04 B 09 33 03.856 +41 22 24.69 V L92
2024-07-11 20:17:37 C 09 33 04.282 +41 22 23.63 X L79
2024-07-11 20:21:01 C 09 33 05.047 +41 22 22.04 X L79
2024-07-11 20:26:15 B 09 33 06.248 +41 22 20.33 V L92
2024-07-11 20:36:27 B 09 33 08.653 +41 22 15.24 V L92
2024-07-13 18:40:59 C 09 43 39.02 +40 59 42.4 Z D04
2024-07-13 18:53:28 C 09 43 41.87 +40 59 35.7 Z D04
2024-07-13 19:05:57 C 09 43 44.71 +40 59 29.8 Z D04
2024-07-13 21:25:03 B 09 44 16.377 +40 58 15.09 X B72
2024-07-13 21:29:02 B 09 44 17.300 +40 58 12.92 X B72
2024-07-13 21:33:41 B 09 44 18.364 +40 58 10.36 X B72
2024-07-14 18:27:33 C 09 49 02.91 +40 46 43.3 Z D04
2024-07-14 18:44:09 C 09 49 06.68 +40 46 33.8 Z D04
2024-07-14 19:00:47 C 09 49 10.44 +40 46 24.3 Z D04
2024-07-14 22:19:18 C 09 49 55.498 +40 44 30.98 V 970
2024-07-14 22:26:15 C 09 49 57.046 +40 44 26.56 V 970
2024-07-16 18:38:07 C 09 59 55.14 +40 17 37.0 Z D04