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
2024-08-08 11:49:05 C 11 51 11.39 +31 15 23.2 V P87
2024-08-08 18:07:43 B 11 52 19.18 +31 07 27.2 V M75
2024-08-08 18:28:31 B 11 52 22.89 +31 07 00.7 V M75
2024-08-08 18:49:20 B 11 52 26.60 +31 06 34.3 V M75
2024-08-08 20:18:06 B 11 52 42.44 +31 04 43.2 Z D28
2024-08-08 20:19:33 B 11 52 42.713 +31 04 40.51 V B50
2024-08-08 20:22:26 B 11 52 43.21 +31 04 37.6 Z D28
2024-08-08 20:22:49 B 11 52 43.289 +31 04 36.37 V B50
2024-08-08 20:26:45 B 11 52 43.98 +31 04 32.3 Z D28
2024-08-08 20:27:16 B 11 52 44.076 +31 04 30.65 V B50
2024-08-08 20:30:41 B 11 52 44.69 +31 04 27.4 Z D28
2024-08-08 21:06:41 B 11 52 51.22 +31 03 40.4 V Y87
2024-08-08 21:14:31 B 11 52 52.63 +31 03 30.7 V Y87
2024-08-08 21:22:20 B 11 52 54.07 +31 03 21.1 V Y87
2024-08-09 17:58:28 B 11 56 33.12 +30 37 18.3 V M75
2024-08-09 18:19:19 B 11 56 36.82 +30 36 51.4 V M75
2024-08-09 18:40:09 B 11 56 40.52 +30 36 24.7 V M75
2024-08-09 20:18:42 C 11 56 57.876 +30 34 19.63 Z C23
2024-08-09 20:19:56 C 11 56 58.092 +30 34 18.12 Z C23
2024-08-09 20:21:08 C 11 56 58.306 +30 34 16.43 Z C23
2024-08-09 21:09:08 B 11 57 06.84 +30 33 14.7 V Y87
2024-08-09 21:14:43 B 11 57 07.80 +30 33 07.5 V Y87
2024-08-09 21:20:19 B 11 57 08.82 +30 33 00.6 V Y87
2024-08-09 21:48:03 C 11 57 13.625 +30 32 25.91 V 970
2024-08-09 21:51:13 C 11 57 14.196 +30 32 20.98 V 970
2024-08-09 22:18:46 C 11 57 19.099 +30 31 46.49 V I81
2024-08-09 22:22:56 C 11 57 19.814 +30 31 40.91 V I81
2024-08-09 22:27:06 C 11 57 20.551 +30 31 35.26 V I81
2024-08-10 11:33:08 C 11 59 38.26 +30 14 54.1 V P87
2024-08-10 11:42:17 C 11 59 39.82 +30 14 42.2 V P87
2024-08-10 11:48:46 C 11 59 40.97 +30 14 34.0 V P87
2024-08-10 18:12:22 B 12 00 47.84 +30 06 22.2 V M75
2024-08-10 18:33:09 B 12 00 51.47 +30 05 55.3 V M75
2024-08-10 18:53:57 B 12 00 55.09 +30 05 28.6 V M75
2024-08-10 19:51:55 C 12 01 05.227 +30 04 13.94 X L79
2024-08-10 19:57:19 C 12 01 06.158 +30 04 06.96 X L79
2024-08-10 20:01:44 C 12 01 06.929 +30 04 01.31 X L79
2024-08-10 20:24:00 B 12 01 10.76 +30 03 32.7 X M18
2024-08-10 20:32:49 B 12 01 12.30 +30 03 21.6 X M18
2024-08-10 20:42:28 B 12 01 13.97 +30 03 08.9 X M18
2024-08-10 21:58:27 C 12 01 27.185 +30 01 31.66 V 970
2024-08-10 22:01:54 C 12 01 27.806 +30 01 26.65 V 970
2024-08-11 18:03:31 B 12 04 55.34 +29 35 39.2 V M75
2024-08-11 18:25:21 B 12 04 59.05 +29 35 10.7 V M75
2024-08-11 18:44:35 B 12 05 02.37 +29 34 45.8 V M75
2024-08-11 19:03:25 C 12 05 05.630 +29 34 21.61 V L54
2024-08-11 19:27:22 C 12 05 09.725 +29 33 50.69 V L54
2024-08-11 19:59:18 C 12 05 15.192 +29 33 09.36 V L54
2024-08-11 20:16:54 B 12 05 18.20 +29 32 46.2 X M18
2024-08-11 20:19:33 C 12 05 18.650 +29 32 43.01 Z C23