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
2024-07-28 20:21:27 C 11 02 14.86 +36 11 03.9 q A77
2024-07-28 20:27:02 C 11 02 16.02 +36 10 58.0 q 215
2024-07-28 20:29:12 C 11 02 16.43 +36 10 55.9 q A77
2024-07-28 20:29:28 C 11 02 16.49 +36 10 55.3 q A77
2024-07-28 20:34:43 C 11 02 17.57 +36 10 49.4 q 215
2024-07-28 20:37:13 C 11 02 18.06 +36 10 47.2 q A77
2024-07-28 20:47:34 B 11 02 20.15 +36 10 36.5 Z Y99
2024-07-28 21:06:59 B 11 02 24.10 +36 10 16.3 Z Y99
2024-07-28 21:17:44 B 11 02 26.30 +36 10 05.3 V Y87
2024-07-28 21:23:39 B 11 02 27.51 +36 09 59.2 V Y87
2024-07-28 21:25:22 B 11 02 27.84 +36 09 57.1 Z Y99
2024-07-28 21:29:33 B 11 02 28.72 +36 09 53.1 V Y87
2024-07-28 21:53:26 C 11 02 33.624 +36 09 27.25 V 970
2024-07-28 22:00:57 C 11 02 35.165 +36 09 19.37 V 970
2024-07-29 11:22:26 C 11 05 17.69 +35 55 21.8 V P87
2024-07-29 11:28:16 C 11 05 18.88 +35 55 15.3 V P87
2024-07-29 11:36:04 C 11 05 20.45 +35 55 07.3 V P87
2024-07-29 11:37:06 C 11 05 20.68 +35 55 05.8 V 900
2024-07-29 11:40:32 C 11 05 21.33 +35 55 02.3 V 900
2024-07-29 18:24:26 C 11 06 42.91 +35 47 54.5 Z D04
2024-07-29 18:41:07 C 11 06 46.29 +35 47 36.5 Z D04
2024-07-29 18:57:48 C 11 06 49.63 +35 47 17.8 Z D04
2024-07-29 20:26:39 C 11 07 07.58 +35 45 44.6 q A77
2024-07-29 20:36:10 C 11 07 09.54 +35 45 35.9 q A77
2024-07-29 20:42:09 B 11 07 10.71 +35 45 27.5 X M18
2024-07-29 20:45:42 C 11 07 11.42 +35 45 24.1 q A77
2024-07-29 20:53:13 B 11 07 12.94 +35 45 15.8 X M18
2024-07-29 20:59:23 C 11 07 14.203 +35 45 08.78 q L79
2024-07-29 21:02:59 B 11 07 14.909 +35 45 05.29 V B50
2024-07-29 21:04:14 C 11 07 15.175 +35 45 03.38 q L79
2024-07-29 21:04:24 B 11 07 15.20 +35 45 03.7 X M18
2024-07-29 21:08:21 B 11 07 15.977 +35 44 59.46 V B50
2024-07-29 21:08:40 C 11 07 16.133 +35 45 00.04 q L79
2024-07-29 21:13:40 B 11 07 17.047 +35 44 53.66 V B50
2024-07-29 21:26:46 C 11 07 19.757 +35 44 40.31 q Z80
2024-07-29 21:29:44 C 11 07 20.328 +35 44 36.71 q Z80
2024-07-30 21:07:48 B 11 12 04.282 +35 19 08.90 V B50
2024-07-30 21:13:08 B 11 12 05.335 +35 19 02.93 V B50
2024-07-30 21:42:41 C 11 12 11.299 +35 18 30.38 V 970
2024-07-30 21:49:30 C 11 12 12.641 +35 18 22.93 V 970
2024-07-30 21:50:44 C 11 12 12.893 +35 18 21.96 V 970
2024-07-30 22:00:39 C 11 12 14.844 +35 18 10.48 V 970
2024-07-31 11:20:22 C 11 14 53.46 +35 03 35.1 V P87
2024-07-31 11:31:01 C 11 14 55.54 +35 03 23.2 V P87
2024-07-31 11:41:39 C 11 14 57.67 +35 03 11.4 V P87
2024-07-31 18:03:10 C 11 16 13.01 +34 56 08.4 Z D04
2024-07-31 18:19:47 C 11 16 16.30 +34 55 49.9 Z D04
2024-07-31 18:36:24 C 11 16 19.58 +34 55 31.0 Z D04
2024-07-31 20:40:57 C 11 16 44.198 +34 53 12.34 X L79
2024-07-31 20:45:27 C 11 16 45.082 +34 53 07.12 X L79