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
2023-08-26 15:52:11 C 04 21 22.11 -15 03 36.2 V Q64
2023-08-26 16:02:40 C 04 21 22.36 -15 03 38.3 V Q64
2023-08-27 00:25:08 C 04 21 31.57 -15 05 01.5 V K91
2023-08-27 00:35:39 C 04 21 31.73 -15 05 03.2 V K91
2023-08-27 02:47:23 C 04 21 34.13 -15 05 25.9 V K91
2023-08-27 02:57:54 C 04 21 34.34 -15 05 27.5 V K91
2023-08-28 03:49:02 C 04 22 01.23 -15 09 39.4 V K92
2023-08-28 03:59:33 C 04 22 01.43 -15 09 41.1 V K92
2023-09-09 02:15:05 C 04 26 09.88 -16 04 22.4 q A77
2023-09-09 02:52:16 C 04 26 10.35 -16 04 33.1 q A77
2023-09-09 02:56:53 C 04 26 10.47 -16 04 33.9 q A77
2023-09-09 03:38:42 C 04 26 10.80 -16 04 39.0 q A77
2023-09-10 15:09:44 C 04 26 32.88 -16 12 14.4 V Q63
2023-09-10 15:20:16 C 04 26 32.93 -16 12 15.5 V Q63
2023-09-18 18:06:51 C 04 27 54.69 -16 56 17.5 q 867
2023-09-18 18:10:53 C 04 27 54.66 -16 56 19.3 q 867
2023-09-18 18:14:55 C 04 27 54.61 -16 56 20.3 q 867
2023-09-21 08:20:56 C 04 28 05.77 -17 11 04.5 X W62
2023-09-21 08:31:08 C 04 28 05.78 -17 11 07.0 X W62
2023-09-21 08:40:50 C 04 28 05.80 -17 11 09.3 X W62
2023-09-22 18:23:24 C 04 28 08.78 -17 19 18.8 V Q64
2023-09-22 18:33:54 C 04 28 08.78 -17 19 22.0 V Q64
2023-09-25 02:31:59 C 04 28 08.49 -17 33 06.1 q 215
2023-09-25 02:37:34 C 04 28 08.49 -17 33 08.3 q 215
2023-09-25 02:43:08 C 04 28 08.49 -17 33 10.9 q 215
2023-09-25 02:56:21 C 04 28 08.57 -17 33 10.9 q A77
2023-09-25 03:14:41 C 04 28 08.43 -17 33 18.8 q A77
2023-09-25 03:33:01 C 04 28 08.64 -17 33 23.2 q A77
2023-09-27 02:09:23 C 04 28 03.12 -17 44 55.1 A77
2023-09-27 02:41:34 C 04 28 03.02 -17 45 03.1 A77
2023-09-27 03:13:47 C 04 28 02.84 -17 45 11.9 A77
2023-10-08 14:50:37 C 04 25 52.02 -18 54 26.2 V Q62
2023-10-08 15:01:01 C 04 25 51.89 -18 54 28.6 V Q62
2023-10-09 14:56:26 C 04 25 32.05 -19 00 26.9 X Q62
2023-10-09 15:20:24 C 04 25 31.68 -19 00 33.0 X Q62
2023-10-09 15:43:12 C 04 25 31.34 -19 00 38.5 X Q62
2023-10-10 03:59:37 C 04 25 20.72 -19 03 41.2 V W87
2023-10-10 04:10:05 C 04 25 20.55 -19 03 43.9 V W87
2023-10-11 06:15:14 C 04 24 56.42 -19 10 11.5 V X03
2023-10-11 06:37:41 C 04 24 56.04 -19 10 17.0 V X03
2023-10-11 07:00:10 C 04 24 55.65 -19 10 22.6 V X03
2023-10-11 07:25:50 C 04 24 55.21 -19 10 28.5 V X03
2023-10-12 00:30:04 C 04 24 38.55 -19 14 43.5 q L27
2023-10-12 00:52:27 C 04 24 38.16 -19 14 48.8 q L27
2023-10-12 01:14:51 C 04 24 37.79 -19 14 54.3 q L27
2023-10-13 12:52:52 C 04 24 00.510 -19 23 34.58 X F52
2023-10-13 13:08:51 C 04 24 00.201 -19 23 38.48 X F52
2023-10-13 13:24:41 C 04 23 59.902 -19 23 42.48 X F52
2023-10-13 13:40:35 C 04 23 59.582 -19 23 46.50 X F52
2023-10-14 18:05:29 C 04 23 27.46 -19 30 33.7 V Q62