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
2024-02-17 19:27:21 C 02 56 49.682 -00 09 54.39 V L92
2024-02-17 19:32:01 C 02 56 49.744 -00 09 51.65 V L92
2024-02-17 19:37:13 C 02 56 50.049 -00 09 47.64 V L92
2024-02-17 19:55:10 B 02 56 50.23 -00 09 30.6 Z Y99
2024-02-17 20:15:06 B 02 56 50.66 -00 09 13.1 Z Y99
2024-02-17 20:33:53 B 02 56 51.06 -00 08 56.9 Z Y99
2024-02-19 00:51:04 C 02 57 28.718 +00 15 51.59 q H47
2024-02-19 01:04:42 C 02 57 29.076 +00 16 02.93 q H47
2024-02-19 01:09:02 C 02 57 29.189 +00 16 06.96 q H47
2024-02-19 01:13:47 C 02 57 29.278 +00 16 11.96 q H47
2024-02-20 05:25:17 C 02 58 08.827 +00 40 57.76 V T05
2024-02-20 05:30:30 C 02 58 08.947 +00 41 02.26 V T05
2024-02-20 05:38:18 C 02 58 09.130 +00 41 09.20 V T05
2024-02-20 05:53:30 C 02 58 09.480 +00 41 22.56 V T05
2024-02-21 01:12:50 C 02 58 37.862 +00 58 22.58 q H47
2024-02-21 01:15:03 C 02 58 37.925 +00 58 23.88 q H47
2024-02-21 01:16:58 C 02 58 37.946 +00 58 25.90 q H47
2024-02-21 17:13:56 C 02 59 02.05 +01 12 28.2 V C40
2024-02-21 17:27:01 C 02 59 02.36 +01 12 39.8 V C40
2024-02-21 17:40:05 C 02 59 02.70 +01 12 51.9 V C40
2024-02-21 20:17:01 C 02 59 06.754 +01 15 09.00 V I81
2024-02-21 20:30:33 C 02 59 07.068 +01 15 21.02 V I81
2024-02-21 20:34:41 C 02 59 07.224 +01 15 25.09 V I81
2024-02-21 20:38:50 C 02 59 07.303 +01 15 28.26 V I81
2024-02-23 18:04:48 C 03 00 19.76 +01 55 34.7 V C40
2024-02-23 18:11:31 B 03 00 20.030 +01 55 41.12 X K74
2024-02-23 18:12:22 B 03 00 20.066 +01 55 41.52 X K87
2024-02-23 18:14:18 B 03 00 20.114 +01 55 43.36 X K74
2024-02-23 18:15:32 B 03 00 20.148 +01 55 44.08 X K87
2024-02-23 18:16:51 B 03 00 20.179 +01 55 45.48 X K74
2024-02-23 18:18:42 B 03 00 20.213 +01 55 47.46 X K87
2024-02-23 18:19:23 B 03 00 20.251 +01 55 47.68 X K74
2024-02-23 18:20:30 C 03 00 20.20 +01 55 48.9 V C40
2024-02-23 18:21:56 B 03 00 20.292 +01 55 50.34 X K74
2024-02-23 18:36:11 C 03 00 20.66 +01 56 03.2 V C40
2024-02-24 05:44:52 C 03 00 39.240 +02 05 55.61 V T05
2024-02-24 05:50:17 C 03 00 39.382 +02 06 00.32 V T05
2024-02-24 05:58:10 C 03 00 39.600 +02 06 07.27 V T05
2024-02-24 06:14:32 C 03 00 40.049 +02 06 21.82 V T05
2024-02-24 18:14:26 B 03 01 00.439 +02 16 57.25 X K87
2024-02-24 18:17:36 B 03 01 00.566 +02 17 00.35 X K87
2024-02-24 18:20:46 B 03 01 00.638 +02 17 03.98 X K87
2024-02-24 18:38:19 C 03 01 01.109 +02 17 23.35 V M22
2024-02-24 18:40:16 C 03 01 01.22 +02 17 20.6 q A77
2024-02-24 18:44:03 C 03 01 01.277 +02 17 28.54 V M22
2024-02-24 18:48:56 C 03 01 01.46 +02 17 28.5 q A77
2024-02-24 18:52:43 C 03 01 01.514 +02 17 36.17 V M22
2024-02-24 18:57:36 C 03 01 01.70 +02 17 36.0 q A77
2024-02-24 19:24:41 C 03 01 02.412 +02 18 04.39 V M22
2024-02-25 19:11:27 B 03 01 44.03 +02 39 03.7 X M18