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
2024-02-12 10:32:50 C 02 54 25.08 -02 02 11.0 u 367
2024-02-12 10:34:34 C 02 54 25.12 -02 02 09.2 u 367
2024-02-12 10:37:12 C 02 54 25.15 -02 02 06.9 u 367
2024-02-12 10:43:31 C 02 54 25.25 -02 02 01.6 q Q11
2024-02-12 10:56:57 C 02 54 25.45 -02 01 49.8 q Q11
2024-02-12 11:10:20 C 02 54 25.66 -02 01 38.3 q Q11
2024-02-12 13:07:03 C 02 54 27.48 -01 59 53.6 V 323
2024-02-12 13:11:14 C 02 54 27.55 -01 59 49.5 V 323
2024-02-12 13:15:18 C 02 54 27.61 -01 59 46.1 V 323
2024-02-12 18:11:15 C 02 54 32.50 -01 55 34.6 V G06
2024-02-12 18:14:50 C 02 54 32.56 -01 55 31.6 V G06
2024-02-12 18:18:59 C 02 54 32.63 -01 55 27.9 V G06
2024-02-12 18:34:55 C 02 54 32.88 -01 55 14.1 V G06
2024-02-12 19:23:33 C 02 54 33.638 -01 54 30.74 Z C23
2024-02-12 19:30:01 C 02 54 33.706 -01 54 25.56 Z C23
2024-02-12 19:34:20 C 02 54 33.802 -01 54 22.00 Z C23
2024-02-13 18:30:13 B 02 54 56.86 -01 34 28.9 X M18
2024-02-13 18:38:58 B 02 54 56.99 -01 34 20.9 X M18
2024-02-13 18:42:49 C 02 54 57.07 -01 34 17.2 V M14
2024-02-13 18:58:44 B 02 54 57.33 -01 34 03.8 X M18
2024-02-13 19:22:51 C 02 54 57.73 -01 33 42.8 V M14
2024-02-13 20:00:36 C 02 54 58.37 -01 33 09.8 V M14
2024-02-13 20:50:17 B 02 54 59.19 -01 32 27.1 Z Y99
2024-02-13 21:09:45 B 02 54 59.50 -01 32 09.1 Z Y99
2024-02-13 21:28:13 B 02 54 59.80 -01 31 53.5 Z Y99
2024-02-14 17:39:23 B 02 55 21.557 -01 14 20.62 V 160
2024-02-14 17:52:03 B 02 55 21.778 -01 14 09.60 V 160
2024-02-14 18:05:23 B 02 55 22.027 -01 13 58.30 V 160
2024-02-15 00:30:49 C 02 55 29.088 -01 08 17.34 V W68
2024-02-15 00:38:03 C 02 55 29.206 -01 08 11.33 V W68
2024-02-15 00:44:40 C 02 55 29.318 -01 08 05.53 V W68
2024-02-15 01:02:57 C 02 55 29.657 -01 07 49.66 V W68
2024-02-15 17:46:51 C 02 55 48.77 -00 53 19.6 Z M38
2024-02-15 17:54:35 C 02 55 48.93 -00 53 12.6 Z M38
2024-02-16 05:33:27 C 02 56 02.602 -00 43 01.99 V T05
2024-02-16 05:37:22 C 02 56 02.693 -00 42 58.39 V T05
2024-02-16 05:38:01 C 02 56 02.726 -00 42 57.60 V T05
2024-02-16 05:41:56 C 02 56 02.782 -00 42 54.47 V T05
2024-02-16 05:47:36 C 02 56 02.873 -00 42 49.43 V T05
2024-02-16 05:52:19 C 02 56 02.974 -00 42 45.50 V T05
2024-02-16 06:04:04 C 02 56 03.228 -00 42 34.06 V T05
2024-02-16 06:07:19 C 02 56 03.266 -00 42 32.15 V T05
2024-02-16 18:05:55 C 02 56 17.79 -00 32 05.7 V L85
2024-02-16 19:20:13 C 02 56 19.25 -00 31 00.8 V L85
2024-02-16 19:53:59 C 02 56 20.02 -00 30 31.7 V J01
2024-02-16 20:09:55 C 02 56 20.30 -00 30 17.5 V J01
2024-02-16 20:25:53 C 02 56 20.60 -00 30 02.3 V J01
2024-02-17 12:33:59 C 02 56 40.78 -00 15 52.3 V 323
2024-02-17 12:38:13 C 02 56 40.78 -00 15 48.4 V 323
2024-02-17 12:42:23 C 02 56 40.99 -00 15 45.5 V 323