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
2024-01-10 18:18:04 B 02 56 41.830 -12 37 54.98 V L65
2024-01-10 19:27:08 C 02 56 40.28 -12 37 03.1 q K77
2024-01-10 19:31:45 B 02 56 40.07 -12 37 01.7 X M18
2024-01-10 19:48:42 C 02 56 39.84 -12 36 49.2 q K77
2024-01-10 19:52:40 B 02 56 39.66 -12 36 45.7 X M18
2024-01-10 20:10:31 C 02 56 39.199 -12 36 34.30 Z M09
2024-01-10 20:13:41 B 02 56 39.14 -12 36 31.1 X M18
2024-01-10 20:21:19 C 02 56 38.930 -12 36 25.95 Z M09
2024-01-10 20:31:21 C 02 56 38.768 -12 36 18.39 Z M09
2024-01-10 20:49:39 C 02 56 38.345 -12 36 05.62 X L79
2024-01-10 20:49:40 C 02 56 38.34 -12 36 05.6 X L79
2024-01-10 20:53:46 C 02 56 38.174 -12 36 02.59 X L79
2024-01-10 20:53:47 C 02 56 38.18 -12 36 02.6 X L79
2024-01-10 20:57:01 C 02 56 38.086 -12 35 59.28 X L79
2024-01-10 20:57:02 C 02 56 38.09 -12 35 59.3 X L79
2024-01-11 18:25:52 C 02 56 10.28 -12 20 19.5 V G17
2024-01-11 18:40:39 C 02 56 09.95 -12 20 09.0 V G17
2024-01-11 18:54:23 C 02 56 09.66 -12 19 58.1 V G17
2024-01-11 19:41:54 C 02 56 08.551 -12 19 18.95 V M22
2024-01-11 19:47:12 C 02 56 08.453 -12 19 15.02 V M22
2024-01-11 19:55:42 C 02 56 08.261 -12 19 08.90 V M22
2024-01-11 20:00:19 C 02 56 08.278 -12 19 09.08 V J47
2024-01-11 20:11:32 C 02 56 07.908 -12 18 57.17 V M22
2024-01-11 20:31:18 C 02 56 07.603 -12 18 47.20 V Z10
2024-01-11 20:42:36 C 02 56 07.346 -12 18 38.12 V J47
2024-01-11 20:44:32 C 02 56 07.310 -12 18 37.48 V Z10
2024-01-11 21:23:26 C 02 56 06.442 -12 18 08.17 V J47
2024-01-12 01:54:37 C 02 56 00.74 -12 14 45.6 V X03
2024-01-12 02:04:52 C 02 56 00.52 -12 14 38.0 V X03
2024-01-12 02:14:32 C 02 56 00.31 -12 14 30.7 V X03
2024-01-12 02:24:12 C 02 56 00.11 -12 14 23.6 V X03
2024-01-12 18:00:29 C 02 55 41.19 -12 02 57.8 q A77
2024-01-12 18:10:20 C 02 55 40.99 -12 02 50.4 q A77
2024-01-12 18:19:52 C 02 55 40.79 -12 02 43.3 q A77
2024-01-13 07:08:19 C 02 55 25.584 -11 53 12.16 V T08
2024-01-13 07:22:42 C 02 55 25.284 -11 53 01.54 V T08
2024-01-13 07:26:52 C 02 55 25.202 -11 52 58.26 V T08
2024-01-13 07:35:15 C 02 55 25.042 -11 52 52.14 V T08
2024-01-13 09:54:41 C 02 55 22.45 -11 51 09.6 q D95
2024-01-13 10:02:25 C 02 55 22.30 -11 51 03.8 q D95
2024-01-13 10:07:04 C 02 55 22.21 -11 50 59.5 q D95
2024-01-13 19:05:19 C 02 55 12.01 -11 44 19.1 q 215
2024-01-13 19:07:11 C 02 55 11.97 -11 44 17.7 q 215
2024-01-13 19:09:03 C 02 55 11.94 -11 44 16.3 q 215
2024-01-14 01:26:21 C 02 55 04.870 -11 39 28.98 V W68
2024-01-14 01:30:54 C 02 55 04.774 -11 39 25.63 V W68
2024-01-14 01:48:36 C 02 55 04.447 -11 39 12.46 V W68
2024-01-14 01:56:25 C 02 55 04.296 -11 39 06.44 V W68
2024-01-14 11:00:28 C 02 54 54.50 -11 32 22.7 q Q11
2024-01-14 11:12:48 C 02 54 54.26 -11 32 13.5 q Q11