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
2024-04-11 19:19:38 C 03 58 58.10 +19 23 38.8 V M14
2024-04-11 19:28:33 C 03 58 58.76 +19 23 47.1 V M14
2024-04-11 19:44:29 B 03 58 59.94 +19 24 01.3 X M18
2024-04-11 19:50:59 B 03 59 00.46 +19 24 07.7 X M18
2024-04-11 19:57:20 B 03 59 00.92 +19 24 13.4 X M18
2024-04-11 20:12:23 B 03 59 02.01 +19 24 27.5 Z Y99
2024-04-11 20:22:37 B 03 59 02.78 +19 24 37.2 Z Y99
2024-04-11 20:31:50 B 03 59 03.46 +19 24 45.6 Z Y99
2024-04-12 19:11:02 C 04 00 46.140 +19 45 48.64 X L79
2024-04-12 19:15:15 C 04 00 46.452 +19 45 52.45 X L79
2024-04-12 19:19:18 C 04 00 46.766 +19 45 55.94 X L79
2024-04-12 20:10:05 B 04 00 50.57 +19 46 43.4 Z Y99
2024-04-12 20:20:21 B 04 00 51.35 +19 46 53.0 Z Y99
2024-04-12 20:29:35 B 04 00 52.05 +19 47 01.5 Z Y99
2024-04-13 18:54:05 C 04 02 35.095 +20 07 51.38 X L79
2024-04-13 18:58:09 C 04 02 35.381 +20 07 55.16 X L79
2024-04-13 19:02:59 C 04 02 35.750 +20 07 59.20 X L79
2024-04-14 10:40:48 C 04 03 48.46 +20 22 32.0 m 349
2024-04-14 10:46:56 C 04 03 48.93 +20 22 37.9 m 349
2024-04-14 10:53:00 C 04 03 49.39 +20 22 43.5 m 349
2024-04-14 20:36:31 C 04 04 34.865 +20 31 46.42 V G40
2024-04-14 20:42:52 C 04 04 35.366 +20 31 52.46 V G40
2024-04-14 20:49:11 C 04 04 35.868 +20 31 58.37 V G40
2024-04-15 20:15:49 B 04 06 27.24 +20 53 49.1 V Y87
2024-04-15 20:25:33 B 04 06 28.01 +20 53 58.2 V Y87
2024-04-15 20:35:39 B 04 06 28.83 +20 54 07.6 V Y87
2024-04-19 10:24:43 C 04 13 28.81 +22 13 59.5 m 349
2024-04-19 10:33:42 C 04 13 29.57 +22 14 07.8 m 349
2024-04-19 10:40:26 C 04 13 30.12 +22 14 13.9 m 349
2024-04-19 19:35:05 C 04 14 15.05 +22 22 30.8 X K83
2024-04-19 19:38:01 C 04 14 15.36 +22 22 33.7 X K83
2024-04-19 19:40:41 C 04 14 15.58 +22 22 36.6 X K83
2024-04-23 19:53:17 B 04 22 36.187 +23 52 11.64 V B50
2024-04-23 19:56:09 B 04 22 36.514 +23 52 14.52 V B50
2024-04-23 20:00:08 B 04 22 36.854 +23 52 18.16 V B50
2024-04-27 10:55:44 C 04 30 35.03 +25 13 10.3 u 367
2024-04-27 10:57:30 C 04 30 35.18 +25 13 11.8 u 367
2024-04-27 10:59:14 C 04 30 35.34 +25 13 13.5 u 367
2024-05-02 20:22:19 B 04 43 16.11 +27 13 07.1 Z Y99
2024-05-02 20:28:27 B 04 43 16.72 +27 13 12.6 Z Y99
2024-05-02 20:34:35 B 04 43 17.35 +27 13 18.1 Z Y99
2024-05-03 10:20:07 C 04 44 41.94 +27 26 01.0 m 349
2024-05-03 10:24:04 C 04 44 42.32 +27 26 04.9 m 349
2024-05-03 10:27:58 C 04 44 42.74 +27 26 08.4 m 349
2024-05-03 10:43:21 C 04 44 44.24 +27 26 22.9 q 903
2024-05-03 10:47:29 C 04 44 44.75 +27 26 27.1 q 903
2024-05-03 10:51:36 C 04 44 45.11 +27 26 30.8 q 903
2024-05-05 19:55:03 C 04 50 43.764 +28 19 00.52 V D47
2024-05-05 19:56:06 C 04 50 43.915 +28 19 02.35 V D47
2024-05-05 19:57:08 C 04 50 43.999 +28 19 02.46 V D47