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
2024-08-11 20:26:43 B 12 05 19.88 +29 32 33.4 X M18
2024-08-11 20:27:36 C 12 05 20.042 +29 32 32.64 Z C23
2024-08-11 20:37:20 B 12 05 21.72 +29 32 19.6 X M18
2024-08-12 17:50:14 B 12 08 58.77 +29 04 47.5 V M75
2024-08-12 18:11:01 B 12 09 02.28 +29 04 20.2 V M75
2024-08-12 18:31:50 B 12 09 05.77 +29 03 53.2 V M75
2024-08-14 18:09:13 B 12 17 03.66 +28 01 27.5 V M75
2024-08-14 18:30:02 B 12 17 07.09 +28 00 59.9 V M75
2024-08-14 18:50:49 B 12 17 10.52 +28 00 32.5 V M75
2024-08-14 21:10:35 B 12 17 33.90 +27 57 25.9 V Y87
2024-08-14 21:22:45 B 12 17 35.90 +27 57 09.9 V Y87
2024-08-14 21:34:43 B 12 17 37.88 +27 56 54.1 V Y87
2024-08-15 18:02:51 B 12 20 58.66 +27 29 53.2 V M75
2024-08-15 18:23:39 B 12 21 02.07 +27 29 25.4 V M75
2024-08-15 18:44:27 B 12 21 05.46 +27 28 57.6 V M75
2024-08-15 20:08:14 C 12 21 19.130 +27 27 06.70 Z C23
2024-08-15 20:14:40 C 12 21 20.179 +27 26 58.06 Z C23
2024-08-15 20:21:04 C 12 21 21.206 +27 26 49.42 Z C23
2024-08-17 10:12:10 C 12 27 26.70 +26 36 32.7 m 349
2024-08-17 10:13:40 C 12 27 26.92 +26 36 30.8 m 349
2024-08-18 20:46:19 C 12 32 53.914 +25 50 21.41 V Z10
2024-08-18 20:55:07 C 12 32 55.272 +25 50 10.10 V Z10
2024-08-18 21:05:03 C 12 32 56.851 +25 49 56.71 V Z10
2024-08-21 19:56:19 C 12 43 48.324 +24 14 54.13 Z C23
2024-08-21 20:01:56 C 12 43 48.912 +24 14 48.59 Z C23
2024-08-21 20:06:19 C 12 43 49.591 +24 14 42.58 Z C23
2024-08-22 20:12:39 C 12 47 25.454 +23 42 21.60 Z K97
2024-08-22 20:15:40 C 12 47 25.896 +23 42 17.35 Z K97
2024-08-22 20:18:27 C 12 47 26.328 +23 42 13.86 Z K97
2024-08-22 20:38:02 B 12 47 29.44 +23 41 44.9 V Y87
2024-08-22 20:41:03 C 12 47 29.594 +23 41 44.30 V Z10
2024-08-22 20:48:46 C 12 47 30.787 +23 41 33.79 V Z10
2024-08-22 20:48:54 B 12 47 31.08 +23 41 30.3 V Y87
2024-08-22 20:58:43 C 12 47 32.297 +23 41 20.29 V Z10
2024-08-22 20:59:47 B 12 47 32.72 +23 41 15.7 V Y87
2024-08-23 10:43:43 C 12 49 34.07 +23 22 53.2 V P87
2024-08-23 10:50:04 C 12 49 35.02 +23 22 44.8 V P87
2024-08-23 10:57:14 C 12 49 36.08 +23 22 34.8 V P87
2024-08-23 19:17:31 C 12 50 49.550 +23 11 23.17 X L79
2024-08-23 19:21:57 C 12 50 50.196 +23 11 17.23 X L79
2024-08-23 19:26:15 C 12 50 50.825 +23 11 11.54 X L79
2024-08-23 19:53:43 C 12 50 54.814 +23 10 34.54 Z K97
2024-08-23 20:05:33 C 12 50 56.561 +23 10 18.77 Z K97
2024-08-23 20:16:16 C 12 50 58.138 +23 10 04.48 Z K97
2024-08-24 19:32:25 C 12 54 21.14 +22 38 52.6 V 134
2024-08-24 19:34:33 C 12 54 21.51 +22 38 49.0 V 134
2024-08-24 19:37:41 C 12 54 21.92 +22 38 45.8 V 134
2024-08-24 19:38:42 C 12 54 22.13 +22 38 44.8 V 134
2024-08-24 19:39:45 C 12 54 22.24 +22 38 43.6 V 134
2024-08-24 19:40:49 C 12 54 22.36 +22 38 41.5 V 134