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
2024-07-02 18:20:32 C 08 43 13.49 +42 21 19.3 Z D04
2024-07-02 18:30:29 C 08 43 15.74 +42 21 18.3 Z D04
2024-07-02 18:40:26 C 08 43 17.98 +42 21 16.7 Z D04
2024-07-02 21:36:12 C 08 43 57.588 +42 21 00.36 V Z10
2024-07-02 21:43:56 C 08 43 59.573 +42 21 00.76 V Z10
2024-07-03 18:21:54 C 08 48 40.89 +42 18 40.7 Z D04
2024-07-03 18:31:53 C 08 48 43.16 +42 18 39.1 Z D04
2024-07-03 18:41:53 C 08 48 45.43 +42 18 37.7 Z D04
2024-07-03 21:28:47 B 08 49 24.30 +42 18 14.4 V Y87
2024-07-03 21:32:48 C 08 49 24.355 +42 18 14.11 V Z10
2024-07-03 21:37:11 C 08 49 25.344 +42 18 14.36 V Z10
2024-07-03 21:37:54 B 08 49 25.46 +42 18 13.3 Z Y99
2024-07-03 21:43:43 B 08 49 27.75 +42 18 12.3 V Y87
2024-07-03 21:48:08 B 08 49 27.81 +42 18 12.0 Z Y99
2024-07-03 21:57:18 B 08 49 29.92 +42 18 10.9 Z Y99
2024-07-04 11:25:16 C 08 52 33.93 +42 16 13.2 u 367
2024-07-04 11:27:36 C 08 52 34.50 +42 16 12.6 u 367
2024-07-04 11:29:55 C 08 52 35.01 +42 16 12.2 u 367
2024-07-04 11:38:37 C 08 52 37.00 +42 16 10.7 m 349
2024-07-04 11:43:37 C 08 52 38.13 +42 16 10.0 m 349
2024-07-04 11:47:08 C 08 52 38.93 +42 16 09.4 m 349
2024-07-04 11:53:17 C 08 52 40.34 +42 16 08.3 m 349
2024-07-04 18:34:43 C 08 54 11.98 +42 15 01.6 Z D04
2024-07-04 18:40:32 C 08 54 13.32 +42 15 00.6 Z D04
2024-07-04 18:46:22 C 08 54 14.67 +42 14 59.6 Z D04
2024-07-04 21:09:56 C 08 54 47.299 +42 14 36.67 V G40
2024-07-04 21:14:17 C 08 54 48.324 +42 14 36.13 V G40
2024-07-04 21:17:15 C 08 54 49.025 +42 14 35.12 V G40
2024-07-05 03:31:04 C 08 56 14.37 +42 13 28.0 V V21
2024-07-05 03:56:19 C 08 56 20.15 +42 13 23.4 V V21
2024-07-05 04:21:36 C 08 56 25.94 +42 13 18.3 V V21
2024-07-05 20:57:22 B 09 00 13.66 +42 09 58.9 M18
2024-07-05 21:01:42 B 09 00 14.68 +42 09 58.1 M18
2024-07-05 21:06:02 B 09 00 15.64 +42 09 57.0 M18
2024-07-05 21:09:58 C 09 00 16.380 +42 09 57.78 V G40
2024-07-05 21:12:50 C 09 00 17.052 +42 09 56.84 V G40
2024-07-05 21:17:13 C 09 00 18.060 +42 09 56.23 V G40
2024-07-06 20:17:24 B 09 05 34.111 +42 04 33.09 V L92
2024-07-06 20:22:48 B 09 05 35.335 +42 04 31.55 V L92
2024-07-06 20:27:16 C 09 05 36.444 +42 04 31.26 X L79
2024-07-06 20:28:11 B 09 05 36.405 +42 04 31.07 V L92
2024-07-06 20:31:24 C 09 05 37.404 +42 04 30.36 X L79
2024-07-06 20:35:31 C 09 05 38.352 +42 04 29.39 X L79
2024-07-06 21:22:26 C 09 05 49.082 +42 04 16.75 Z C23
2024-07-06 21:25:54 C 09 05 49.882 +42 04 16.07 Z C23
2024-07-06 21:30:30 C 09 05 50.935 +42 04 14.81 Z C23
2024-07-06 21:58:59 C 09 05 57.524 +42 04 07.63 Z M09
2024-07-06 22:06:18 C 09 05 59.202 +42 04 05.55 Z M09
2024-07-06 22:13:21 C 09 06 00.823 +42 04 03.67 Z M09
2024-07-06 22:13:45 C 09 06 00.924 +42 04 03.43 V 970