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
2024-02-25 19:29:03 B 03 01 44.52 +02 39 19.4 X M18
2024-02-25 19:46:14 B 03 01 45.04 +02 39 34.6 X M18
2024-02-27 00:29:02 C 03 02 37.025 +03 05 07.98 V W68
2024-02-27 00:34:57 C 03 02 37.214 +03 05 13.27 V W68
2024-02-27 00:49:27 C 03 02 37.658 +03 05 26.12 V W68
2024-02-27 01:00:03 C 03 02 37.980 +03 05 35.48 V W68
2024-02-27 19:15:04 C 03 03 12.178 +03 21 44.39 Z C23
2024-02-27 19:18:52 C 03 03 12.278 +03 21 47.63 Z C23
2024-02-28 05:41:36 C 03 03 32.054 +03 31 03.04 V T05
2024-02-28 05:46:25 C 03 03 32.206 +03 31 07.28 V T05
2024-02-28 05:54:30 C 03 03 32.453 +03 31 14.45 V T05
2024-02-28 06:22:35 C 03 03 33.336 +03 31 39.40 V T05
2024-02-28 10:17:45 C 03 03 40.92 +03 35 07.8 q D95
2024-02-28 10:24:01 C 03 03 41.12 +03 35 13.0 q D95
2024-02-28 10:30:17 C 03 03 41.32 +03 35 18.6 q D95
2024-02-28 10:58:46 C 03 03 42.21 +03 35 44.7 m 349
2024-02-28 11:04:05 C 03 03 42.39 +03 35 49.6 m 349
2024-02-28 11:09:22 C 03 03 42.56 +03 35 54.3 m 349
2024-02-28 18:10:50 B 03 03 56.290 +03 42 08.50 X K87
2024-02-28 18:12:42 C 03 03 56.273 +03 42 14.87 V M22
2024-02-28 18:13:59 B 03 03 56.364 +03 42 11.12 X K87
2024-02-28 18:17:09 B 03 03 56.496 +03 42 14.33 X K87
2024-02-28 18:17:16 C 03 03 56.431 +03 42 19.01 V M22
2024-02-28 18:25:10 C 03 03 56.681 +03 42 26.06 V M22
2024-02-28 18:42:54 C 03 03 57.247 +03 42 41.69 V M22
2024-02-29 03:05:59 C 03 04 13.70 +03 50 05.4 V U94
2024-02-29 03:07:07 C 03 04 13.74 +03 50 06.5 V U94
2024-02-29 03:09:27 C 03 04 13.81 +03 50 08.6 V U94
2024-02-29 03:10:36 C 03 04 13.85 +03 50 09.6 V U94
2024-02-29 18:09:10 C 03 04 43.69 +04 03 30.2 V C40
2024-02-29 18:18:11 C 03 04 44.05 +04 03 37.6 V C40
2024-02-29 18:28:03 C 03 04 44.31 +04 03 46.3 V C40
2024-02-29 19:27:59 B 03 04 46.30 +04 04 39.9 X G00
2024-02-29 19:31:46 B 03 04 46.46 +04 04 43.6 X G00
2024-02-29 19:35:05 B 03 04 46.55 +04 04 46.4 X G00
2024-03-01 18:26:47 C 03 05 33.17 +04 25 14.9 V L09
2024-03-01 18:28:51 C 03 05 33.23 +04 25 16.5 V L09
2024-03-01 18:30:54 C 03 05 33.31 +04 25 18.7 V L09
2024-03-02 03:32:15 C 03 05 52.033 +04 33 17.82 V 703
2024-03-02 03:35:32 C 03 05 52.159 +04 33 20.88 V 703
2024-03-02 03:38:50 C 03 05 52.274 +04 33 23.87 V 703
2024-03-02 03:42:07 C 03 05 52.375 +04 33 26.82 V 703
2024-03-02 10:44:35 C 03 06 07.18 +04 39 43.7 q 903
2024-03-02 10:53:00 C 03 06 07.41 +04 39 52.0 q 903
2024-03-02 11:02:02 C 03 06 07.82 +04 39 59.8 q 903
2024-03-02 11:12:52 C 03 06 08.15 +04 40 09.5 q Q11
2024-03-02 11:27:17 C 03 06 08.61 +04 40 22.3 q Q11
2024-03-02 11:40:41 C 03 06 09.09 +04 40 34.3 q Q11
2024-03-02 11:47:53 C 03 06 09.36 +04 40 37.2 V G26
2024-03-02 13:04:48 C 03 06 12.72 +04 41 50.5 V G26