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
2023-11-17 06:30:54 C 03 54 47.249 -21 22 48.83 V W68
2023-11-17 07:12:08 C 03 54 45.115 -21 22 47.03 V W68
2023-11-17 22:14:33 C 03 54 00.576 -21 22 25.72 V M22
2023-11-17 22:19:11 C 03 54 00.314 -21 22 25.39 V M22
2023-11-17 22:53:12 C 03 53 58.615 -21 22 24.53 V M22
2023-11-17 23:22:02 C 03 53 57.130 -21 22 23.77 V M22
2023-11-17 23:25:02 B 03 53 57.05 -21 22 27.3 X G00
2023-11-17 23:32:16 B 03 53 56.65 -21 22 27.5 X G00
2023-11-17 23:39:31 B 03 53 56.29 -21 22 27.3 X G00
2023-11-19 13:14:43 C 03 52 03.221 -21 20 59.21 q Q21
2023-11-19 13:28:19 C 03 52 02.467 -21 20 56.72 q Q21
2023-11-19 13:45:22 C 03 52 01.591 -21 20 57.66 q Q21
2023-11-20 05:02:06 C 03 51 15.113 -21 20 03.91 V W68
2023-11-20 05:06:53 C 03 51 14.818 -21 20 03.23 V W68
2023-11-20 05:16:04 C 03 51 14.386 -21 20 02.54 V W68
2023-11-20 06:04:24 C 03 51 11.880 -21 19 59.81 V W68
2023-11-20 12:50:59 C 03 50 51.41 -21 19 37.9 q D88
2023-11-20 12:55:47 C 03 50 51.16 -21 19 37.9 q D88
2023-11-21 13:55:47 C 03 49 34.34 -21 17 51.2 q D95
2023-11-21 14:01:55 C 03 49 33.92 -21 17 50.8 q D95
2023-11-21 15:00:16 C 03 49 30.82 -21 17 47.4 q 903
2023-11-21 15:15:07 C 03 49 30.13 -21 17 45.6 q 903
2023-11-21 23:36:34 C 03 49 04.255 -21 17 07.58 Z 213
2023-11-22 00:34:52 C 03 49 01.334 -21 17 00.53 Z 213
2023-11-22 01:31:17 C 03 48 58.728 -21 16 53.54 Z 213
2023-11-23 04:22:48 C 03 47 34.994 -21 14 23.86 V W68
2023-11-23 05:09:04 C 03 47 32.551 -21 14 19.54 V W68
2023-11-23 05:13:40 C 03 47 32.266 -21 14 19.32 V W68
2023-11-23 05:24:17 C 03 47 31.870 -21 14 21.62 V 703
2023-11-23 05:31:50 C 03 47 31.524 -21 14 21.30 V 703
2023-11-23 05:39:23 C 03 47 31.135 -21 14 20.00 V 703
2023-11-23 05:46:56 C 03 47 30.678 -21 14 19.18 V 703
2023-11-23 05:49:43 C 03 47 30.355 -21 14 15.72 V W68
2023-11-29 03:53:47 C 03 40 01.502 -20 53 50.14 V W68
2023-11-29 03:58:23 C 03 40 01.200 -20 53 49.38 V W68
2023-11-29 04:09:53 C 03 40 00.581 -20 53 47.33 V W68
2023-11-29 04:30:02 C 03 39 59.494 -20 53 44.16 V W68
2023-11-29 22:23:33 C 03 39 02.429 -20 50 17.92 V M22
2023-11-29 22:28:08 C 03 39 02.198 -20 50 15.40 V M22
2023-11-29 22:36:00 C 03 39 01.790 -20 50 14.21 V M22
2023-11-29 22:50:20 C 03 39 01.006 -20 50 10.64 V M22
2023-12-01 21:25:23 C 03 36 32.501 -20 40 17.26 Z 213
2023-12-01 22:31:28 C 03 36 28.939 -20 40 02.64 Z 213
2023-12-01 23:30:35 C 03 36 25.738 -20 39 49.25 Z 213
2023-12-02 03:23:23 C 03 36 13.44 -20 38 51.6 V X07
2023-12-02 03:24:46 C 03 36 13.36 -20 38 51.3 V X07
2023-12-02 03:26:09 C 03 36 13.29 -20 38 51.0 V X07
2023-12-02 03:27:31 C 03 36 13.22 -20 38 50.6 V X07
2023-12-02 07:52:04 C 03 35 58.920 -20 37 48.11 V W68
2023-12-02 07:58:07 C 03 35 58.606 -20 37 46.67 V W68