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
2024-07-23 21:27:43 C 10 37 25.406 +38 06 02.16 V Z10
2024-07-23 21:28:54 B 10 37 25.75 +38 06 00.8 V Y87
2024-07-23 21:35:29 C 10 37 27.166 +38 05 55.93 V Z10
2024-07-23 21:37:03 B 10 37 27.49 +38 05 53.5 V Y87
2024-07-23 21:45:25 C 10 37 29.206 +38 05 46.00 V Z10
2024-07-24 18:14:22 C 10 41 50.85 +37 47 13.0 Z D04
2024-07-24 18:30:53 C 10 41 54.37 +37 46 57.7 Z D04
2024-07-24 18:47:26 C 10 41 57.89 +37 46 42.8 Z D04
2024-07-24 21:18:16 B 10 42 29.80 +37 44 23.8 V Y87
2024-07-24 21:25:18 B 10 42 31.29 +37 44 17.1 V Y87
2024-07-24 21:31:58 B 10 42 32.71 +37 44 11.1 V Y87
2024-07-25 18:54:17 C 10 47 03.11 +37 24 08.6 Z D04
2024-07-25 19:10:56 C 10 47 06.65 +37 23 53.0 Z D04
2024-07-25 19:27:35 C 10 47 10.26 +37 23 37.9 Z D04
2024-07-25 20:27:05 C 10 47 22.62 +37 22 41.1 q A77
2024-07-25 20:43:51 C 10 47 26.18 +37 22 25.1 q A77
2024-07-25 20:56:06 C 10 47 28.75 +37 22 13.4 q A77
2024-07-25 21:00:21 C 10 47 29.66 +37 22 09.4 q A77
2024-07-25 21:29:38 C 10 47 35.772 +37 21 41.33 V Z10
2024-07-25 21:38:26 C 10 47 37.606 +37 21 33.01 V Z10
2024-07-25 21:48:18 C 10 47 39.684 +37 21 23.22 V Z10
2024-07-26 19:42:58 C 10 52 14.26 +37 00 10.3 V L54
2024-07-26 20:13:21 C 10 52 20.61 +36 59 40.8 V L54
2024-07-26 20:23:26 C 10 52 22.72 +36 59 31.5 q A77
2024-07-26 20:26:12 C 10 52 23.34 +36 59 28.9 q A77
2024-07-26 20:29:28 C 10 52 24.01 +36 59 25.5 q A77
2024-07-26 20:32:42 C 10 52 24.67 +36 59 22.1 q A77
2024-07-26 20:35:57 C 10 52 25.35 +36 59 19.4 q A77
2024-07-26 20:39:13 C 10 52 26.04 +36 59 16.2 q A77
2024-07-26 20:40:31 C 10 52 26.29 +36 59 14.3 V L54
2024-07-26 20:42:27 C 10 52 26.70 +36 59 13.1 q A77
2024-07-26 20:45:42 C 10 52 27.34 +36 59 09.5 q A77
2024-07-26 20:48:58 C 10 52 28.06 +36 59 06.8 q A77
2024-07-26 22:43:24 C 10 52 51.859 +36 57 12.89 V I81
2024-07-26 22:45:13 C 10 52 52.214 +36 57 10.51 V I81
2024-07-26 22:47:01 C 10 52 52.608 +36 57 09.47 V I81
2024-07-26 22:48:50 C 10 52 52.982 +36 57 07.02 V I81
2024-07-27 18:06:40 C 10 56 52.34 +36 37 54.7 Z D04
2024-07-27 18:14:09 C 10 56 53.89 +36 37 47.2 Z D04
2024-07-27 18:21:36 C 10 56 55.43 +36 37 39.7 Z D04
2024-07-27 21:21:48 B 10 57 32.50 +36 34 37.8 V Y87
2024-07-27 21:25:28 C 10 57 33.278 +36 34 34.03 V Z10
2024-07-27 21:30:09 B 10 57 34.22 +36 34 29.2 V Y87
2024-07-27 21:35:03 C 10 57 35.14 +36 34 25.1 q 950
2024-07-27 21:35:49 C 10 57 35.417 +36 34 23.56 V Z10
2024-07-27 21:38:07 B 10 57 35.86 +36 34 21.0 V Y87
2024-07-27 21:47:31 C 10 57 37.805 +36 34 11.46 V Z10
2024-07-27 21:50:02 C 10 57 38.22 +36 34 09.8 q 950
2024-07-27 22:03:18 C 10 57 40.96 +36 33 56.2 q 950
2024-07-28 20:19:26 C 11 02 14.51 +36 11 05.5 q 215