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
2024-05-05 19:58:11 C 04 50 44.129 +28 19 03.54 V D47
2024-05-05 19:59:15 C 04 50 44.225 +28 19 04.69 V D47
2024-05-05 20:00:18 C 04 50 44.388 +28 19 05.95 V D47
2024-05-05 20:02:23 C 04 50 44.654 +28 19 08.72 V D47
2024-05-05 20:03:26 C 04 50 44.688 +28 19 08.87 V D47
2024-05-05 20:04:29 C 04 50 44.935 +28 19 10.16 V D47
2024-05-07 20:02:27 C 04 55 56.326 +29 03 04.28 V D47
2024-05-07 20:04:31 C 04 55 56.558 +29 03 06.80 V D47
2024-05-07 20:06:36 C 04 55 56.770 +29 03 08.50 V D47
2024-05-07 20:08:40 C 04 55 56.976 +29 03 09.50 V D47
2024-05-08 20:00:34 B 04 58 35.59 +29 24 57.2 M18
2024-05-08 20:07:48 B 04 58 36.40 +29 25 03.9 M18
2024-05-08 20:21:48 B 04 58 37.97 +29 25 16.7 M18
2024-05-08 20:23:12 B 04 58 38.09 +29 25 18.5 Z Y99
2024-05-08 20:28:33 B 04 58 38.72 +29 25 22.8 M18
2024-05-08 20:33:26 B 04 58 39.23 +29 25 27.7 Z Y99
2024-05-08 20:42:38 B 04 58 40.22 +29 25 35.7 Z Y99
2024-05-09 10:30:12 C 05 00 13.02 +29 38 09.9 m 349
2024-05-09 10:35:28 C 05 00 13.60 +29 38 14.7 m 349
2024-05-09 10:40:47 C 05 00 14.20 +29 38 19.5 m 349
2024-05-09 19:59:13 C 05 01 17.32 +29 46 46.8 q L27
2024-05-09 20:10:06 C 05 01 18.61 +29 46 56.3 q L27
2024-05-09 20:21:20 C 05 01 19.87 +29 47 06.1 q L27
2024-05-10 19:44:24 B 05 03 59.97 +30 08 18.3 X G00
2024-05-10 19:46:39 B 05 04 00.23 +30 08 20.5 X G00
2024-05-10 19:48:53 B 05 04 00.49 +30 08 22.5 X G00
2024-05-11 20:45:17 C 05 06 54.017 +30 30 54.26 Z M09
2024-05-11 20:51:47 C 05 06 54.767 +30 30 59.90 Z M09
2024-05-11 20:58:18 C 05 06 55.519 +30 31 05.54 Z M09
2024-05-13 20:28:20 B 05 12 33.45 +31 13 44.2 M18
2024-05-13 20:36:42 B 05 12 34.44 +31 13 51.4 M18
2024-05-13 20:45:04 B 05 12 35.48 +31 13 59.1 M18
2024-05-14 10:31:23 C 05 14 15.37 +31 26 17.5 m 349
2024-05-14 10:36:46 C 05 14 16.02 +31 26 22.2 m 349
2024-05-14 10:42:02 C 05 14 16.65 +31 26 26.9 m 349
2024-05-14 11:02:24 C 05 14 19.08 +31 26 45.6 q 903
2024-05-14 11:05:29 C 05 14 19.48 +31 26 48.0 q 903
2024-05-14 11:09:04 C 05 14 19.87 +31 26 50.7 q 903
2024-05-19 17:48:28 C 05 30 22.02 +33 18 01.4 Z D04
2024-05-19 17:48:50 C 05 30 22.17 +33 18 03.1 Z D04
2024-05-19 17:49:11 C 05 30 21.95 +33 18 04.3 Z D04
2024-05-21 18:24:27 C 05 36 52.40 +33 59 39.2 Z D04
2024-05-21 18:30:41 C 05 36 53.27 +33 59 45.1 Z D04
2024-05-21 18:36:53 C 05 36 54.13 +33 59 50.4 Z D04
2024-05-22 18:24:42 C 05 40 09.80 +34 19 58.5 Z D04
2024-05-22 18:30:50 C 05 40 10.67 +34 20 03.6 Z D04
2024-05-22 18:36:58 C 05 40 11.49 +34 20 08.6 Z D04
2024-05-23 18:31:58 C 05 43 31.32 +34 40 10.6 Z D04
2024-05-23 18:38:19 C 05 43 32.15 +34 40 14.7 Z D04
2024-05-23 18:58:58 C 05 43 35.09 +34 40 31.4 Z D04