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
2024-06-22 18:40:01 C 07 50 26.34 +41 59 11.0 Z D04
2024-06-22 18:50:00 C 07 50 28.45 +41 59 13.5 Z D04
2024-06-22 22:18:02 C 07 51 12.619 +42 00 07.02 V 970
2024-06-22 22:28:06 C 07 51 14.767 +42 00 09.90 V 970
2024-06-22 22:29:06 C 07 51 14.969 +42 00 10.66 Z M09
2024-06-22 22:33:59 C 07 51 16.065 +42 00 11.60 Z M09
2024-06-22 22:39:24 C 07 51 17.290 +42 00 12.86 Z M09
2024-06-22 23:00:46 V 07 51 21.682 +42 00 19.15 V 247
2024-06-22 23:00:46 v 1 007.4656 +51.8520 247
2024-06-22 23:01:53 V 07 51 21.958 +42 00 19.26 V 247
2024-06-22 23:01:53 v 1 007.4656 +51.8520 247
2024-06-22 23:07:28 V 07 51 23.146 +42 00 21.06 V 247
2024-06-22 23:07:28 v 1 007.4656 +51.8520 247
2024-06-23 18:23:04 C 07 55 29.19 +42 05 04.5 Z D04
2024-06-23 18:33:02 C 07 55 31.35 +42 05 06.9 Z D04
2024-06-23 18:43:00 C 07 55 33.47 +42 05 09.4 Z D04
2024-06-23 21:30:10 B 07 56 09.27 +42 05 47.5 M18
2024-06-23 21:36:50 B 07 56 10.69 +42 05 48.8 M18
2024-06-23 21:43:31 B 07 56 12.12 +42 05 50.2 M18
2024-06-23 22:07:39 C 07 56 17.315 +42 05 55.62 Z M09
2024-06-23 22:14:58 C 07 56 18.886 +42 05 57.17 Z M09
2024-06-23 22:18:03 C 07 56 19.522 +42 05 58.34 V 970
2024-06-23 22:22:01 C 07 56 20.398 +42 05 59.41 Z M09
2024-06-23 22:23:50 C 07 56 20.774 +42 05 59.46 V 970
2024-06-23 22:35:43 V 07 56 23.323 +42 06 01.51 V 247
2024-06-23 22:35:43 v 1 007.4656 +51.8520 247
2024-06-23 22:36:48 V 07 56 23.532 +42 06 01.84 V 247
2024-06-23 22:36:48 v 1 007.4656 +51.8520 247
2024-06-24 18:25:19 C 08 00 38.91 +42 10 16.5 Z D04
2024-06-24 18:35:17 C 08 00 41.08 +42 10 18.3 Z D04
2024-06-24 18:45:16 C 08 00 43.24 +42 10 20.3 Z D04
2024-06-24 21:18:53 B 08 01 16.40 +42 10 50.2 M18
2024-06-24 21:28:41 B 08 01 18.49 +42 10 52.1 M18
2024-06-24 21:39:06 B 08 01 20.75 +42 10 53.8 M18
2024-06-24 22:09:53 C 08 01 27.417 +42 10 59.21 Z M09
2024-06-24 22:17:12 C 08 01 29.018 +42 11 00.56 Z M09
2024-06-24 22:24:16 C 08 01 30.552 +42 11 01.81 Z M09
2024-06-24 22:50:33 V 08 01 36.266 +42 11 07.73 V 247
2024-06-24 22:50:33 v 1 007.4656 +51.8520 247
2024-06-24 22:52:47 V 08 01 36.701 +42 11 08.34 V 247
2024-06-24 22:52:47 v 1 007.4656 +51.8520 247
2024-06-25 21:15:43 B 08 06 27.87 +42 15 06.7 M18
2024-06-25 21:26:22 B 08 06 30.16 +42 15 08.1 M18
2024-06-25 22:15:01 C 08 06 40.810 +42 15 15.93 Z M09
2024-06-25 22:22:21 C 08 06 42.408 +42 15 17.08 Z M09
2024-06-25 22:23:31 C 08 06 42.686 +42 15 17.28 V 970
2024-06-25 22:29:23 C 08 06 43.952 +42 15 18.19 Z M09
2024-06-25 22:30:12 V 08 06 44.160 +42 15 19.19 V 247
2024-06-25 22:30:12 v 1 007.4656 +51.8520 247
2024-06-25 22:32:26 V 08 06 44.599 +42 15 19.22 V 247