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
2024-09-01 19:39:17 B 13 20 46.51 +18 24 32.4 X M18
2024-09-01 19:41:00 C 13 20 46.745 +18 24 30.20 Z C23
2024-09-01 19:44:25 C 13 20 47.225 +18 24 25.56 Z C23
2024-09-01 20:23:14 C 13 20 52.284 +18 23 35.74 V Z10
2024-09-01 20:33:08 C 13 20 53.606 +18 23 22.99 V Z10
2024-09-01 20:44:13 C 13 20 55.006 +18 23 08.05 V Z10
2024-09-02 18:42:40 B 13 23 46.560 +17 54 37.23 V L92
2024-09-02 18:56:55 B 13 23 48.289 +17 54 18.78 V L92
2024-09-02 19:12:12 B 13 23 50.242 +17 53 58.56 V L92
2024-09-02 19:27:28 B 13 23 52.468 +17 53 39.02 V L92
2024-09-03 19:07:10 C 13 26 55.10 +17 23 06.6 V A98
2024-09-03 19:12:47 C 13 26 55.48 +17 22 54.2 V A98
2024-09-04 09:55:43 C 13 28 48.32 +17 04 05.6 m 349
2024-09-04 09:58:58 C 13 28 48.74 +17 04 01.4 m 349
2024-09-04 10:02:11 C 13 28 49.13 +17 03 57.2 m 349
2024-09-05 18:27:11 C 13 32 54.30 +16 22 33.7 V A98
2024-09-05 18:30:33 C 13 32 54.74 +16 22 29.3 V A98
2024-09-05 18:33:53 C 13 32 55.10 +16 22 24.7 V A98
2024-09-05 18:38:56 C 13 32 55.73 +16 22 18.2 V A98
2024-09-05 19:14:17 C 13 33 00.10 +16 21 34.2 A77
2024-09-05 19:20:17 C 13 33 00.88 +16 21 26.7 A77
2024-09-05 19:26:17 C 13 33 01.62 +16 21 19.2 A77
2024-09-05 19:34:46 B 13 33 02.69 +16 21 07.7 X M18
2024-09-05 19:45:59 B 13 33 04.08 +16 20 53.6 X M18
2024-09-05 19:56:58 B 13 33 05.47 +16 20 39.6 X M18
2024-09-06 18:55:21 C 13 35 56.83 +15 51 36.9 q 215
2024-09-06 18:57:51 C 13 35 57.08 +15 51 32.5 q 215
2024-09-06 19:00:24 C 13 35 57.39 +15 51 28.9 q 215
2024-09-06 19:12:19 C 13 35 58.86 +15 51 14.1 A77
2024-09-06 19:18:21 C 13 35 59.59 +15 51 06.6 A77
2024-09-06 19:24:21 C 13 36 00.34 +15 50 59.2 A77
2024-09-06 19:26:45 C 13 36 00.665 +15 50 55.36 Z K97
2024-09-06 19:31:36 C 13 36 01.279 +15 50 49.34 Z K97
2024-09-06 19:36:16 C 13 36 01.862 +15 50 43.58 Z K97
2024-09-07 18:49:22 B 13 38 53.07 +15 21 32.9 X G00
2024-09-07 18:51:29 B 13 38 53.34 +15 21 30.4 X G00
2024-09-07 18:53:36 B 13 38 53.60 +15 21 27.7 X G00
2024-09-07 18:57:16 C 13 38 54.07 +15 21 22.4 V A98
2024-09-07 18:59:30 C 13 38 54.26 +15 21 20.5 V A98
2024-09-07 19:15:17 B 13 38 56.23 +15 21 00.5 X M18
2024-09-07 19:24:24 B 13 38 57.33 +15 20 48.9 X M18
2024-09-07 19:33:27 B 13 38 58.43 +15 20 37.6 X M18
2024-09-08 10:18:25 V 13 40 46.183 +15 02 12.98 V 247
2024-09-08 10:18:25 v 1 134.3364 +35.0269 247
2024-09-08 10:31:05 V 13 40 47.748 +15 01 57.36 V 247
2024-09-08 10:31:05 v 1 134.3364 +35.0269 247
2024-09-08 10:37:26 V 13 40 48.511 +15 01 49.15 V 247
2024-09-08 10:37:26 v 1 134.3364 +35.0269 247
2024-09-08 10:43:46 V 13 40 49.267 +15 01 41.12 V 247
2024-09-08 10:43:46 v 1 134.3364 +35.0269 247