3838 Epona (1986 WA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7027320931 ± 1.48e-08
Semi-major axis (a)1.5048507223 AU ± 8.12e-10
Inclination (i)29.19742174° ± 2.05e-06
Long. of Asc. Node (Ω)235.45990588° ± 2.17e-06
Arg. of Perihelion (ω)49.73036289° ± 2.55e-06
Mean Anomaly (M)79.34514013° ± 2.89e-06
Mean Motion (n)0.5339150274°/day ± 4.32e-10
Perihelion dist (q)0.44734382 AU ± 2.23e-08
Aphelion dist (Q)2.56235762 AU ± 2.23e-08
Orbital Period1.84603585 yr ± 1.49e-09
Physical Parameters
H (abs. magnitude)15.67
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.260″
Uncertainty0
Orbit TypeApollo
MOID0.158551 AU
Observations Used2104
Gaia Obs Used70
Oppositions14
Arc Total1986-2026
First Observation Used1986-12-01
Last Observation Used2026-02-27
Observations (2522)
Date Type RA Dec Mag Band Observatory
2023-12-06 21:32:31 C 03 16 41.63 +07 03 43.1 V D31
2023-12-06 22:41:12 C 03 16 36.89 +07 02 48.3 V D31
2023-12-07 06:20:19 C 03 16 06.575 +06 56 50.93 V 703
2023-12-07 06:23:15 C 03 16 06.366 +06 56 48.70 V 703
2023-12-07 06:26:13 C 03 16 06.190 +06 56 46.32 V 703
2023-12-07 06:29:10 C 03 16 05.966 +06 56 43.94 V 703
2023-12-07 12:30:04 C 03 15 43.121 +06 52 17.47 V P07
2023-12-07 13:14:55 C 03 15 40.104 +06 51 43.38 V P07
2023-12-07 13:56:29 C 03 15 37.306 +06 51 11.70 V P07
2023-12-07 14:37:49 C 03 15 34.490 +06 50 40.27 V P07
2023-12-07 15:13:07 C 03 15 32.131 +06 50 13.52 V P07
2023-12-07 15:48:36 C 03 15 29.767 +06 49 46.56 V P07
2023-12-08 12:27:42 C 03 14 13.373 +06 34 30.40 V P07
2023-12-08 13:13:04 C 03 14 10.502 +06 33 57.17 V P07
2023-12-08 13:53:15 C 03 14 07.970 +06 33 28.98 V P07
2023-12-08 14:36:19 C 03 14 05.230 +06 32 58.09 V P07
2023-12-08 15:12:04 C 03 14 02.976 +06 32 32.53 V P07
2023-12-08 16:30:37 C 03 13 58.015 +06 31 36.41 V P07
2023-12-09 07:15:47 C 03 13 06.723 +06 21 07.52 X F51
2023-12-09 07:36:08 C 03 13 05.491 +06 20 53.55 X F51
2023-12-09 07:54:10 C 03 13 04.397 +06 20 41.20 X F51
2023-12-10 08:45:28 C 03 11 41.434 +06 04 08.58 V T05
2023-12-10 08:53:25 C 03 11 40.985 +06 04 03.58 V T05
2023-12-10 08:58:38 C 03 11 40.692 +06 04 00.12 V T05
2023-12-10 09:13:13 C 03 11 39.866 +06 03 50.65 V T05
2023-12-10 12:54:41 C 03 11 28.459 +06 01 36.91 V P07
2023-12-10 14:10:55 C 03 11 24.204 +06 00 48.56 V P07
2023-12-10 14:51:38 C 03 11 21.934 +06 00 22.79 V P07
2023-12-10 15:26:11 C 03 11 20.042 +06 00 00.61 V P07
2023-12-10 15:27:55 C 03 11 19.927 +05 59 59.75 V P07
2023-12-10 16:01:54 C 03 11 18.007 +05 59 37.68 V P07
2023-12-10 20:34:48 C 03 11 04.087 +05 56 48.08 V M22
2023-12-10 20:39:26 C 03 11 03.818 +05 56 45.17 V M22
2023-12-10 20:53:31 C 03 11 03.050 +05 56 36.38 V M22
2023-12-10 21:08:45 C 03 11 02.222 +05 56 26.81 V M22
2023-12-11 06:29:41 C 03 10 33.488 +05 50 28.32 V 703
2023-12-11 06:32:55 C 03 10 33.290 +05 50 26.52 V 703
2023-12-11 06:36:10 C 03 10 33.114 +05 50 24.32 V 703
2023-12-11 06:39:25 C 03 10 32.948 +05 50 22.42 V 703
2023-12-11 12:38:31 C 03 10 15.482 +05 46 55.34 V P07
2023-12-11 13:18:39 C 03 10 13.409 +05 46 31.44 V P07
2023-12-11 13:54:07 C 03 10 11.582 +05 46 10.67 V P07
2023-12-11 14:33:50 C 03 10 09.492 +05 45 47.02 V P07
2023-12-11 15:18:15 C 03 10 07.171 +05 45 20.74 V P07
2023-12-11 15:52:19 C 03 10 05.366 +05 45 00.18 V P07
2023-12-14 20:51:26 C 03 06 43.272 +05 03 38.16 V M22
2023-12-14 20:56:00 C 03 06 43.080 +05 03 36.22 V M22
2023-12-14 21:06:32 C 03 06 42.648 +05 03 31.10 V M22
2023-12-14 21:20:57 C 03 06 42.041 +05 03 23.76 V M22
2023-12-15 18:41:09 C 03 05 54.74 +04 53 12.7 V D31