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
2023-11-29 13:38:24 C 03 31 18.49 +09 55 07.6 V 323
2023-11-29 13:49:40 C 03 31 17.36 +09 54 53.2 V 323
2023-11-29 14:24:08 C 03 31 13.76 +09 54 14.1 V 323
2023-11-29 14:30:20 C 03 31 13.171 +09 54 04.64 V P07
2023-11-29 15:21:24 C 03 31 07.829 +09 53 05.35 V P07
2023-11-29 16:32:53 C 03 31 00.391 +09 51 41.94 V P07
2023-11-29 18:14:55 C 03 30 51.046 +09 49 45.52 X L68
2023-11-29 18:19:12 C 03 30 50.599 +09 49 40.55 X L68
2023-11-29 18:23:21 C 03 30 50.182 +09 49 35.47 X L68
2023-11-29 21:50:25 C 03 30 29.011 +09 45 37.15 V M22
2023-11-29 21:55:42 C 03 30 28.471 +09 45 30.92 V M22
2023-11-29 22:03:37 C 03 30 27.660 +09 45 21.89 V M22
2023-11-29 22:19:37 C 03 30 26.023 +09 45 03.60 V M22
2023-12-01 13:28:08 C 03 26 44.182 +09 01 51.02 V P07
2023-12-01 13:29:34 C 03 26 44.026 +09 01 49.37 V P07
2023-12-01 15:08:58 C 03 26 34.675 +09 00 04.36 V P07
2023-12-01 16:28:15 C 03 26 27.218 +08 58 41.16 V P07
2023-12-01 16:28:22 C 03 26 27.197 +08 58 41.30 V P07
2023-12-01 17:14:11 C 03 26 22.918 +08 57 52.88 V P07
2023-12-02 21:18:38 C 03 23 56.724 +08 29 20.54 V M22
2023-12-02 21:23:57 C 03 23 56.251 +08 29 15.14 V M22
2023-12-02 21:32:37 C 03 23 55.495 +08 29 06.61 V M22
2023-12-02 21:46:57 C 03 23 54.242 +08 28 52.39 V M22
2023-12-03 07:47:52 C 03 23 04.087 +08 18 51.84 Z U76
2023-12-03 07:48:27 C 03 23 03.930 +08 18 51.37 V 703
2023-12-03 07:51:26 C 03 23 03.689 +08 18 48.67 V 703
2023-12-03 07:54:25 C 03 23 03.433 +08 18 45.76 V 703
2023-12-03 07:57:24 C 03 23 03.188 +08 18 43.02 V 703
2023-12-03 08:04:49 C 03 23 02.638 +08 18 35.42 Z U76
2023-12-03 08:20:51 C 03 23 01.279 +08 18 19.84 Z U76
2023-12-04 02:26:31 C 03 21 34.450 +08 01 29.06 V W68
2023-12-04 02:30:29 C 03 21 34.128 +08 01 25.43 V W68
2023-12-04 02:36:26 C 03 21 33.634 +08 01 19.92 V W68
2023-12-04 10:31:26 C 03 20 56.122 +07 53 53.50 X F51
2023-12-04 10:56:38 C 03 20 54.092 +07 53 30.56 X F51
2023-12-04 11:18:50 C 03 20 52.316 +07 53 10.32 X F51
2023-12-04 11:38:03 C 03 20 50.783 +07 52 52.85 X F51
2023-12-05 08:14:02 C 03 19 17.972 +07 34 36.62 V G96
2023-12-05 08:22:09 C 03 19 17.360 +07 34 29.64 V G96
2023-12-05 08:30:15 C 03 19 16.741 +07 34 22.66 V G96
2023-12-05 08:38:21 C 03 19 16.129 +07 34 15.53 V G96
2023-12-05 21:11:43 C 03 18 22.217 +07 23 48.26 V M22
2023-12-05 21:22:03 C 03 18 21.456 +07 23 39.55 V M22
2023-12-05 21:26:41 C 03 18 21.118 +07 23 35.77 V M22
2023-12-05 21:41:14 C 03 18 20.042 +07 23 23.60 V M22
2023-12-06 07:57:10 C 03 17 36.640 +07 14 40.52 V 703
2023-12-06 08:00:29 C 03 17 36.395 +07 14 37.57 V 703
2023-12-06 08:03:48 C 03 17 36.172 +07 14 35.02 V 703
2023-12-06 08:07:07 C 03 17 35.927 +07 14 32.10 V 703
2023-12-06 20:40:23 C 03 16 45.28 +07 04 25.1 V D31