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
2025-04-01 01:41:46 C 06 36 16.942 -19 49 50.02 V W68
2025-04-01 01:57:48 C 06 36 16.819 -19 49 34.39 V W68
2025-04-01 19:16:28 C 06 36 12.504 -19 33 03.64 V M22
2025-04-01 19:23:51 C 06 36 12.432 -19 32 56.98 V M22
2025-04-01 19:40:31 C 06 36 12.362 -19 32 41.10 V M22
2025-04-02 19:04:53 C 06 36 08.791 -19 10 22.08 V M22
2025-04-02 19:09:33 C 06 36 08.762 -19 10 17.72 V M22
2025-04-02 19:17:31 C 06 36 08.774 -19 10 10.56 V M22
2025-04-08 01:47:49 C 06 36 33.288 -17 09 43.45 V W68
2025-04-08 01:52:01 C 06 36 33.276 -17 09 39.74 V W68
2025-04-08 02:06:20 C 06 36 33.362 -17 09 25.70 V W68
2025-04-08 02:13:54 C 06 36 33.403 -17 09 18.97 V W68
2025-04-09 01:53:24 C 06 36 45.900 -16 46 49.62 V W68
2025-04-09 01:58:05 C 06 36 45.905 -16 46 44.54 V W68
2025-04-09 02:06:00 C 06 36 45.984 -16 46 37.85 V W68
2025-04-09 02:24:03 C 06 36 46.198 -16 46 20.06 V W68
2025-04-10 00:57:07 C 06 37 00.353 -16 24 55.94 V W68
2025-04-10 01:04:57 C 06 37 00.403 -16 24 48.49 V W68
2025-04-10 01:09:36 C 06 37 00.473 -16 24 44.14 V W68
2025-04-10 01:25:23 C 06 37 00.655 -16 24 28.26 V W68
2025-04-13 01:26:34 C 06 37 59.462 -15 16 08.87 V W68
2025-04-13 01:31:08 C 06 37 59.510 -15 16 04.73 V W68
2025-04-13 01:41:41 C 06 37 59.638 -15 15 54.94 V W68
2025-04-13 01:59:29 C 06 37 59.954 -15 15 36.68 V W68
2025-04-13 06:20:36 C 06 38 04.200 -15 11 37.43 V T08
2025-04-13 06:25:58 C 06 38 04.286 -15 11 32.42 V T08
2025-04-13 06:35:52 C 06 38 04.442 -15 11 23.42 V T08
2025-04-13 06:51:09 C 06 38 04.694 -15 11 08.45 V T08
2025-04-15 05:48:44 C 06 38 54.871 -14 26 36.42 V T05
2025-04-15 06:02:32 C 06 38 55.075 -14 26 23.42 V T05
2025-04-15 06:07:09 C 06 38 55.174 -14 26 18.78 V T05
2025-04-15 06:37:35 C 06 38 55.673 -14 25 49.94 V T05
2025-04-15 17:57:02 C 06 39 09.154 -14 14 57.16 V M22
2025-04-15 18:01:35 C 06 39 09.214 -14 14 52.84 V M22
2025-04-15 18:09:24 C 06 39 09.353 -14 14 45.92 V M22
2025-04-15 18:10:42 C 06 39 09.389 -14 14 44.52 V M22
2025-04-15 18:15:18 C 06 39 09.475 -14 14 40.78 V M22
2025-04-15 18:39:30 C 06 39 09.902 -14 14 17.23 V M22
2025-04-15 18:42:06 C 06 39 09.996 -14 14 14.96 V M22
2025-04-15 18:49:56 C 06 39 10.114 -14 14 06.83 V M22
2025-04-17 01:19:49 C 06 39 48.346 -13 45 10.01 V W68
2025-04-17 01:24:24 C 06 39 48.444 -13 45 05.65 V W68
2025-04-17 01:32:20 C 06 39 48.617 -13 44 58.42 V W68
2025-04-17 01:48:32 C 06 39 48.931 -13 44 42.50 V W68
2025-04-18 18:52:14 C 06 40 45.725 -13 05 40.56 V M22
2025-04-18 18:56:54 C 06 40 45.811 -13 05 36.42 V M22
2025-04-18 19:06:09 C 06 40 46.018 -13 05 27.42 V M22
2025-04-19 17:17:15 C 06 41 19.229 -12 44 19.97 V M22
2025-04-19 17:26:23 C 06 41 19.447 -12 44 11.54 V M22
2025-04-19 17:30:56 C 06 41 19.546 -12 44 07.15 V M22