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
2023-11-02 17:55:07 S 05 33 16.697 +30 27 10.37 V C57
2023-11-02 17:55:07 s 1 +232558.53 7 +146842.71 0.619 C57
2023-11-02 18:15:07 S 05 33 11.050 +30 26 26.52 V C57
2023-11-02 18:15:07 s 1 +232605.73 8 +147851.73 0.416 C57
2023-11-02 18:35:07 S 05 33 05.376 +30 25 42.89 V C57
2023-11-02 18:35:07 s 1 +232649.01 8 +148858.24 0.335 C57
2023-11-02 18:55:07 S 05 32 59.789 +30 25 00.19 V C57
2023-11-02 18:55:07 s 1 +232688.35 7 +149862.21 0.367 C57
2023-11-02 19:15:07 S 05 32 54.113 +30 24 15.26 V C57
2023-11-02 19:15:07 s 1 +232723.78 5 +150863.64 0.539 C57
2023-11-02 19:35:07 S 05 32 48.658 +30 23 34.12 V C57
2023-11-02 19:35:07 s 1 +232755.32 8 +151862.53 0.873 C57
2023-11-02 19:55:07 S 05 32 42.818 +30 22 49.33 V C57
2023-11-02 19:55:07 s 1 +232782.96 7 +152858.85 0.362 C57
2023-11-02 20:15:07 S 05 32 37.356 +30 22 07.07 V C57
2023-11-02 20:15:07 s 1 +232806.73 0 +153852.60 0.032 C57
2023-11-02 20:35:07 S 05 32 31.759 +30 21 23.22 V C57
2023-11-02 20:35:07 s 1 +232826.64 3 +154843.79 0.905 C57
2023-11-02 20:55:07 S 05 32 25.865 +30 20 38.87 V C57
2023-11-02 20:55:07 s 1 +232842.68 8 +155832.39 0.973 C57
2023-11-02 21:15:07 S 05 32 20.503 +30 19 56.35 V C57
2023-11-02 21:15:07 s 1 +232854.89 3 +156818.40 0.262 C57
2023-11-02 21:35:07 S 05 32 14.827 +30 19 12.79 V C57
2023-11-02 21:35:07 s 1 +232863.28 2 +157801.82 0.794 C57
2023-11-02 21:55:07 S 05 32 09.312 +30 18 29.23 V C57
2023-11-02 21:55:07 s 1 +232867.83 8 +158782.61 0.562 C57
2023-11-02 22:15:07 S 05 32 03.581 +30 17 44.63 V C57
2023-11-02 22:15:07 s 1 +232868.58 8 +159760.80 0.589 C57
2023-11-02 22:35:07 S 05 31 58.051 +30 17 01.93 V C57
2023-11-02 22:35:07 s 1 +232865.55 7 +160736.36 0.899 C57
2023-11-02 22:55:07 S 05 31 52.416 +30 16 17.90 V C57
2023-11-02 22:55:07 s 1 +232858.72 8 +161709.28 0.483 C57
2023-11-02 23:15:07 S 05 31 46.714 +30 15 34.02 V C57
2023-11-02 23:15:07 s 1 +232848.12 6 +162679.56 0.366 C57
2023-11-02 23:35:07 S 05 31 41.338 +30 14 52.19 V C57
2023-11-02 23:35:07 s 1 +232833.77 7 +163647.20 0.57 C57
2023-11-02 23:55:07 S 05 31 35.657 +30 14 06.68 V C57
2023-11-02 23:55:07 s 1 +232815.66 2 +164612.18 0.087 C57
2023-11-03 00:15:07 S 05 31 30.086 +30 13 23.52 V C57
2023-11-03 00:15:07 s 1 +232793.80 9 +165574.48 0.94 C57
2023-11-03 00:35:07 S 05 31 24.240 +30 12 38.84 V C57
2023-11-03 00:35:07 s 1 +232768.24 1 +166534.12 0.152 C57
2023-11-03 01:35:07 S 05 31 07.426 +30 10 28.49 V C57
2023-11-03 01:35:07 s 1 +232669.24 9 +169396.90 0.984 C57
2023-11-03 01:55:07 S 05 31 02.016 +30 09 44.96 V C57
2023-11-03 01:55:07 s 1 +232628.86 1 +170345.76 0.705 C57
2023-11-03 02:15:07 S 05 30 56.242 +30 08 59.03 V C57
2023-11-03 02:15:07 s 1 +232584.80 0 +171291.90 0.836 C57
2023-11-03 02:35:07 S 05 30 50.854 +30 08 17.34 V C57
2023-11-03 02:35:07 s 1 +232537.08 9 +172235.33 0.4 C57