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
2023-11-03 02:55:07 S 05 30 44.686 +30 07 37.92 V C57
2023-11-03 02:55:07 s 1 +232485.71 0 +173176.02 0.388 C57
2023-11-03 03:35:07 S 05 30 33.878 +30 06 05.04 V C57
2023-11-03 03:35:07 s 1 +232372.04 9 +175049.18 0.726 C57
2023-11-03 03:55:07 S 05 30 28.226 +30 05 21.19 V C57
2023-11-03 03:55:07 s 1 +232309.77 3 +175981.64 0.089 C57
2023-11-03 04:15:07 S 05 30 22.714 +30 04 37.24 V C57
2023-11-03 04:15:07 s 1 +232243.88 5 +176911.33 0.935 C57
2023-11-03 04:35:07 S 05 30 16.812 +30 03 50.83 V C57
2023-11-03 04:35:07 s 1 +232174.41 0 +177838.27 0.285 C57
2023-11-03 04:55:07 S 05 30 11.167 +30 03 05.94 V C57
2023-11-03 04:55:07 s 1 +232101.32 9 +178762.42 0.13 C57
2023-11-03 05:15:07 S 05 30 05.981 +30 02 24.90 V C57
2023-11-03 05:15:07 s 1 +232024.66 7 +179683.78 0.492 C57
2023-11-03 05:35:07 S 05 30 00.187 +30 01 40.33 V C57
2023-11-03 05:35:07 s 1 +231944.44 8 +180602.37 0.393 C57
2023-11-03 05:55:07 S 05 29 54.646 +30 00 56.59 V C57
2023-11-03 05:55:07 s 1 +231860.65 3 +181518.15 0.824 C57
2023-11-03 06:15:07 S 05 29 49.027 +30 00 12.49 V C57
2023-11-03 06:15:07 s 1 +231773.30 8 +182431.12 0.808 C57
2023-11-03 06:35:07 S 05 29 43.562 +29 59 29.18 V C57
2023-11-03 06:35:07 s 1 +231682.43 5 +183341.29 0.363 C57
2023-11-03 06:55:07 S 05 29 38.081 +29 58 44.62 V C57
2023-11-03 06:55:07 s 1 +231588.01 6 +184248.63 0.483 C57
2023-11-03 07:15:07 S 05 29 32.460 +29 58 00.41 V C57
2023-11-03 07:15:07 s 1 +231490.07 6 +185153.14 0.189 C57
2023-11-03 07:35:07 S 05 29 26.669 +29 57 15.98 V C57
2023-11-03 07:35:07 s 1 +231388.63 7 +186054.83 0.501 C57
2023-11-03 07:55:07 S 05 29 21.050 +29 56 31.38 V C57
2023-11-03 07:55:07 s 1 +231283.68 2 +186953.66 0.411 C57
2023-11-03 08:15:07 S 05 29 15.482 +29 55 47.35 V C57
2023-11-03 08:15:07 s 1 +231175.23 5 +187849.64 0.941 C57
2023-11-03 08:35:07 S 05 29 09.840 +29 55 03.83 V C57
2023-11-03 08:35:07 s 1 +231063.31 8 +188742.78 0.109 C57
2023-11-03 08:55:07 S 05 29 04.334 +29 54 18.79 V C57
2023-11-03 08:55:07 s 1 +230947.91 3 +189633.04 0.909 C57
2023-11-03 09:15:07 S 05 28 58.702 +29 53 34.40 V C57
2023-11-03 09:15:07 s 1 +230829.04 5 +190520.43 0.361 C57
2023-11-03 09:35:07 S 05 28 53.042 +29 52 49.80 V C57
2023-11-03 09:35:07 s 1 +230706.73 4 +191404.95 0.485 C57
2023-11-03 09:55:07 S 05 28 47.366 +29 52 04.01 V C57
2023-11-03 09:55:07 s 1 +230580.96 5 +192286.58 0.273 C57
2023-11-03 10:15:07 S 05 28 41.950 +29 51 20.56 V C57
2023-11-03 10:15:07 s 1 +230451.76 0 +193165.31 0.746 C57
2023-11-03 10:35:07 S 05 28 36.420 +29 50 37.32 V C57
2023-11-03 10:35:07 s 1 +230319.14 2 +194041.15 0.922 C57
2023-11-03 10:55:07 S 05 28 30.624 +29 49 50.99 V C57
2023-11-03 10:55:07 s 1 +230183.09 2 +194914.08 0.794 C57
2023-11-03 11:15:07 S 05 28 24.629 +29 49 05.66 V C57
2023-11-03 11:15:07 s 1 +230043.63 3 +195784.09 0.384 C57