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 11:35:07 S 05 28 19.171 +29 48 19.08 V C57
2023-11-03 11:35:07 s 1 +229900.78 9 +196651.19 0.708 C57
2023-11-03 11:55:07 S 05 28 13.733 +29 47 37.61 V C57
2023-11-03 11:55:07 s 1 +229754.54 0 +197515.35 0.761 C57
2023-11-03 12:15:07 S 05 28 08.215 +29 46 54.26 V C57
2023-11-03 12:15:07 s 1 +229604.91 0 +198376.57 0.561 C57
2023-11-03 12:35:07 S 05 28 02.782 +29 46 09.08 V C57
2023-11-03 12:35:07 s 1 +229451.92 1 +199234.86 0.128 C57
2023-11-03 12:55:07 S 05 27 57.293 +29 45 25.67 V C57
2023-11-03 12:55:07 s 1 +229295.55 5 +200090.19 0.455 C57
2023-11-03 13:15:07 S 05 27 51.518 +29 44 39.52 V C57
2023-11-03 13:15:07 s 1 +229135.83 5 +200942.57 0.56 C57
2023-11-03 13:35:07 S 05 27 45.991 +29 43 55.92 V C57
2023-11-03 13:35:07 s 1 +228972.78 1 +201791.99 0.463 C57
2023-11-03 13:52:25 C 05 26 47.405 +29 29 00.89 V T05
2023-11-03 13:57:09 C 05 26 46.075 +29 28 50.30 V T05
2023-11-03 14:05:09 C 05 26 43.831 +29 28 32.27 V T05
2023-11-03 14:15:07 S 05 27 34.966 +29 42 25.88 V C57
2023-11-03 14:15:07 s 1 +228636.64 5 +203481.89 0.659 C57
2023-11-03 14:35:07 S 05 27 29.256 +29 41 44.05 V C57
2023-11-03 14:35:07 s 1 +228463.60 5 +204322.38 0.989 C57
2023-11-03 14:55:07 S 05 27 23.534 +29 40 55.52 V C57
2023-11-03 14:55:07 s 1 +228287.24 2 +205159.86 0.14 C57
2023-11-03 14:57:31 C 05 26 29.158 +29 26 34.12 V T05
2023-11-03 15:15:07 S 05 27 18.082 +29 40 12.54 V C57
2023-11-03 15:15:07 s 1 +228107.57 6 +205994.35 0.131 C57
2023-11-03 15:35:07 S 05 27 12.533 +29 39 26.21 V C57
2023-11-03 15:35:07 s 1 +227924.62 9 +206825.84 0.979 C57
2023-11-03 15:55:07 S 05 27 06.605 +29 38 40.96 V C57
2023-11-03 15:55:07 s 1 +227738.38 3 +207654.31 0.678 C57
2023-11-03 16:15:07 S 05 27 01.253 +29 37 57.65 V C57
2023-11-03 16:15:07 s 1 +227548.86 1 +208479.76 0.247 C57
2023-11-03 16:35:07 S 05 26 55.654 +29 37 11.93 V C57
2023-11-03 16:35:07 s 1 +227356.08 2 +209302.20 0.703 C57
2023-11-03 16:55:07 S 05 26 50.618 +29 36 30.17 V C57
2023-11-03 16:55:07 s 1 +227160.03 0 +210121.58 0.039 C57
2023-11-03 17:15:07 S 05 26 44.534 +29 35 42.58 V C57
2023-11-03 17:15:07 s 1 +226960.72 6 +210937.93 0.274 C57
2023-11-03 17:35:07 S 05 26 38.899 +29 34 58.37 V C57
2023-11-03 17:35:07 s 1 +226758.19 1 +211751.25 0.426 C57
2023-11-03 17:55:07 S 05 26 33.578 +29 34 15.67 V C57
2023-11-03 17:55:07 s 1 +226552.40 8 +212561.50 0.487 C57
2023-11-03 18:15:07 S 05 26 27.698 +29 33 27.97 V C57
2023-11-03 18:15:07 s 1 +226343.39 7 +213368.69 0.476 C57
2023-11-03 18:35:07 S 05 26 22.298 +29 32 43.66 V C57
2023-11-03 18:35:07 s 1 +226131.18 0 +214172.82 0.411 C57
2023-11-03 18:55:07 S 05 26 16.668 +29 31 58.01 V C57
2023-11-03 18:55:07 s 1 +225915.73 8 +214973.87 0.284 C57
2023-11-03 19:15:07 S 05 26 11.095 +29 31 13.84 V C57
2023-11-03 19:15:07 s 1 +225697.09 4 +215771.83 0.113 C57