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 08:35:07 S 05 35 53.959 +30 47 11.29 V C57
2023-11-02 08:35:07 s 1 +229586.64 0 +117604.54 0.844 C57
2023-11-02 08:55:07 S 05 35 48.233 +30 46 27.70 V C57
2023-11-02 08:55:07 s 1 +229749.32 9 +118680.27 0.565 C57
2023-11-02 09:15:07 S 05 35 42.763 +30 45 45.90 V C57
2023-11-02 09:15:07 s 1 +229907.70 9 +119753.75 0.968 C57
2023-11-02 09:35:07 S 05 35 37.121 +30 45 02.92 V C57
2023-11-02 09:35:07 s 1 +230061.80 9 +120824.99 0.083 C57
2023-11-02 09:55:07 S 05 35 31.322 +30 44 20.26 V C57
2023-11-02 09:55:07 s 1 +230211.61 0 +121893.96 0.901 C57
2023-11-02 10:15:07 S 05 35 26.002 +30 43 39.29 V C57
2023-11-02 10:15:07 s 1 +230357.14 5 +122960.65 0.451 C57
2023-11-02 10:35:07 S 05 35 19.810 +30 42 53.06 V C57
2023-11-02 10:35:07 s 1 +230498.44 4 +124025.06 0.761 C57
2023-11-02 10:55:07 S 05 35 14.590 +30 42 13.36 V C57
2023-11-02 10:55:07 s 1 +230635.48 7 +125087.17 0.824 C57
2023-11-02 11:35:07 S 05 35 03.101 +30 40 45.91 V C57
2023-11-02 11:35:07 s 1 +230896.93 0 +127204.46 0.322 C57
2023-11-02 12:15:07 S 05 34 52.130 +30 39 21.49 V C57
2023-11-02 12:15:07 s 1 +231141.57 1 +129312.43 0.06 C57
2023-11-02 12:35:07 S 05 34 46.394 +30 38 38.76 V C57
2023-11-02 12:35:07 s 1 +231257.64 6 +130362.90 0.199 C57
2023-11-02 12:55:07 S 05 34 40.812 +30 37 55.92 V C57
2023-11-02 12:55:07 s 1 +231369.55 0 +131411.00 0.187 C57
2023-11-02 13:35:07 S 05 34 29.465 +30 36 32.00 V C57
2023-11-02 13:35:07 s 1 +231580.96 2 +133500.10 0.818 C57
2023-11-02 13:55:07 S 05 34 24.139 +30 35 47.51 V C57
2023-11-02 13:55:07 s 1 +231680.48 0 +134541.06 0.479 C57
2023-11-02 14:15:07 S 05 34 18.442 +30 35 03.95 V C57
2023-11-02 14:15:07 s 1 +231775.89 7 +135579.62 0.063 C57
2023-11-02 14:35:07 S 05 34 12.768 +30 34 20.64 V C57
2023-11-02 14:35:07 s 1 +231867.24 1 +136615.79 0.595 C57
2023-11-02 14:55:07 S 05 34 07.073 +30 33 37.12 V C57
2023-11-02 14:55:07 s 1 +231954.49 3 +137649.52 0.067 C57
2023-11-02 15:15:07 S 05 34 01.435 +30 32 55.00 V C57
2023-11-02 15:15:07 s 1 +232037.68 3 +138680.83 0.506 C57
2023-11-02 15:35:07 S 05 33 55.963 +30 32 11.80 V C57
2023-11-02 15:35:07 s 1 +232116.83 9 +139709.70 0.938 C57
2023-11-02 15:55:07 S 05 33 50.371 +30 31 29.53 V C57
2023-11-02 15:55:07 s 1 +232191.94 3 +140736.12 0.355 C57
2023-11-02 16:15:07 S 05 33 44.714 +30 30 46.55 V C57
2023-11-02 16:15:07 s 1 +232263.02 3 +141760.08 0.784 C57
2023-11-02 16:35:07 S 05 33 39.271 +30 30 04.03 V C57
2023-11-02 16:35:07 s 1 +232330.10 7 +142781.58 0.249 C57
2023-11-02 16:55:07 S 05 33 33.298 +30 29 16.91 V C57
2023-11-02 16:55:07 s 1 +232393.17 7 +143800.60 0.743 C57
2023-11-02 17:15:07 S 05 33 27.778 +30 28 35.80 V C57
2023-11-02 17:15:07 s 1 +232452.26 2 +144817.13 0.291 C57
2023-11-02 17:35:07 S 05 33 22.159 +30 27 52.60 V C57
2023-11-02 17:35:07 s 1 +232507.38 8 +145831.18 0.92 C57