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
2023-11-01 08:35:07 S 05 42 38.014 +31 36 59.98 V C57
2023-11-01 08:35:07 s 1 +205472.48 3 +35144.643 0.738 C57
2023-11-01 08:55:07 S 05 42 32.458 +31 36 19.69 V C57
2023-11-01 08:55:07 s 1 +205990.86 0 +36343.146 0.853 C57
2023-11-01 09:15:07 S 05 42 26.813 +31 35 38.36 V C57
2023-11-01 09:15:07 s 1 +206503.57 7 +37540.640 0.033 C57
2023-11-01 09:35:07 S 05 42 21.346 +31 34 52.07 V C57
2023-11-01 09:35:07 s 1 +207010.67 9 +38737.102 0.325 C57
2023-11-01 09:55:07 S 05 42 15.542 +31 34 17.00 V C57
2023-11-01 09:55:07 s 1 +207512.14 6 +39932.500 0.72 C57
2023-11-01 10:15:07 S 05 42 09.998 +31 33 36.68 V C57
2023-11-01 10:15:07 s 1 +208008.02 3 +41126.810 0.268 C57
2023-11-01 10:35:07 S 05 42 04.385 +31 32 56.15 V C57
2023-11-01 10:35:07 s 1 +208498.35 5 +42320.014 0.015 C57
2023-11-01 10:55:07 S 05 41 59.100 +31 32 16.76 V C57
2023-11-01 10:55:07 s 1 +208983.12 1 +43512.077 0.952 C57
2023-11-01 11:15:07 S 05 41 53.090 +31 31 35.18 V C57
2023-11-01 11:15:07 s 1 +209462.36 8 +44702.980 0.129 C57
2023-11-01 11:35:07 S 05 41 47.640 +31 30 54.90 V C57
2023-11-01 11:35:07 s 1 +209936.13 6 +45892.703 0.589 C57
2023-11-01 11:55:07 S 05 41 41.890 +31 30 13.18 V C57
2023-11-01 11:55:07 s 1 +210404.40 8 +47081.214 0.325 C57
2023-11-01 12:35:07 S 05 41 30.936 +31 28 53.08 V C57
2023-11-01 12:35:07 s 1 +211324.63 5 +49454.523 0.809 C57
2023-11-01 17:15:07 S 05 40 12.221 +31 19 17.22 V C57
2023-11-01 17:15:07 s 1 +217169.96 2 +65915.051 0.119 C57
2023-11-01 17:35:07 S 05 40 06.624 +31 18 36.54 V C57
2023-11-01 17:35:07 s 1 +217548.46 9 +67079.712 0.928 C57
2023-11-01 17:55:07 S 05 40 01.140 +31 17 56.29 V C57
2023-11-01 17:55:07 s 1 +217921.86 0 +68242.784 0.479 C57
2023-11-01 18:15:07 S 05 39 55.409 +31 17 13.34 V C57
2023-11-01 18:15:07 s 1 +218290.17 7 +69404.255 0.814 C57
2023-11-01 18:35:07 S 05 39 49.774 +31 16 31.55 V C57
2023-11-01 18:35:07 s 1 +218653.45 6 +70564.113 0.971 C57
2023-11-01 18:55:07 S 05 39 44.302 +31 15 51.95 V C57
2023-11-01 18:55:07 s 1 +219011.67 9 +71722.327 0.942 C57
2023-11-01 19:15:07 S 05 39 38.549 +31 15 08.82 V C57
2023-11-01 19:15:07 s 1 +219364.88 6 +72878.886 0.766 C57
2023-11-01 19:35:07 S 05 39 32.844 +31 14 27.17 V C57
2023-11-01 19:35:07 s 1 +219713.11 4 +74033.779 0.481 C57
2023-11-01 19:55:07 S 05 39 27.122 +31 13 44.69 V C57
2023-11-01 19:55:07 s 1 +220056.34 4 +75186.975 0.08 C57
2023-11-01 20:15:07 S 05 39 21.706 +31 13 05.05 V C57
2023-11-01 20:15:07 s 1 +220394.61 5 +76338.465 0.6 C57
2023-11-01 20:35:07 S 05 39 16.258 +31 12 24.84 V C57
2023-11-01 20:35:07 s 1 +220727.96 4 +77488.238 0.08 C57
2023-11-01 20:55:07 S 05 39 10.471 +31 11 42.32 V C57
2023-11-01 20:55:07 s 1 +221056.37 1 +78636.264 0.511 C57
2023-11-01 21:15:07 S 05 39 05.131 +31 11 02.11 V C57
2023-11-01 21:15:07 s 1 +221379.87 5 +79782.533 0.93 C57