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
2023-11-05 23:15:07 s 1 +156775.87 8 +297928.91 7650.0 C57
2023-11-05 23:35:07 S 05 11 47.597 +27 29 34.69 V C57
2023-11-05 23:35:07 s 1 +156135.67 0 +298151.56 4720.0 C57
2023-11-05 23:55:07 S 05 11 42.101 +27 28 46.34 V C57
2023-11-05 23:55:07 s 1 +155493.21 4 +298369.84 4270.0 C57
2023-11-06 00:15:07 S 05 11 36.871 +27 27 59.72 V C57
2023-11-06 00:15:07 s 1 +154848.52 6 +298583.75 6430.0 C57
2023-11-06 00:35:07 S 05 11 31.378 +27 27 11.77 V C57
2023-11-06 00:35:07 s 1 +154201.61 8 +298793.31 1290.0 C57
2023-11-06 00:55:07 S 05 11 26.018 +27 26 23.50 V C57
2023-11-06 00:55:07 s 1 +153552.48 0 +298998.46 8900.0 C57
2023-11-06 01:15:07 S 05 11 20.779 +27 25 37.81 V C57
2023-11-06 01:15:07 s 1 +152901.12 6 +299199.21 9360.0 C57
2023-11-06 01:35:07 S 05 11 15.226 +27 24 48.02 V C57
2023-11-06 01:35:07 s 1 +152247.56 9 +299395.56 2790.0 C57
2023-11-06 01:55:07 S 05 11 09.847 +27 23 59.93 V C57
2023-11-06 01:55:07 s 1 +151591.79 7 +299587.48 9220.0 C57
2023-11-06 02:15:07 S 05 11 04.435 +27 23 12.55 V C57
2023-11-06 02:15:07 s 1 +150933.82 5 +299774.97 8770.0 C57
2023-11-06 02:35:07 S 05 10 59.076 +27 22 25.18 V C57
2023-11-06 02:35:07 s 1 +150273.66 7 +299958.03 1550.0 C57
2023-11-06 02:55:07 S 05 10 53.770 +27 21 38.16 V C57
2023-11-06 02:55:07 s 1 +149611.31 0 +300136.61 7590.0 C57
2023-11-06 03:35:07 S 05 10 42.986 +27 20 02.40 V C57
2023-11-06 03:35:07 s 1 +148280.06 0 +300480.39 9930.0 C57
2023-11-06 03:55:07 S 05 10 37.646 +27 19 14.45 V C57
2023-11-06 03:55:07 s 1 +147611.16 8 +300645.54 6370.0 C57
2023-11-06 04:15:07 S 05 10 32.136 +27 18 23.98 V C57
2023-11-06 04:15:07 s 1 +146940.10 9 +300806.19 6470.0 C57
2023-11-06 04:35:07 S 05 10 27.403 +27 17 38.80 V C57
2023-11-06 04:35:07 s 1 +146266.89 5 +300962.34 320.0 C57
2023-11-06 04:55:07 S 05 10 21.454 +27 16 50.09 V C57
2023-11-06 04:55:07 s 1 +145591.51 7 +301113.95 7970.0 C57
2023-11-06 05:15:07 S 05 10 16.066 +27 16 02.03 V C57
2023-11-06 05:15:07 s 1 +144913.98 9 +301261.02 9540.0 C57
2023-11-06 05:35:07 S 05 10 10.668 +27 15 15.44 V C57
2023-11-06 05:35:07 s 1 +144234.32 3 +301403.56 5130.0 C57
2023-11-06 05:55:07 S 05 10 05.316 +27 14 26.84 V C57
2023-11-06 05:55:07 s 1 +143552.50 9 +301541.52 4800.0 C57
2023-11-06 06:15:07 S 05 10 00.038 +27 13 38.78 V C57
2023-11-06 06:15:07 s 1 +142868.56 1 +301674.91 8660.0 C57
2023-11-06 06:35:07 S 05 09 54.600 +27 12 50.22 V C57
2023-11-06 06:35:07 s 1 +142182.49 2 +301803.74 6820.0 C57
2023-11-06 06:55:07 S 05 09 49.147 +27 12 01.87 V C57
2023-11-06 06:55:07 s 1 +141494.29 2 +301927.94 9320.0 C57
2023-11-06 07:04:35 C 05 09 27.816 +27 01 38.93 V W68
2023-11-06 07:15:07 S 05 09 43.776 +27 11 13.88 V C57
2023-11-06 07:15:07 s 1 +140803.97 5 +302047.54 6300.0 C57
2023-11-06 07:35:07 S 05 09 38.479 +27 10 25.61 V C57
2023-11-06 07:35:07 s 1 +140111.55 4 +302162.53 7840.0 C57