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 13:55:07 s 1 +173771.49 8 +289969.35 1210.0 C57
2023-11-05 14:15:07 S 05 14 19.404 +27 51 46.30 V C57
2023-11-05 14:15:07 s 1 +173196.11 5 +290309.72 1610.0 C57
2023-11-05 14:35:07 S 05 14 14.064 +27 51 00.22 V C57
2023-11-05 14:35:07 s 1 +172618.35 4 +290646.04 2260.0 C57
2023-11-05 14:55:07 S 05 14 08.561 +27 50 12.19 V C57
2023-11-05 14:55:07 s 1 +172038.20 1 +290978.25 3160.0 C57
2023-11-05 15:15:07 S 05 14 03.019 +27 49 22.80 V C57
2023-11-05 15:15:07 s 1 +171455.67 3 +291306.38 4440.0 C57
2023-11-05 15:35:07 S 05 13 57.691 +27 48 36.72 V C57
2023-11-05 15:35:07 s 1 +170870.78 1 +291630.42 6210.0 C57
2023-11-05 15:55:07 S 05 13 52.339 +27 47 50.14 V C57
2023-11-05 15:55:07 s 1 +170283.51 5 +291950.34 8470.0 C57
2023-11-05 16:15:07 S 05 13 46.790 +27 47 01.82 V C57
2023-11-05 16:15:07 s 1 +169693.88 9 +292266.14 1350.0 C57
2023-11-05 16:35:07 S 05 13 41.455 +27 46 14.84 V C57
2023-11-05 16:35:07 s 1 +169101.91 6 +292577.83 4960.0 C57
2023-11-05 16:55:07 S 05 13 35.894 +27 45 26.28 V C57
2023-11-05 16:55:07 s 1 +168507.58 3 +292885.36 9300.0 C57
2023-11-05 17:15:07 S 05 13 30.480 +27 44 39.23 V C57
2023-11-05 17:15:07 s 1 +167910.90 7 +293188.74 4500.0 C57
2023-11-05 17:35:07 S 05 13 25.063 +27 43 52.25 V C57
2023-11-05 17:35:07 s 1 +167311.89 9 +293487.98 670.0 C57
2023-11-05 17:55:07 S 05 13 19.598 +27 43 04.04 V C57
2023-11-05 17:55:07 s 1 +166710.54 9 +293783.04 7820.0 C57
2023-11-05 18:15:07 S 05 13 14.297 +27 42 17.60 V C57
2023-11-05 18:15:07 s 1 +166106.87 0 +294073.92 6070.0 C57
2023-11-05 18:35:07 S 05 13 08.770 +27 41 29.44 V C57
2023-11-05 18:35:07 s 1 +165500.87 6 +294360.63 5540.0 C57
2023-11-05 18:55:07 S 05 13 03.432 +27 40 42.10 V C57
2023-11-05 18:55:07 s 1 +164892.55 5 +294643.12 6230.0 C57
2023-11-05 19:15:07 S 05 12 57.996 +27 39 54.40 V C57
2023-11-05 19:15:07 s 1 +164281.92 1 +294921.40 8260.0 C57
2023-11-05 19:35:07 S 05 12 52.445 +27 39 07.52 V C57
2023-11-05 19:35:07 s 1 +163668.98 9 +295195.49 1750.0 C57
2023-11-05 19:55:07 S 05 12 47.086 +27 38 19.25 V C57
2023-11-05 19:55:07 s 1 +163053.74 5 +295465.33 6720.0 C57
2023-11-05 20:15:07 S 05 12 41.594 +27 37 30.11 V C57
2023-11-05 20:15:07 s 1 +162436.20 4 +295730.93 3280.0 C57
2023-11-05 21:35:07 S 05 12 19.951 +27 34 20.96 V C57
2023-11-05 21:35:07 s 1 +159943.19 5 +296750.76 7120.0 C57
2023-11-05 21:55:07 S 05 12 14.693 +27 33 34.16 V C57
2023-11-05 21:55:07 s 1 +159314.24 9 +296995.01 2880.0 C57
2023-11-05 22:15:07 S 05 12 09.343 +27 32 46.54 V C57
2023-11-05 22:15:07 s 1 +158683.03 9 +297234.96 720.0 C57
2023-11-05 22:35:07 S 05 12 03.660 +27 31 57.14 V C57
2023-11-05 22:35:07 s 1 +158049.57 7 +297470.61 760.0 C57
2023-11-05 22:55:07 S 05 11 58.486 +27 31 11.71 V C57
2023-11-05 22:55:07 s 1 +157413.85 2 +297701.92 3030.0 C57
2023-11-05 23:15:07 S 05 11 52.726 +27 30 21.92 V C57