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 05:35:07 S 05 16 41.191 +28 12 11.52 V C57
2023-11-05 05:35:07 s 1 +187364.57 3 +280163.72 9370.0 C57
2023-11-05 06:35:07 S 05 16 24.924 +28 09 50.69 V C57
2023-11-05 06:35:07 s 1 +185815.12 4 +281469.76 6220.0 C57
2023-11-05 06:55:07 S 05 16 19.493 +28 09 03.53 V C57
2023-11-05 06:55:07 s 1 +185293.60 9 +281897.38 1860.0 C57
2023-11-05 07:15:07 S 05 16 13.898 +28 08 15.68 V C57
2023-11-05 07:15:07 s 1 +184769.59 0 +282321.13 6000.0 C57
2023-11-05 07:35:07 S 05 16 08.616 +28 07 31.26 V C57
2023-11-05 07:35:07 s 1 +184243.08 0 +282741.02 8740.0 C57
2023-11-05 07:55:07 S 05 16 03.077 +28 06 43.20 V C57
2023-11-05 07:55:07 s 1 +183714.06 6 +283156.99 80.0 C57
2023-11-05 08:15:07 S 05 15 57.497 +28 05 55.57 V C57
2023-11-05 08:15:07 s 1 +183182.56 4 +283569.07 140.0 C57
2023-11-05 08:35:07 S 05 15 52.130 +28 05 08.92 V C57
2023-11-05 08:35:07 s 1 +182648.58 7 +283977.26 9040.0 C57
2023-11-05 08:55:07 S 05 15 46.610 +28 04 21.58 V C57
2023-11-05 08:55:07 s 1 +182112.12 3 +284381.51 6770.0 C57
2023-11-05 09:15:07 S 05 15 41.256 +28 03 35.21 V C57
2023-11-05 09:15:07 s 1 +181573.18 7 +284781.84 3450.0 C57
2023-11-05 09:35:07 S 05 15 35.544 +28 02 46.14 V C57
2023-11-05 09:35:07 s 1 +181031.79 2 +285178.25 9210.0 C57
2023-11-05 09:55:07 S 05 15 30.197 +28 01 59.63 V C57
2023-11-05 09:55:07 s 1 +180487.92 7 +285570.70 4040.0 C57
2023-11-05 10:15:07 S 05 15 24.878 +28 01 13.98 V C57
2023-11-05 10:15:07 s 1 +179941.60 5 +285959.20 8050.0 C57
2023-11-05 10:35:07 S 05 15 19.286 +28 00 25.27 V C57
2023-11-05 10:35:07 s 1 +179392.84 1 +286343.76 1370.0 C57
2023-11-05 10:55:07 S 05 15 13.939 +27 59 38.90 V C57
2023-11-05 10:55:07 s 1 +178841.62 1 +286724.32 4000.0 C57
2023-11-05 11:15:07 S 05 15 08.489 +27 58 52.28 V C57
2023-11-05 11:15:07 s 1 +178287.96 2 +287100.91 6040.0 C57
2023-11-05 11:35:07 S 05 15 03.014 +27 58 04.91 V C57
2023-11-05 11:35:07 s 1 +177731.87 7 +287473.53 7630.0 C57
2023-11-05 11:55:07 S 05 14 57.530 +27 57 16.34 V C57
2023-11-05 11:55:07 s 1 +177173.35 2 +287842.14 8760.0 C57
2023-11-05 12:08:21 C 05 14 23.462 +27 44 30.77 V T05
2023-11-05 12:15:07 S 05 14 52.063 +27 56 29.58 V C57
2023-11-05 12:15:07 s 1 +176612.40 3 +288206.74 9550.0 C57
2023-11-05 12:35:07 S 05 14 46.663 +27 55 42.24 V C57
2023-11-05 12:35:07 s 1 +176049.04 5 +288567.34 110.0 C57
2023-11-05 12:47:00 C 05 14 13.061 +27 43 02.93 V T05
2023-11-05 12:55:07 S 05 14 41.146 +27 54 54.94 V C57
2023-11-05 12:55:07 s 1 +175483.26 3 +288923.90 450.0 C57
2023-11-05 13:15:07 S 05 14 35.767 +27 54 08.35 V C57
2023-11-05 13:15:07 s 1 +174915.07 3 +289276.42 690.0 C57
2023-11-05 13:27:32 C 05 14 02.158 +27 41 30.55 V T05
2023-11-05 13:35:07 S 05 14 30.211 +27 53 19.90 V C57
2023-11-05 13:35:07 s 1 +174344.48 9 +289624.92 940.0 C57
2023-11-05 13:55:07 S 05 14 24.797 +27 52 33.53 V C57