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
2023-11-04 04:15:07 S 05 23 40.738 +29 10 50.02 V C57
2023-11-04 04:15:07 s 1 +218611.44 3 +236127.52 0.887 C57
2023-11-04 04:35:07 S 05 23 35.237 +29 10 04.12 V C57
2023-11-04 04:35:07 s 1 +218306.24 3 +236836.47 0.225 C57
2023-11-04 04:55:07 S 05 23 29.671 +29 09 18.54 V C57
2023-11-04 04:55:07 s 1 +217998.04 5 +237542.12 0.774 C57
2023-11-04 05:15:07 S 05 23 24.053 +29 08 32.14 V C57
2023-11-04 05:15:07 s 1 +217686.86 9 +238244.49 0.549 C57
2023-11-04 05:35:07 S 05 23 18.530 +29 07 47.75 V C57
2023-11-04 05:35:07 s 1 +217372.73 3 +238943.58 0.566 C57
2023-11-04 05:55:07 S 05 23 12.890 +29 07 00.84 V C57
2023-11-04 05:55:07 s 1 +217055.62 0 +239639.36 0.819 C57
2023-11-04 07:15:07 S 05 22 50.693 +29 03 58.82 V C57
2023-11-04 07:15:07 s 1 +215757.67 4 +242389.35 0.443 C57
2023-11-04 07:35:07 S 05 22 45.163 +29 03 12.71 V C57
2023-11-04 07:35:07 s 1 +215425.85 3 +243068.54 0.048 C57
2023-11-04 07:55:07 S 05 22 39.859 +29 02 28.14 V C57
2023-11-04 07:55:07 s 1 +215091.09 7 +243744.38 0.939 C57
2023-11-04 08:15:07 S 05 22 34.075 +29 01 41.30 V C57
2023-11-04 08:15:07 s 1 +214753.42 4 +244416.87 0.134 C57
2023-11-04 08:35:07 S 05 22 28.337 +29 00 53.78 V C57
2023-11-04 08:35:07 s 1 +214412.85 2 +245086.02 0.645 C57
2023-11-04 09:35:07 S 05 22 11.849 +28 58 36.55 V C57
2023-11-04 09:35:07 s 1 +213373.71 9 +247073.24 0.115 C57
2023-11-04 09:55:07 S 05 22 06.324 +28 57 52.42 V C57
2023-11-04 09:55:07 s 1 +213021.56 2 +247728.89 0.946 C57
2023-11-04 10:15:07 S 05 22 01.229 +28 57 07.42 V C57
2023-11-04 10:15:07 s 1 +212666.52 7 +248381.15 0.13 C57
2023-11-04 10:35:07 S 05 21 55.094 +28 56 19.61 V C57
2023-11-04 10:35:07 s 1 +212308.63 3 +249030.02 0.68 C57
2023-11-04 10:55:07 S 05 21 49.860 +28 55 34.57 V C57
2023-11-04 10:55:07 s 1 +211947.86 4 +249675.48 0.593 C57
2023-11-04 11:15:07 S 05 21 43.802 +28 54 46.69 V C57
2023-11-04 11:15:07 s 1 +211584.23 7 +250317.53 0.882 C57
2023-11-04 11:35:07 S 05 21 38.758 +28 54 02.95 V C57
2023-11-04 11:35:07 s 1 +211217.77 0 +250956.17 0.563 C57
2023-11-04 11:55:07 S 05 21 33.190 +28 53 16.04 V C57
2023-11-04 11:55:07 s 1 +210848.44 8 +251591.37 0.631 C57
2023-11-04 12:15:07 S 05 21 27.588 +28 52 29.06 V C57
2023-11-04 12:15:07 s 1 +210476.28 7 +252223.15 0.1 C57
2023-11-04 12:35:07 S 05 21 21.977 +28 51 44.06 V C57
2023-11-04 12:35:07 s 1 +210101.30 5 +252851.49 0.984 C57
2023-11-04 12:55:07 S 05 21 16.514 +28 50 57.08 V C57
2023-11-04 12:55:07 s 1 +209723.48 7 +253476.38 0.28 C57
2023-11-04 13:15:07 S 05 21 11.040 +28 50 12.12 V C57
2023-11-04 13:15:07 s 1 +209342.85 0 +254097.81 0.002 C57
2023-11-04 13:35:07 S 05 21 05.486 +28 49 26.15 V C57
2023-11-04 13:35:07 s 1 +208959.41 1 +254715.80 0.163 C57
2023-11-04 14:55:07 S 05 20 43.296 +28 46 19.92 V C57
2023-11-04 14:55:07 s 1 +207397.61 7 +257152.96 0.288 C57