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
2023-11-03 19:35:07 S 05 26 05.390 +29 30 27.11 V C57
2023-11-03 19:35:07 s 1 +225475.26 7 +216566.72 0.916 C57
2023-11-03 19:55:07 S 05 25 59.897 +29 29 42.14 V C57
2023-11-03 19:55:07 s 1 +225250.24 1 +217358.51 0.687 C57
2023-11-03 20:15:07 S 05 25 54.206 +29 28 57.94 V C57
2023-11-03 20:15:07 s 1 +225022.03 6 +218147.19 0.442 C57
2023-11-03 20:35:07 S 05 25 48.734 +29 28 10.49 V C57
2023-11-03 20:35:07 s 1 +224790.67 1 +218932.78 0.199 C57
2023-11-03 20:55:07 S 05 25 43.032 +29 27 27.97 V C57
2023-11-03 20:55:07 s 1 +224556.13 1 +219715.23 0.952 C57
2023-11-03 21:35:07 S 05 25 32.287 +29 26 00.82 V C57
2023-11-03 21:35:07 s 1 +224077.60 4 +221270.79 0.512 C57
2023-11-03 21:55:07 S 05 25 26.040 +29 25 08.22 V C57
2023-11-03 21:55:07 s 1 +223833.62 1 +222043.86 0.33 C57
2023-11-03 22:15:07 S 05 25 21.149 +29 24 28.87 V C57
2023-11-03 22:15:07 s 1 +223586.50 5 +222813.79 0.189 C57
2023-11-03 22:35:07 S 05 25 15.425 +29 23 42.22 V C57
2023-11-03 22:35:07 s 1 +223336.27 7 +223580.59 0.105 C57
2023-11-03 22:55:07 S 05 25 09.780 +29 22 55.92 V C57
2023-11-03 22:55:07 s 1 +223082.91 9 +224344.21 0.072 C57
2023-11-03 23:15:07 S 05 25 04.243 +29 22 11.35 V C57
2023-11-03 23:15:07 s 1 +222826.45 3 +225104.67 0.107 C57
2023-11-03 23:35:07 S 05 24 58.570 +29 21 26.06 V C57
2023-11-03 23:35:07 s 1 +222566.89 6 +225861.98 0.226 C57
2023-11-03 23:55:07 S 05 24 52.963 +29 20 40.06 V C57
2023-11-03 23:55:07 s 1 +222304.23 3 +226616.10 0.424 C57
2023-11-04 00:15:07 S 05 24 47.386 +29 19 55.81 V C57
2023-11-04 00:15:07 s 1 +222038.48 4 +227367.03 0.716 C57
2023-11-04 00:35:07 S 05 24 41.810 +29 19 09.44 V C57
2023-11-04 00:35:07 s 1 +221769.66 7 +228114.78 0.12 C57
2023-11-04 00:55:07 S 05 24 36.350 +29 18 24.41 V C57
2023-11-04 00:55:07 s 1 +221497.76 6 +228859.33 0.629 C57
2023-11-04 01:15:07 S 05 24 30.835 +29 17 38.80 V C57
2023-11-04 01:15:07 s 1 +221222.80 0 +229600.68 0.259 C57
2023-11-04 01:35:07 S 05 24 25.334 +29 16 54.88 V C57
2023-11-04 01:35:07 s 1 +220944.78 9 +230338.82 0.028 C57
2023-11-04 01:55:07 S 05 24 19.594 +29 16 13.69 V C57
2023-11-04 01:55:07 s 1 +220663.71 7 +231073.74 0.928 C57
2023-11-04 02:15:07 S 05 24 14.086 +29 15 22.68 V C57
2023-11-04 02:15:07 s 1 +220379.60 2 +231805.43 0.977 C57
2023-11-04 02:35:07 S 05 24 08.530 +29 14 38.04 V C57
2023-11-04 02:35:07 s 1 +220092.46 3 +232533.90 0.19 C57
2023-11-04 02:55:07 S 05 24 02.846 +29 13 51.35 V C57
2023-11-04 02:55:07 s 1 +219802.28 4 +233259.13 0.562 C57
2023-11-04 03:15:07 S 05 23 57.415 +29 13 06.38 V C57
2023-11-04 03:15:07 s 1 +219509.08 5 +233981.11 0.108 C57
2023-11-04 03:35:07 S 05 23 51.794 +29 12 20.92 V C57
2023-11-04 03:35:07 s 1 +219212.88 3 +234699.85 0.844 C57
2023-11-04 03:55:07 S 05 23 46.344 +29 11 35.92 V C57
2023-11-04 03:55:07 s 1 +218913.66 3 +235415.32 0.765 C57