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
2023-11-01 21:55:07 S 05 38 53.126 +31 09 36.47 V C57
2023-11-01 21:55:07 s 1 +222012.26 6 +82069.744 0.838 C57
2023-11-01 22:15:07 S 05 38 48.084 +31 08 56.15 V C57
2023-11-01 22:15:07 s 1 +222321.17 0 +83210.646 0.355 C57
2023-11-01 22:35:07 S 05 38 42.348 +31 08 13.67 V C57
2023-11-01 22:35:07 s 1 +222625.26 3 +84349.734 0.961 C57
2023-11-01 22:55:07 S 05 38 36.828 +31 07 32.56 V C57
2023-11-01 22:55:07 s 1 +222924.52 4 +85486.980 0.65 C57
2023-11-01 23:15:07 S 05 38 31.154 +31 06 50.87 V C57
2023-11-01 23:15:07 s 1 +223218.99 2 +86622.374 0.456 C57
2023-11-01 23:35:07 S 05 38 25.690 +31 06 10.26 V C57
2023-11-01 23:35:07 s 1 +223508.70 1 +87755.908 0.416 C57
2023-11-02 00:15:07 S 05 38 14.446 +31 04 45.48 V C57
2023-11-02 00:15:07 s 1 +224073.82 3 +90017.303 0.806 C57
2023-11-02 00:35:07 S 05 38 08.609 +31 04 02.60 V C57
2023-11-02 00:35:07 s 1 +224349.30 7 +91145.149 0.306 C57
2023-11-02 01:15:07 S 05 37 57.326 +31 02 37.72 V C57
2023-11-02 01:15:07 s 1 +224886.13 6 +93395.034 0.96 C57
2023-11-02 01:35:07 S 05 37 51.876 +31 01 57.86 V C57
2023-11-02 01:35:07 s 1 +225147.55 1 +94517.060 0.183 C57
2023-11-02 02:35:07 S 05 37 35.093 +30 59 52.30 V C57
2023-11-02 02:35:07 s 1 +225903.89 3 +97871.259 0.587 C57
2023-11-02 02:55:07 S 05 37 29.575 +30 59 11.26 V C57
2023-11-02 02:55:07 s 1 +226146.76 7 +98985.323 0.037 C57
2023-11-02 03:15:07 S 05 37 23.630 +30 58 26.58 V C57
2023-11-02 03:15:07 s 1 +226385.05 3 +100097.36 0.847 C57
2023-11-02 03:35:07 S 05 37 18.127 +30 57 45.04 V C57
2023-11-02 03:35:07 s 1 +226618.78 3 +101207.37 0.047 C57
2023-11-02 03:55:07 S 05 37 12.446 +30 57 03.35 V C57
2023-11-02 03:55:07 s 1 +226847.93 9 +102315.33 0.631 C57
2023-11-02 04:15:07 S 05 37 06.838 +30 56 20.90 V C57
2023-11-02 04:15:07 s 1 +227072.55 6 +103421.22 0.631 C57
2023-11-02 04:55:07 S 05 36 55.519 +30 54 55.19 V C57
2023-11-02 04:55:07 s 1 +227508.24 8 +105626.78 0.966 C57
2023-11-02 05:15:07 S 05 36 49.927 +30 54 14.11 V C57
2023-11-02 05:15:07 s 1 +227719.33 9 +106726.41 0.324 C57
2023-11-02 05:35:07 S 05 36 44.172 +30 53 30.84 V C57
2023-11-02 05:35:07 s 1 +227925.97 1 +107823.94 0.186 C57
2023-11-02 05:55:07 S 05 36 38.700 +30 52 49.01 V C57
2023-11-02 05:55:07 s 1 +228128.12 4 +108919.33 0.542 C57
2023-11-02 06:15:07 S 05 36 33.067 +30 52 07.14 V C57
2023-11-02 06:15:07 s 1 +228325.83 1 +110012.58 0.424 C57
2023-11-02 06:35:07 S 05 36 27.715 +30 51 25.78 V C57
2023-11-02 06:35:07 s 1 +228519.12 6 +111103.70 0.863 C57
2023-11-02 07:35:07 S 05 36 10.778 +30 49 19.13 V C57
2023-11-02 07:35:07 s 1 +229072.54 6 +114364.00 0.591 C57
2023-11-02 07:55:07 S 05 36 04.908 +30 48 34.60 V C57
2023-11-02 07:55:07 s 1 +229248.25 5 +115446.39 0.367 C57
2023-11-02 08:15:07 S 05 35 59.570 +30 47 53.63 V C57
2023-11-02 08:15:07 s 1 +229419.60 9 +116526.57 0.775 C57