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
2014-10-24 11:49:20 C 06 49 44.84 +09 21 35.8 R G45
2014-10-24 12:07:17 C 06 49 44.35 +09 21 24.6 R G45
2014-10-24 12:22:20 C 06 49 44.04 +09 21 15.3 R G45
2014-11-26 08:37:18 C 06 08 40.45 +01 32 46.4 R G45
2014-11-26 08:43:16 C 06 08 39.98 +01 32 43.5 R G45
2014-11-26 08:50:53 C 06 08 39.38 +01 32 39.3 R G45
2014-11-26 08:56:51 C 06 08 38.91 +01 32 36.2 R G45
2014-12-20 06:26:27 C 05 21 44.09 -01 57 00.6 R G45
2014-12-20 06:28:29 C 05 21 43.93 -01 57 00.6 R G45
2014-12-20 06:34:27 C 05 21 43.46 -01 57 01.9 R G45
2014-12-20 06:42:16 C 05 21 42.83 -01 57 03.5 R G45
2014-12-20 06:48:14 C 05 21 42.37 -01 57 04.3 R G45
2014-12-24 05:55:49 C 05 14 32.54 -02 12 40.3 R G45
2014-12-24 06:01:47 C 05 14 32.04 -02 12 40.9 R G45
2014-12-24 06:09:47 C 05 14 31.50 -02 12 41.9 R G45
2014-12-24 06:15:46 C 05 14 31.06 -02 12 42.4 R G45
2014-12-24 06:23:34 C 05 14 30.44 -02 12 43.8 R G45
2014-12-28 05:14:58 C 05 07 50.79 -02 22 48.4 q 703
2014-12-28 05:22:54 C 05 07 50.20 -02 22 49.2 q 703
2014-12-28 05:30:49 C 05 07 49.64 -02 22 50.6 q 703
2014-12-28 05:38:43 C 05 07 49.14 -02 22 51.6 q 703
2014-12-28 05:44:33 C 05 07 48.69 -02 22 51.2 R G45
2014-12-28 05:50:31 C 05 07 48.29 -02 22 51.9 R G45
2014-12-28 05:58:26 C 05 07 47.72 -02 22 52.5 R G45
2014-12-28 06:04:24 C 05 07 47.33 -02 22 52.8 R G45
2014-12-29 05:26:59 C 05 06 13.86 -02 24 33.5 R G45
2014-12-29 05:31:22 C 05 06 13.59 -02 24 33.7 R G45
2014-12-29 05:35:45 C 05 06 13.27 -02 24 33.8 R G45
2014-12-29 05:37:14 C 05 06 13.17 -02 24 34.0 R G45
2014-12-29 05:41:36 C 05 06 12.89 -02 24 34.3 R G45
2014-12-29 05:46:00 C 05 06 12.56 -02 24 34.8 R G45
2014-12-29 05:51:42 C 05 06 12.20 -02 24 35.1 R G45
2014-12-29 05:56:04 C 05 06 11.90 -02 24 35.1 R G45
2014-12-30 05:19:47 C 05 04 40.49 -02 25 57.6 R G45
2014-12-30 05:25:45 C 05 04 40.10 -02 25 57.9 R G45
2014-12-30 05:33:45 C 05 04 39.57 -02 25 58.4 R G45
2014-12-30 05:39:43 C 05 04 39.17 -02 25 58.8 R G45
2014-12-30 05:47:32 C 05 04 38.68 -02 25 58.9 R G45
2014-12-30 05:53:30 C 05 04 38.31 -02 25 59.2 R G45
2014-12-31 05:20:03 C 05 03 08.86 -02 27 03.4 R G45
2014-12-31 05:28:03 C 05 03 08.31 -02 27 04.2 R G45
2014-12-31 05:34:02 C 05 03 07.98 -02 27 04.4 R G45
2014-12-31 05:41:50 C 05 03 07.51 -02 27 04.3 R G45
2014-12-31 05:47:48 C 05 03 07.10 -02 27 04.6 R G45
2015-01-12 08:07:47 C 04 47 48.212 -02 18 15.99 L F51
2015-01-12 08:28:45 C 04 47 47.292 -02 18 14.04 L F51
2015-01-12 08:49:25 C 04 47 46.386 -02 18 12.11 L F51
2015-01-12 09:09:05 C 04 47 45.527 -02 18 10.31 L F51
2015-01-15 06:33:50 C 04 44 59.761 -02 10 55.89 L F51
2015-01-15 06:53:21 C 04 44 59.001 -02 10 53.60 L F51