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
2025-03-05 20:09:21 C 06 57 40.502 -29 19 10.99 V M22
2025-03-05 20:13:57 C 06 57 40.207 -29 19 07.68 V M22
2025-03-05 20:22:34 C 06 57 39.617 -29 19 01.20 V M22
2025-03-07 02:06:51 C 06 55 46.270 -28 55 18.95 V W68
2025-03-07 02:11:25 C 06 55 45.938 -28 55 15.53 V W68
2025-03-07 02:22:02 C 06 55 45.310 -28 55 06.42 V W68
2025-03-07 02:50:49 C 06 55 43.483 -28 54 43.06 V W68
2025-03-08 01:36:25 C 06 54 20.582 -28 36 12.96 V W68
2025-03-08 01:41:25 C 06 54 20.266 -28 36 08.24 V W68
2025-03-08 01:49:28 C 06 54 19.709 -28 36 01.98 V W68
2025-03-08 02:06:24 C 06 54 18.713 -28 35 47.94 V W68
2025-03-12 01:39:16 C 06 49 04.865 -27 15 03.78 V W68
2025-03-12 01:46:42 C 06 49 04.507 -27 14 56.22 V W68
2025-03-12 01:52:05 C 06 49 04.222 -27 14 53.12 V W68
2025-03-12 02:06:15 C 06 49 03.454 -27 14 40.52 V W68
2025-03-15 02:03:04 C 06 45 44.011 -26 11 13.34 V W68
2025-03-15 02:11:07 C 06 45 43.524 -26 11 06.11 V W68
2025-03-15 02:16:24 C 06 45 43.277 -26 11 01.54 V W68
2025-03-15 02:17:04 C 06 45 43.291 -26 11 01.07 V W68
2025-03-15 02:32:27 C 06 45 42.670 -26 10 47.50 V W68
2025-03-15 02:42:27 C 06 45 42.161 -26 10 38.89 V W68
2025-03-16 02:57:42 C 06 44 42.022 -25 48 49.72 V W68
2025-03-16 03:03:38 C 06 44 41.734 -25 48 44.71 V W68
2025-03-16 03:12:10 C 06 44 41.369 -25 48 36.40 V W68
2025-03-16 03:41:19 C 06 44 40.159 -25 48 10.30 V W68
2025-03-17 19:49:32 C 06 43 08.676 -25 11 41.50 V M22
2025-03-17 19:54:08 C 06 43 08.522 -25 11 37.32 V M22
2025-03-17 20:23:12 C 06 43 07.390 -25 11 10.97 V M22
2025-03-17 20:35:01 C 06 43 06.962 -25 10 59.99 V M22
2025-03-19 01:09:30 C 06 42 07.807 -24 44 45.89 V W68
2025-03-19 01:38:51 C 06 42 06.766 -24 44 19.25 V W68
2025-03-19 01:49:16 C 06 42 06.432 -24 44 09.46 V W68
2025-03-19 01:53:54 C 06 42 06.214 -24 44 05.32 V W68
2025-03-24 01:09:43 C 06 38 49.915 -22 52 46.06 V W68
2025-03-24 01:17:15 C 06 38 49.735 -22 52 39.25 V W68
2025-03-24 01:22:43 C 06 38 49.584 -22 52 34.03 V W68
2025-03-28 01:34:05 C 06 37 08.923 -21 21 25.31 V W68
2025-03-28 01:38:41 C 06 37 08.846 -21 21 20.70 V W68
2025-03-28 01:48:05 C 06 37 08.693 -21 21 12.02 V W68
2025-03-28 02:08:17 C 06 37 08.434 -21 20 51.54 V W68
2025-03-28 20:02:18 C 06 36 55.193 -21 03 50.18 V M22
2025-03-28 20:07:01 C 06 36 55.140 -21 03 45.83 V M22
2025-03-28 20:14:54 C 06 36 55.018 -21 03 38.30 V M22
2025-03-28 20:46:00 C 06 36 54.638 -21 03 08.03 V M22
2025-03-29 19:10:24 C 06 36 40.646 -20 41 48.70 V M22
2025-03-29 19:15:02 C 06 36 40.594 -20 41 44.27 V M22
2025-03-29 19:24:14 C 06 36 40.495 -20 41 35.38 V M22
2025-03-29 19:40:20 C 06 36 40.289 -20 41 19.79 V M22
2025-04-01 01:29:44 C 06 36 17.016 -19 50 01.61 V W68
2025-04-01 01:33:58 C 06 36 16.973 -19 49 57.40 V W68