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
2025-01-10 04:58:21 C 08 55 39.823 -30 48 29.56 V W68
2025-01-10 05:02:38 C 08 55 39.552 -30 48 32.47 V W68
2025-01-10 05:04:35 C 08 55 39.355 -30 48 33.62 V W68
2025-01-10 05:06:41 C 08 55 39.204 -30 48 35.64 V W68
2025-01-10 05:08:48 C 08 55 39.062 -30 48 36.90 V W68
2025-01-10 05:13:40 C 08 55 38.729 -30 48 39.13 V W68
2025-01-10 05:14:19 C 08 55 38.731 -30 48 40.39 V W68
2025-01-10 05:22:58 C 08 55 38.153 -30 48 44.75 V W68
2025-01-23 05:11:42 C 08 31 15.617 -33 28 02.82 V W68
2025-01-23 05:23:10 C 08 31 14.568 -33 28 07.07 V W68
2025-01-23 05:27:08 C 08 31 14.155 -33 28 08.58 V W68
2025-01-23 06:16:57 C 08 31 09.559 -33 28 27.44 V W68
2025-01-24 23:02:15 C 08 27 24.257 -33 42 32.58 V M22
2025-01-24 23:52:15 C 08 27 19.478 -33 42 48.82 V M22
2025-01-24 23:56:48 C 08 27 19.022 -33 42 50.04 V M22
2025-01-25 00:04:44 C 08 27 18.305 -33 42 52.60 V M22
2025-01-31 04:38:46 C 08 12 46.649 -34 17 38.15 V W68
2025-01-31 05:23:34 C 08 12 42.036 -34 17 44.81 V W68
2025-01-31 05:28:07 C 08 12 41.549 -34 17 45.06 V W68
2025-01-31 05:35:28 C 08 12 40.793 -34 17 46.28 V W68
2025-02-01 20:56:23 C 08 08 40.277 -34 22 17.15 V M22
2025-02-01 21:00:48 C 08 08 39.830 -34 22 17.22 V M22
2025-02-01 21:08:37 C 08 08 38.990 -34 22 18.01 V M22
2025-02-01 21:16:25 C 08 08 38.165 -34 22 18.80 V M22
2025-02-03 04:26:55 C 08 05 25.344 -34 24 25.67 V W68
2025-02-03 04:29:32 C 08 05 25.020 -34 24 26.17 V W68
2025-02-03 04:34:18 C 08 05 24.526 -34 24 26.17 V W68
2025-02-03 04:42:20 C 08 05 23.707 -34 24 26.75 V W68
2025-02-03 04:42:59 C 08 05 23.623 -34 24 27.32 V W68
2025-02-03 05:33:07 C 08 05 18.305 -34 24 28.98 V W68
2025-02-05 23:29:16 C 07 58 26.959 -34 24 34.31 V M22
2025-02-05 23:33:56 C 07 58 26.467 -34 24 34.09 V M22
2025-02-05 23:41:54 C 07 58 25.610 -34 24 33.41 V M22
2025-02-05 23:59:04 C 07 58 23.796 -34 24 32.72 V M22
2025-02-08 21:49:20 C 07 51 06.679 -34 18 12.20 V M22
2025-02-08 21:54:34 C 07 51 06.096 -34 18 11.30 V M22
2025-02-08 21:56:30 C 07 51 05.926 -34 18 11.23 V M22
2025-02-08 22:03:09 C 07 51 05.189 -34 18 10.04 V M22
2025-02-08 22:52:01 C 07 50 59.995 -34 18 03.46 V M22
2025-02-11 04:04:02 C 07 45 28.586 -34 08 43.37 V W68
2025-02-11 04:08:44 C 07 45 28.121 -34 08 42.18 V W68
2025-02-11 04:16:46 C 07 45 27.182 -34 08 41.14 V W68
2025-02-11 04:33:16 C 07 45 25.519 -34 08 36.96 V W68
2025-02-16 03:34:38 C 07 33 20.765 -33 34 01.16 V W68
2025-02-16 03:36:36 C 07 33 20.570 -33 34 00.08 V W68
2025-02-16 03:40:06 C 07 33 20.230 -33 33 59.22 V W68
2025-02-16 03:41:24 C 07 33 19.992 -33 33 58.57 V W68
2025-02-16 03:49:26 C 07 33 19.174 -33 33 54.86 V W68
2025-02-16 03:51:24 C 07 33 18.994 -33 33 53.53 V W68
2025-02-16 04:04:18 C 07 33 17.714 -33 33 50.44 V W68