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
2025-04-19 17:49:15 C 06 41 19.949 -12 43 49.87 V M22
2025-04-19 17:50:33 C 06 41 20.023 -12 43 48.43 V M22
2025-04-21 00:54:50 C 06 42 08.894 -12 14 09.38 V W68
2025-04-21 01:22:41 C 06 42 09.602 -12 13 42.24 V W68
2025-04-21 01:27:42 C 06 42 09.744 -12 13 37.96 V W68
2025-04-21 01:35:17 C 06 42 09.967 -12 13 30.32 V W68
2025-04-22 00:04:17 C 06 42 47.513 -11 52 00.37 V W68
2025-04-22 00:20:09 C 06 42 47.935 -11 51 45.00 V W68
2025-04-22 00:33:26 C 06 42 48.293 -11 51 32.15 V W68
2025-04-22 00:38:04 C 06 42 48.403 -11 51 28.04 V W68
2025-04-24 01:20:39 C 06 44 14.791 -11 04 40.15 V W68
2025-04-24 01:26:14 C 06 44 14.933 -11 04 34.10 V W68
2025-04-24 01:33:58 C 06 44 15.226 -11 04 26.80 V W68
2025-04-25 01:04:49 C 06 44 59.462 -10 41 44.56 V W68
2025-04-25 01:09:03 C 06 44 59.647 -10 41 40.52 V W68
2025-04-25 01:17:20 C 06 44 59.885 -10 41 32.53 V W68
2025-04-27 18:00:14 C 06 47 09.648 -09 38 32.21 V M22
2025-04-27 18:30:36 C 06 47 10.666 -09 38 02.22 V M22
2025-04-27 18:38:37 C 06 47 10.930 -09 37 54.34 V M22
2025-04-27 18:59:00 C 06 47 11.621 -09 37 34.57 V M22
2025-04-29 23:05:47 C 06 49 04.073 -08 46 08.08 V W68
2025-04-29 23:25:23 C 06 49 04.786 -08 45 48.85 V W68
2025-04-29 23:45:49 C 06 49 05.489 -08 45 28.55 V W68
2025-04-29 23:50:26 C 06 49 05.645 -08 45 23.83 V W68
2025-05-09 05:46:12 C 06 58 02.042 -04 54 17.71 V T05
2025-05-09 05:50:47 C 06 58 02.215 -04 54 13.00 V T05
2025-05-09 05:59:56 C 06 58 02.585 -04 54 02.41 V T05
2025-05-09 06:14:21 C 06 58 03.178 -04 53 46.79 V T05
2025-05-11 23:19:28 C 07 00 51.202 -03 39 51.77 V W68
2025-05-11 23:24:03 C 07 00 51.367 -03 39 46.66 V W68
2025-05-11 23:33:11 C 07 00 51.751 -03 39 35.82 V W68
2025-05-11 23:50:13 C 07 00 52.464 -03 39 15.44 V W68
2025-05-13 16:49:53 C 07 02 38.686 -02 50 43.58 V M22
2025-05-13 16:54:26 C 07 02 38.844 -02 50 38.15 V M22
2025-05-13 17:03:31 C 07 02 39.233 -02 50 27.17 V M22
2025-05-13 17:19:12 C 07 02 39.883 -02 50 08.48 V M22
2025-05-19 23:13:18 C 07 08 54.989 +00 25 40.26 V W68
2025-05-19 23:14:36 C 07 08 55.032 +00 25 42.17 V W68
2025-05-19 23:17:53 C 07 08 55.130 +00 25 46.24 V W68
2025-05-19 23:19:10 C 07 08 55.200 +00 25 48.97 V W68
2025-05-19 23:25:50 C 07 08 55.457 +00 25 58.66 V W68
2025-05-19 23:27:08 C 07 08 55.507 +00 25 59.88 V W68
2025-05-19 23:51:29 C 07 08 56.383 +00 26 34.30 V W68
2025-05-19 23:54:10 C 07 08 56.525 +00 26 39.01 V W68
2025-08-16 13:41:46 C 06 04 57.374 +30 26 01.39 V T08
2025-08-16 13:53:46 C 06 04 58.162 +30 25 53.90 V T08
2025-08-16 14:05:46 C 06 04 58.920 +30 25 46.70 V T08
2025-08-16 14:17:46 C 06 04 59.710 +30 25 39.94 V T08
2025-08-23 05:12:38 C 06 14 48.749 +28 49 21.58 V R17
2025-08-23 05:16:56 C 06 14 49.010 +28 49 18.91 V R17