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
2025-12-09 11:03:20 C 05 09 35.455 +01 20 24.49 X F51
2025-12-09 11:38:07 C 05 09 32.235 +01 20 10.98 X F51
2025-12-12 08:27:39 C 05 03 24.613 +00 54 59.11 V G96
2025-12-12 08:35:02 C 05 03 23.944 +00 54 56.81 V G96
2025-12-12 08:42:25 C 05 03 23.296 +00 54 54.07 V G96
2025-12-12 18:36:33 C 05 02 32.095 +00 51 34.88 V M52
2025-12-12 19:23:22 C 05 02 28.022 +00 51 17.21 V M52
2025-12-13 10:28:28 C 05 01 09.552 +00 46 22.84 V T08
2025-12-13 10:36:23 C 05 01 08.849 +00 46 20.10 V T08
2025-12-13 10:51:40 C 05 01 07.476 +00 46 15.89 V T08
2025-12-13 10:56:19 C 05 01 07.106 +00 46 14.27 V T08
2025-12-13 19:51:42 C 05 00 21.698 +00 43 21.36 V M52
2025-12-13 20:35:08 C 05 00 17.952 +00 43 08.33 V M52
2025-12-14 05:00:16 C 04 59 34.673 +00 40 37.85 V W68
2025-12-14 05:04:51 C 04 59 34.270 +00 40 36.88 V W68
2025-12-14 05:16:00 C 04 59 33.293 +00 40 33.17 V W68
2025-12-14 05:30:39 C 04 59 32.018 +00 40 28.56 V W68
2025-12-14 09:51:47 C 04 59 09.805 +00 39 00.29 V 703
2025-12-14 09:55:04 C 04 59 09.478 +00 38 59.17 V 703
2025-12-14 09:58:22 C 04 59 09.222 +00 38 58.06 V 703
2025-12-14 10:01:40 C 04 59 08.927 +00 38 56.83 V 703
2025-12-16 17:05:06 C 04 54 35.68 +00 23 12.7 V D29
2025-12-16 17:25:28 C 04 54 34.00 +00 23 07.2 V D29
2025-12-16 17:45:50 C 04 54 32.43 +00 23 03.1 V D29
2025-12-17 07:25:14 C 04 53 26.549 +00 19 27.80 V 703
2025-12-17 07:28:31 C 04 53 26.308 +00 19 27.01 V 703
2025-12-17 07:31:49 C 04 53 26.045 +00 19 25.86 V 703
2025-12-17 07:35:07 C 04 53 25.710 +00 19 24.82 V 703
2025-12-17 21:46:09 B 04 52 18.226 +00 15 51.44 V R71
2025-12-17 21:58:17 B 04 52 17.268 +00 15 48.02 V R71
2025-12-17 22:09:52 B 04 52 16.385 +00 15 44.28 V R71
2025-12-17 22:19:32 C 04 52 15.439 +00 15 50.90 V M22
2025-12-17 22:59:34 C 04 52 12.245 +00 15 41.65 V M22
2025-12-17 23:04:46 C 04 52 11.784 +00 15 39.82 V M22
2025-12-17 23:26:30 C 04 52 10.049 +00 15 34.88 V M22
2025-12-18 22:14:43 B 04 50 23.462 +00 10 01.67 V R71
2025-12-18 22:34:54 B 04 50 21.792 +00 09 56.12 V R71
2025-12-18 22:54:04 B 04 50 20.350 +00 09 53.10 V R71
2025-12-19 06:32:59 C 04 49 44.994 +00 08 09.42 V 703
2025-12-19 06:36:16 C 04 49 44.699 +00 08 08.41 V 703
2025-12-19 06:39:34 C 04 49 44.465 +00 08 07.69 V 703
2025-12-19 06:42:52 C 04 49 44.191 +00 08 06.94 V 703
2025-12-20 03:36:53 C 04 48 09.041 +00 03 43.34 V W68
2025-12-20 03:40:49 C 04 48 08.748 +00 03 42.80 V W68
2025-12-20 03:48:49 C 04 48 08.114 +00 03 41.62 V W68
2025-12-20 04:38:28 C 04 48 04.250 +00 03 30.64 V W68
2025-12-20 21:21:02 C 04 46 49.766 +00 00 07.52 V M22
2025-12-20 21:24:58 C 04 46 49.510 +00 00 06.88 V M22
2025-12-20 21:32:12 C 04 46 48.931 +00 00 05.33 V M22
2025-12-20 21:46:31 C 04 46 47.858 +00 00 02.30 V M22