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
2023-11-20 15:24:15 C 03 58 24.92 +15 03 48.2 Z O52
2023-11-20 15:31:53 C 03 58 23.68 +15 03 34.9 Z O52
2023-11-20 18:51:21 C 03 57 53.093 +14 57 40.82 o M52
2023-11-20 19:30:31 C 03 57 46.985 +14 56 34.15 o M52
2023-11-21 08:00:27 C 03 55 52.403 +14 35 27.60 V 703
2023-11-21 08:07:51 C 03 55 51.258 +14 35 15.11 V 703
2023-11-21 08:15:14 C 03 55 50.131 +14 35 02.80 V 703
2023-11-21 08:22:38 C 03 55 48.983 +14 34 50.45 V 703
2023-11-21 13:10:36 C 03 55 07.26 +14 26 51.6 Z O52
2023-11-21 13:22:43 C 03 55 05.45 +14 26 30.1 Z O52
2023-11-21 13:33:43 C 03 55 03.82 +14 26 13.1 Z O52
2023-11-21 13:44:51 C 03 55 02.15 +14 25 55.9 Z O52
2023-11-22 05:04:36 C 03 52 47.140 +14 00 39.53 V 703
2023-11-22 05:12:12 C 03 52 46.024 +14 00 27.07 V 703
2023-11-22 05:19:47 C 03 52 44.900 +14 00 14.87 V 703
2023-11-22 05:27:23 C 03 52 43.777 +14 00 02.63 V 703
2023-11-23 03:54:48 C 03 49 34.010 +13 24 15.91 V 703
2023-11-23 04:01:55 C 03 49 33.035 +13 24 05.36 V 703
2023-11-23 04:16:10 C 03 49 30.878 +13 23 44.84 V 703
2023-11-23 08:15:49 C 03 48 57.38 +13 17 26.9 q U55
2023-11-23 08:25:08 C 03 48 56.06 +13 17 12.3 q U55
2023-11-23 08:34:41 C 03 48 54.67 +13 16 58.1 q U55
2023-11-23 08:59:45 C 03 48 51.754 +13 16 27.12 V T05
2023-11-23 09:04:20 C 03 48 51.113 +13 16 19.96 V T05
2023-11-23 09:10:15 C 03 48 50.268 +13 16 09.80 V T05
2023-11-23 09:14:09 C 03 48 49.714 +13 16 03.79 V T05
2023-11-23 09:18:42 C 03 48 49.075 +13 15 56.81 V T05
2023-11-23 09:26:31 C 03 48 47.971 +13 15 44.71 V T05
2023-11-23 09:36:43 C 03 48 46.080 +13 15 21.20 V U55
2023-11-23 09:47:53 C 03 48 44.518 +13 15 03.89 V U55
2023-11-23 09:58:43 C 03 48 43.008 +13 14 47.08 V U55
2023-11-23 19:53:09 C 03 47 23.647 +12 59 36.60 V 160
2023-11-23 19:59:51 C 03 47 22.704 +12 59 25.91 V 160
2023-11-23 20:07:14 C 03 47 21.701 +12 59 14.78 V 160
2023-11-23 22:24:09 C 03 47 03.05 +12 55 48.4 V G17
2023-11-23 22:29:20 C 03 47 02.34 +12 55 40.6 V G17
2023-11-23 22:34:30 C 03 47 01.64 +12 55 32.7 V G17
2023-11-23 23:51:19 C 03 46 51.15 +12 53 36.5 X L63
2023-11-24 00:09:41 C 03 46 48.63 +12 53 09.1 X L63
2023-11-24 00:27:00 C 03 46 46.29 +12 52 42.5 X L63
2023-11-24 03:16:58 C 03 46 24.406 +12 48 46.40 V W68
2023-11-24 03:20:15 C 03 46 23.959 +12 48 41.62 V W68
2023-11-24 03:49:46 C 03 46 19.949 +12 47 57.26 V W68
2023-11-24 03:58:17 C 03 46 18.778 +12 47 44.66 V W68
2023-11-28 20:52:28 C 03 33 01.529 +10 14 45.92 V 160
2023-11-28 21:01:31 C 03 33 00.617 +10 14 34.44 V 160
2023-11-28 21:10:55 C 03 32 59.578 +10 14 23.35 V 160
2023-11-29 12:51:40 C 03 31 23.441 +09 55 59.45 V P07
2023-11-29 13:15:08 C 03 31 20.96 +09 55 36.5 V 323
2023-11-29 13:26:26 C 03 31 19.78 +09 55 21.2 V 323