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
2025-10-04 15:02:57 C 06 46 47.875 +18 23 40.27 V T08
2025-10-05 13:31:58 C 06 46 45.821 +18 08 59.89 V T05
2025-10-05 13:57:03 C 06 46 45.742 +18 08 43.80 V T05
2025-10-05 14:01:02 C 06 46 45.703 +18 08 41.57 V T05
2025-10-05 14:08:57 C 06 46 45.674 +18 08 36.20 V T05
2025-10-16 02:02:40 C 06 43 35.950 +15 20 17.92 V M22
2025-10-16 02:07:54 C 06 43 35.786 +15 20 14.21 V M22
2025-10-16 02:19:00 C 06 43 35.510 +15 20 07.48 V M22
2025-10-16 02:28:08 C 06 43 35.275 +15 20 00.49 V M22
2025-10-19 13:31:26 C 06 41 22.102 +14 22 39.65 V T05
2025-10-19 13:34:52 C 06 41 22.010 +14 22 37.45 V T05
2025-10-19 13:42:12 C 06 41 21.744 +14 22 32.52 V T05
2025-10-19 13:51:20 C 06 41 21.461 +14 22 26.22 V T05
2025-10-21 07:25:52 C 06 40 00.890 +13 53 34.87 V W68
2025-10-21 07:30:31 C 06 40 00.718 +13 53 31.60 V W68
2025-10-21 07:35:07 C 06 40 00.557 +13 53 27.53 V W68
2025-10-21 07:52:16 C 06 39 59.918 +13 53 16.22 V W68
2025-10-22 13:29:46 C 06 38 56.693 +13 32 24.65 V T08
2025-10-22 13:55:29 C 06 38 55.687 +13 32 06.76 V T08
2025-10-22 13:58:19 C 06 38 55.562 +13 32 04.56 V T08
2025-10-22 14:29:03 C 06 38 54.372 +13 31 42.42 V T08
2025-10-28 00:33:29 C 06 33 19.066 +11 59 41.03 V M22
2025-10-28 00:38:02 C 06 33 18.754 +11 59 37.86 V M22
2025-10-28 00:41:57 C 06 33 18.600 +11 59 34.80 V M22
2025-10-28 00:45:12 C 06 33 18.420 +11 59 32.57 V M22
2025-10-28 00:49:10 C 06 33 18.266 +11 59 29.90 V M22
2025-10-28 01:12:40 C 06 33 17.050 +11 59 12.91 V M22
2025-10-28 01:14:39 C 06 33 16.927 +11 59 11.47 V M22
2025-10-28 09:18:56 C 06 32 53.102 +11 53 17.52 V G96
2025-10-28 09:26:30 C 06 32 52.710 +11 53 12.19 V G96
2025-10-28 09:34:05 C 06 32 52.328 +11 53 06.79 V G96
2025-10-28 09:41:39 C 06 32 51.947 +11 53 01.28 V G96
2025-10-31 00:52:21 C 06 29 32.266 +11 07 54.52 V M22
2025-10-31 00:57:34 C 06 29 31.942 +11 07 50.66 V M22
2025-10-31 01:06:02 C 06 29 31.488 +11 07 45.08 V M22
2025-10-31 01:13:14 C 06 29 31.034 +11 07 39.86 V M22
2025-11-01 11:56:08 C 06 27 32.198 +10 42 36.61 V T08
2025-11-01 12:11:32 C 06 27 31.258 +10 42 25.67 V T08
2025-11-01 12:17:00 C 06 27 30.941 +10 42 21.71 V T08
2025-11-01 12:25:07 C 06 27 30.425 +10 42 16.24 V T08
2025-11-10 01:01:45 C 06 13 41.729 +08 15 29.66 V R17
2025-11-10 01:22:06 C 06 13 40.166 +08 15 15.26 V R17
2025-11-10 01:42:30 C 06 13 38.597 +08 15 00.50 V R17
2025-11-10 02:02:51 C 06 13 36.996 +08 14 46.28 V R17
2025-11-11 02:20:51 C 06 11 44.861 +07 57 32.15 V R17
2025-11-11 02:41:15 C 06 11 43.219 +07 57 17.64 V R17
2025-11-11 03:01:36 C 06 11 41.604 +07 57 03.24 V R17
2025-11-11 03:22:00 C 06 11 39.965 +07 56 48.66 V R17
2025-11-14 03:30:09 C 06 05 51.979 +07 06 18.97 V W68
2025-11-14 03:34:13 C 06 05 51.571 +07 06 16.49 V W68