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
2025-02-16 04:08:19 C 07 33 17.299 -33 33 47.34 V W68
2025-02-17 18:47:52 C 07 29 30.007 -33 18 37.01 V M22
2025-02-17 18:51:08 C 07 29 29.686 -33 18 35.53 V M22
2025-02-17 18:56:21 C 07 29 29.172 -33 18 33.41 V M22
2025-02-17 19:03:40 C 07 29 28.438 -33 18 30.13 V M22
2025-02-18 10:47:28 B 07 27 57.11 -33 11 47.6 q Q73
2025-02-18 10:52:38 B 07 27 56.59 -33 11 45.5 q Q73
2025-02-18 10:57:48 B 07 27 56.07 -33 11 43.2 q Q73
2025-02-19 03:28:13 C 07 26 21.046 -33 04 21.04 V W68
2025-02-19 03:34:15 C 07 26 20.453 -33 04 18.08 V W68
2025-02-19 03:41:44 C 07 26 19.735 -33 04 14.95 V W68
2025-02-19 04:03:26 C 07 26 17.573 -33 04 04.55 V W68
2025-02-19 04:04:05 C 07 26 17.489 -33 04 04.80 V W68
2025-02-23 03:02:29 C 07 17 33.238 -32 15 26.75 V W68
2025-02-23 03:07:48 C 07 17 32.798 -32 15 23.76 V W68
2025-02-23 03:17:53 C 07 17 31.862 -32 15 18.11 V W68
2025-02-23 03:34:54 C 07 17 30.322 -32 15 08.17 V W68
2025-02-24 02:45:15 C 07 15 28.560 -32 01 45.23 V W68
2025-02-24 03:00:27 C 07 15 27.199 -32 01 36.23 V W68
2025-02-24 03:12:39 C 07 15 26.148 -32 01 28.56 V W68
2025-02-24 20:54:47 C 07 13 54.878 -31 50 51.76 V M22
2025-02-24 21:00:07 C 07 13 54.401 -31 50 47.83 V M22
2025-02-24 21:08:42 C 07 13 53.647 -31 50 42.68 V M22
2025-02-27 02:26:05 C 07 09 28.570 -31 16 53.29 V W68
2025-02-27 02:33:35 C 07 09 27.972 -31 16 48.18 V W68
2025-02-27 02:37:41 C 07 09 27.646 -31 16 45.52 V W68
2025-02-27 02:53:30 C 07 09 26.321 -31 16 34.93 V W68
2025-02-28 20:16:51 C 07 06 10.990 -30 48 27.04 V M22
2025-02-28 20:21:31 C 07 06 10.642 -30 48 24.05 V M22
2025-02-28 21:14:00 C 07 06 06.446 -30 47 47.36 V M22
2025-03-03 02:56:44 C 07 02 07.690 -30 09 05.83 V W68
2025-03-03 02:57:23 C 07 02 07.596 -30 09 04.93 V W68
2025-03-03 03:00:50 C 07 02 07.382 -30 09 02.70 V W68
2025-03-03 03:01:29 C 07 02 07.325 -30 09 01.91 V W68
2025-03-03 03:17:20 C 07 02 06.144 -30 08 49.74 V W68
2025-03-03 03:17:59 C 07 02 06.122 -30 08 49.99 V W68
2025-03-03 03:25:55 C 07 02 05.532 -30 08 43.37 V W68
2025-03-03 03:34:29 C 07 02 04.894 -30 08 37.57 V W68
2025-03-04 02:28:35 C 07 00 28.378 -29 51 26.39 V W68
2025-03-04 02:42:13 C 07 00 27.401 -29 51 15.62 V W68
2025-03-04 03:21:40 C 07 00 24.593 -29 50 45.42 V W68
2025-03-04 03:26:17 C 07 00 24.286 -29 50 42.18 V W68
2025-03-04 05:49:14 C 07 00 14.873 -29 49 00.24 X F51
2025-03-04 06:04:29 C 07 00 13.782 -29 48 48.65 X F51
2025-03-04 06:19:47 C 07 00 12.691 -29 48 37.03 X F51
2025-03-04 06:35:02 C 07 00 11.599 -29 48 25.38 X F51
2025-03-04 20:13:11 C 06 59 15.641 -29 37 50.99 V M22
2025-03-04 20:45:29 C 06 59 13.404 -29 37 26.15 V M22
2025-03-04 20:49:46 C 06 59 13.123 -29 37 22.62 V M22
2025-03-05 20:04:39 C 06 57 40.812 -29 19 14.70 V M22