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
2024-01-15 07:39:24 C 03 03 18.221 +03 13 38.68 V T05
2024-01-15 07:52:12 C 03 03 18.468 +03 13 38.64 V T05
2024-01-15 08:08:18 C 03 03 18.761 +03 13 38.86 V T05
2024-01-15 17:53:27 B 03 03 30.72 +03 14 17.7 X D31
2024-01-15 17:53:57 B 03 03 30.62 +03 14 17.2 X D31
2024-01-15 19:05:38 B 03 03 32.06 +03 14 20.7 X D31
2024-01-15 20:17:39 B 03 03 33.42 +03 14 26.7 X D31
2024-01-17 06:38:38 C 03 04 16.531 +03 17 01.61 V T08
2024-01-17 06:48:59 C 03 04 16.752 +03 17 02.47 V T08
2024-01-17 06:53:10 C 03 04 16.910 +03 17 02.15 V T08
2024-01-17 07:12:09 C 03 04 17.160 +03 17 03.37 V T08
2024-02-05 18:00:18 B 03 18 15.97 +04 16 53.0 X D31
2024-02-05 19:30:08 B 03 18 19.22 +04 17 07.7 X D31
2024-02-05 20:53:07 B 03 18 22.21 +04 17 21.1 X D31
2024-03-18 05:59:37 C 04 04 19.486 +07 11 27.77 X F51
2024-03-18 06:16:48 C 04 04 20.384 +07 11 30.64 X F51
2024-03-18 06:33:33 C 04 04 21.257 +07 11 33.14 X F51
2024-03-18 06:50:20 C 04 04 22.146 +07 11 35.84 X F51
2024-12-03 11:34:28 C 09 20 32.384 -19 31 29.32 V G96
2024-12-03 11:41:49 C 09 20 32.384 -19 31 34.82 V G96
2024-12-03 11:49:09 C 09 20 32.402 -19 31 40.22 V G96
2024-12-03 11:56:30 C 09 20 32.420 -19 31 45.98 V G96
2024-12-26 06:01:09 C 09 13 05.976 -26 34 31.44 V W68
2024-12-26 06:05:04 C 09 13 05.868 -26 34 34.28 V W68
2024-12-26 06:09:06 C 09 13 05.712 -26 34 36.95 V W68
2024-12-26 06:17:43 C 09 13 05.431 -26 34 43.86 V W68
2024-12-27 00:03:12 C 09 12 29.340 -26 48 13.39 V M22
2024-12-27 00:06:37 C 09 12 29.225 -26 48 16.74 V M22
2024-12-27 00:11:11 C 09 12 29.074 -26 48 19.51 V M22
2024-12-27 00:18:58 C 09 12 28.726 -26 48 26.17 V M22
2024-12-29 06:03:51 C 09 10 30.012 -27 28 53.58 V W68
2024-12-29 06:07:50 C 09 10 29.880 -27 28 56.35 V W68
2024-12-29 06:12:59 C 09 10 29.633 -27 29 00.46 V W68
2024-12-29 06:20:51 C 09 10 29.342 -27 29 06.18 V W68
2025-01-02 05:18:30 C 09 06 23.114 -28 38 44.16 V W68
2025-01-02 05:21:06 C 09 06 23.006 -28 38 46.18 V W68
2025-01-02 05:25:39 C 09 06 22.822 -28 38 48.88 V W68
2025-01-02 05:34:07 C 09 06 22.416 -28 38 54.60 V W68
2025-01-04 23:01:55 C 09 03 04.891 -29 25 07.86 V M22
2025-01-04 23:05:19 C 09 03 04.730 -29 25 10.38 V M22
2025-01-04 23:09:24 C 09 03 04.474 -29 25 11.89 V M22
2025-01-04 23:17:12 C 09 03 03.979 -29 25 18.26 V M22
2025-01-07 05:06:46 C 09 00 04.224 -30 01 55.60 V W68
2025-01-07 05:10:48 C 09 00 04.027 -30 01 59.02 V W68
2025-01-07 05:46:12 C 09 00 01.870 -30 02 20.98 V W68
2025-01-07 05:50:21 C 09 00 01.646 -30 02 24.00 V W68
2025-01-07 22:58:40 C 08 59 01.092 -30 13 45.16 V M22
2025-01-07 23:02:39 C 08 59 00.840 -30 13 48.14 V M22
2025-01-07 23:06:42 C 08 59 00.626 -30 13 49.76 V M22
2025-01-07 23:14:32 C 08 59 00.115 -30 13 55.34 V M22