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
2015-01-15 07:12:49 C 04 44 58.246 -02 10 51.35 L F51
2015-01-15 07:32:16 C 04 44 57.494 -02 10 49.08 L F51
2015-11-29 07:18:31 C 10 58 37.89 -24 42 07.8 u 807
2015-11-29 07:21:56 C 10 58 38.16 -24 42 11.0 u 807
2015-11-29 07:25:31 C 10 58 38.44 -24 42 14.4 u 807
2015-11-29 07:28:45 C 10 58 38.68 -24 42 17.5 u 807
2015-11-29 07:32:21 C 10 58 38.93 -24 42 20.9 u 807
2016-03-01 02:39:48 C 20 02 45.64 -42 40 32.6 o K95
2016-03-01 02:52:55 C 20 02 50.17 -42 39 42.1 o K95
2016-11-24 07:44:37 C 06 52 58.99 -02 14 48.0 V G45
2016-11-24 08:40:20 C 06 52 56.03 -02 15 14.7 V G45
2016-11-24 09:37:11 C 06 52 53.01 -02 15 42.1 V G45
2016-11-24 10:34:12 C 06 52 49.94 -02 16 09.9 V G45
2016-11-24 11:33:19 C 06 52 46.80 -02 16 38.3 V G45
2016-12-24 06:27:50 C 06 05 02.46 -06 15 01.0 R G45
2016-12-24 06:34:58 C 06 05 01.94 -06 15 01.9 R G45
2016-12-24 06:42:24 C 06 05 01.41 -06 15 02.8 R G45
2016-12-24 06:48:48 C 06 05 00.92 -06 15 03.9 R G45
2016-12-24 06:56:19 C 06 05 00.34 -06 15 04.8 R G45
2016-12-27 04:15:26 C 06 00 01.14 -06 23 34.4 R G45
2016-12-27 04:22:22 C 06 00 00.67 -06 23 35.4 R G45
2016-12-27 04:29:25 C 06 00 00.12 -06 23 37.0 R G45
2016-12-27 04:36:27 C 05 59 59.62 -06 23 36.9 R G45
2016-12-27 04:43:29 C 05 59 59.15 -06 23 37.7 R G45
2016-12-27 04:50:34 C 05 59 58.62 -06 23 38.5 R G45
2017-01-03 11:48:33 C 05 47 55.36 -06 32 26.0 q Q60
2017-01-03 11:57:52 C 05 47 54.64 -06 32 24.9 q Q60
2017-01-03 12:07:17 C 05 47 54.08 -06 32 25.8 q Q60
2017-01-27 07:53:47 C 05 18 48.266 -05 19 46.97 L F51
2017-01-27 08:10:48 C 05 18 47.666 -05 19 43.17 L F51
2017-01-27 08:27:52 C 05 18 47.072 -05 19 39.25 L F51
2017-01-27 08:44:56 C 05 18 46.478 -05 19 35.45 L F51
2017-01-28 04:16:37 C 05 18 07.80 -05 15 08.8 R G45
2017-01-28 04:48:17 C 05 18 06.76 -05 15 01.5 o 691
2017-01-28 04:51:30 C 05 18 06.64 -05 15 01.0 R G45
2017-01-28 04:58:22 C 05 18 06.46 -05 15 00.1 R G45
2017-01-28 04:58:28 C 05 18 06.40 -05 14 59.7 R G45
2017-01-28 05:04:01 C 05 18 06.23 -05 14 58.2 o 691
2017-01-28 05:05:28 C 05 18 06.19 -05 14 58.0 R G45
2017-01-28 05:11:32 C 05 18 05.98 -05 14 56.0 R G45
2017-01-28 05:12:42 C 05 18 05.93 -05 14 56.0 R G45
2017-01-28 05:18:27 C 05 18 05.73 -05 14 55.6 R G45
2017-01-28 05:19:45 C 05 18 05.68 -05 14 54.4 o 691
2017-01-28 05:26:45 C 05 18 05.46 -05 14 53.2 R G45
2018-11-12 10:34:26 C 07 35 16.54 -03 16 30.7 V G96
2018-11-12 10:43:15 C 07 35 16.36 -03 16 35.3 V G96
2018-11-12 10:51:53 C 07 35 16.21 -03 16 39.9 V G96
2018-11-12 11:00:22 C 07 35 16.05 -03 16 44.4 V G96
2019-01-12 07:49:31 C 06 17 19.09 -10 48 36.2 V G96
2019-01-12 07:57:40 C 06 17 18.55 -10 48 35.8 V G96