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
2022-02-03 02:40:07 C 01 56 14.82 +06 25 44.4 V 703
2022-02-03 02:48:17 C 01 56 15.51 +06 25 47.0 V 703
2022-02-03 02:56:27 C 01 56 16.28 +06 25 47.9 V 703
2022-02-03 03:04:37 C 01 56 17.03 +06 25 49.8 V 703
2022-02-12 03:12:30 C 02 15 46.94 +07 09 54.9 V 703
2022-02-12 03:29:00 C 02 15 48.37 +07 09 58.8 V 703
2022-02-12 03:37:16 C 02 15 49.15 +07 09 59.5 V 703
2022-02-20 03:20:07 C 02 32 01.16 +07 48 36.4 V 703
2022-02-20 03:36:35 C 02 32 02.43 +07 48 38.9 V 703
2022-02-20 03:44:50 C 02 32 02.99 +07 48 39.7 V 703
2022-02-22 05:45:37 C 02 36 08.865 +07 58 35.97 U F52
2022-02-22 06:02:59 C 02 36 10.265 +07 58 39.41 U F52
2022-02-22 06:20:23 C 02 36 11.666 +07 58 42.89 U F52
2022-02-22 06:37:51 C 02 36 13.076 +07 58 46.28 U F52
2022-10-29 11:23:38 C 08 31 23.948 -06 34 26.80 V G96
2022-10-29 11:31:04 C 08 31 24.056 -06 34 31.08 V G96
2022-10-29 11:38:29 C 08 31 24.265 -06 34 35.29 V G96
2022-11-21 10:42:33 C 08 36 44.399 -12 04 48.22 V G96
2022-11-21 10:49:55 C 08 36 44.356 -12 04 52.90 V G96
2022-11-21 10:57:17 C 08 36 44.327 -12 04 57.79 V G96
2022-11-21 11:04:39 C 08 36 44.309 -12 05 02.40 V G96
2022-12-22 08:07:48 C 08 18 29.588 -19 24 07.45 V G96
2022-12-22 08:16:18 C 08 18 29.131 -19 24 11.74 V G96
2022-12-22 08:24:48 C 08 18 28.710 -19 24 16.16 V G96
2022-12-22 08:33:18 C 08 18 28.278 -19 24 20.41 V G96
2023-01-30 04:08:32 C 07 13 06.816 -22 27 22.25 V W68
2023-01-30 04:13:04 C 07 13 06.437 -22 27 21.89 V W68
2023-01-30 04:29:12 C 07 13 05.201 -22 27 18.86 V W68
2023-01-30 04:41:38 C 07 13 04.236 -22 27 16.13 V W68
2023-02-10 21:01:41 C 06 53 25.301 -21 02 48.05 V M22
2023-02-10 21:06:18 C 06 53 24.989 -21 02 46.00 V M22
2023-02-10 21:15:24 C 06 53 24.410 -21 02 43.01 V M22
2023-02-10 21:37:52 C 06 53 22.891 -21 02 33.65 V M22
2023-02-18 19:55:29 C 06 42 35.974 -19 36 37.55 V M22
2023-02-18 20:11:15 C 06 42 35.158 -19 36 30.02 V M22
2023-02-18 20:15:48 C 06 42 34.896 -19 36 27.54 V M22
2023-02-18 20:23:35 C 06 42 34.524 -19 36 23.83 V M22
2023-02-22 20:46:56 C 06 38 05.119 -18 46 38.57 V M22
2023-02-22 20:51:29 C 06 38 04.918 -18 46 36.16 V M22
2023-02-22 21:03:15 C 06 38 04.430 -18 46 29.86 V M22
2023-02-22 21:18:40 C 06 38 03.746 -18 46 21.25 V M22
2023-03-13 18:48:02 C 06 26 17.729 -14 26 34.12 V M22
2023-03-13 18:53:15 C 06 26 17.657 -14 26 31.67 V M22
2023-03-13 19:01:03 C 06 26 17.657 -14 26 26.34 V M22
2023-03-13 19:20:35 C 06 26 17.388 -14 26 15.29 V M22
2023-10-25 12:16:56 C 06 30 31.488 +36 49 45.26 V T05
2023-10-25 12:49:21 C 06 30 21.389 +36 48 50.04 V T05
2023-10-28 11:54:58 C 06 08 50.923 +34 37 36.37 V T05
2023-10-28 12:06:58 C 06 08 47.249 +34 37 13.19 V T05
2023-10-28 12:14:15 C 06 08 45.022 +34 36 59.26 V T05