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
2025-08-23 05:20:41 C 06 14 49.200 +28 49 16.46 V R17
2025-08-23 05:24:27 C 06 14 49.421 +28 49 14.27 V R17
2025-08-31 11:37:30 C 06 25 29.417 +26 50 05.14 V G96
2025-08-31 11:47:14 C 06 25 29.878 +26 49 59.52 V G96
2025-08-31 11:52:50 C 06 25 30.162 +26 49 56.32 V G96
2025-08-31 11:58:26 C 06 25 30.421 +26 49 53.04 V G96
2025-09-04 14:16:26 C 06 30 05.486 +25 50 50.71 V T08
2025-09-04 14:20:38 C 06 30 05.693 +25 50 49.06 V T08
2025-09-04 14:28:04 C 06 30 05.966 +25 50 44.12 V T08
2025-09-04 14:41:42 C 06 30 06.583 +25 50 36.20 V T08
2025-09-05 14:28:24 C 06 31 08.681 +25 36 17.39 V T05
2025-09-05 14:33:05 C 06 31 08.842 +25 36 15.05 V T05
2025-09-05 14:40:27 C 06 31 09.134 +25 36 10.48 V T05
2025-09-05 14:56:35 C 06 31 09.794 +25 36 00.97 V T05
2025-09-11 14:25:34 C 06 36 46.385 +24 09 21.06 V T05
2025-09-11 14:59:00 C 06 36 47.506 +24 09 00.97 V T05
2025-09-11 15:05:46 C 06 36 47.729 +24 08 56.90 V T05
2025-09-11 15:14:30 C 06 36 48.072 +24 08 51.58 V T05
2025-09-13 14:15:11 C 06 38 23.534 +23 40 17.90 V T05
2025-09-13 14:21:11 C 06 38 23.827 +23 40 13.22 V T05
2025-09-13 14:32:21 C 06 38 24.221 +23 40 06.60 V T05
2025-09-13 14:42:07 C 06 38 24.499 +23 40 00.23 V T05
2025-09-17 14:20:18 C 06 41 15.194 +22 41 31.42 V T05
2025-09-17 14:30:26 C 06 41 15.456 +22 41 25.55 V T05
2025-09-17 14:39:04 C 06 41 15.655 +22 41 19.97 V T05
2025-09-17 15:01:57 C 06 41 16.296 +22 41 05.60 V T05
2025-09-22 14:50:47 C 06 44 02.779 +21 26 59.21 V T08
2025-09-22 14:58:08 C 06 44 02.947 +21 26 54.64 V T08
2025-09-22 15:14:41 C 06 44 03.238 +21 26 44.23 V T08
2025-09-22 15:16:41 C 06 44 03.247 +21 26 42.90 V T08
2025-09-23 14:08:17 C 06 44 28.908 +21 12 27.40 V T05
2025-09-23 14:40:45 C 06 44 29.371 +21 12 07.24 V T05
2025-09-23 14:44:50 C 06 44 29.544 +21 12 04.14 V T05
2025-09-23 14:58:45 C 06 44 29.738 +21 11 55.46 V T05
2025-09-26 03:16:40 C 06 45 27.079 +20 34 03.61 V R17
2025-09-26 03:37:02 C 06 45 27.365 +20 33 51.05 V R17
2025-09-26 03:57:25 C 06 45 27.610 +20 33 38.52 V R17
2025-09-26 04:17:47 C 06 45 27.828 +20 33 25.63 V R17
2025-09-29 14:18:03 C 06 46 21.350 +19 41 26.52 V T05
2025-09-29 14:22:41 C 06 46 21.398 +19 41 23.86 V T05
2025-09-29 14:30:47 C 06 46 21.456 +19 41 19.54 V T05
2025-09-29 14:56:50 C 06 46 21.607 +19 41 01.64 V T05
2025-10-01 14:31:56 C 06 46 39.617 +19 10 34.25 V T05
2025-10-01 14:34:37 C 06 46 39.626 +19 10 31.91 V T05
2025-10-01 14:40:06 C 06 46 39.710 +19 10 28.99 V T05
2025-10-01 15:04:36 C 06 46 39.708 +19 10 13.40 V T05
2025-10-01 15:20:05 C 06 46 39.739 +19 10 03.14 V T05
2025-10-04 14:39:01 C 06 46 47.947 +18 23 55.72 V T08
2025-10-04 14:43:11 C 06 46 47.911 +18 23 52.98 V T08
2025-10-04 14:48:22 C 06 46 47.933 +18 23 49.78 V T08