3554 Amun (1986 EB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2805906290 ± 1.56e-08
Semi-major axis (a)0.9739809565 AU ± 7.71e-10
Inclination (i)23.35636006° ± 1.54e-06
Long. of Asc. Node (Ω)358.59781355° ± 1.33e-06
Arg. of Perihelion (ω)359.41406001° ± 3.15e-06
Mean Anomaly (M)276.71417094° ± 8.19e-06
Mean Motion (n)1.0253840977°/day ± 1.22e-09
Perihelion dist (q)0.70069103 AU ± 1.52e-08
Aphelion dist (Q)1.24727089 AU ± 1.52e-08
Orbital Period0.96122642 yr ± 1.14e-09
Physical Parameters
H (abs. magnitude)15.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.079″
Uncertainty0
Orbit TypeAten
MOID0.250848 AU
Observations Used1611
Gaia Obs Used136
Oppositions1
Arc Total1986-2018
First Observation Used1986-03-04
Last Observation Used2018-12-20
Observations (1677)
Date Type RA Dec Mag Band Observatory
2010-04-15 03:58:45 C 09 02 22.27 +10 00 31.1 r 703
2010-04-15 04:08:43 C 09 02 22.16 +10 00 17.3 r 703
2010-04-16 03:02:53 C 09 02 17.04 +09 29 02.8 r H53
2010-04-16 03:05:54 C 09 02 16.99 +09 28 59.1 r H53
2010-04-16 03:08:53 C 09 02 16.94 +09 28 54.7 r H53
2010-04-16 03:11:53 C 09 02 16.95 +09 28 50.6 r H53
2010-04-16 03:14:54 C 09 02 16.92 +09 28 46.6 r H53
2010-04-16 03:17:53 C 09 02 16.89 +09 28 42.3 r H53
2010-04-16 18:09:13 C 09 02 15.64 +09 08 47.1 16.4 u C20
2010-04-16 18:13:27 C 09 02 15.62 +09 08 41.4 16.4 u C20
2010-04-16 21:22:40 C 09 02 15.62 +09 04 27.8 o J16
2010-04-16 21:42:35 C 09 02 15.55 +09 04 01.2 o J16
2010-04-17 02:06:45 C 09 02 15.68 +08 58 17.6 u H47
2010-04-17 02:15:37 C 09 02 15.65 +08 58 05.7 u H47
2010-04-17 02:25:28 C 09 02 15.60 +08 57 52.8 u H47
2010-04-17 18:19:46 C 09 02 16.45 +08 36 57.8 16.9 u C20
2010-04-17 19:45:27 C 09 02 16.62 +08 35 02.9 17.7 u 084
2010-04-17 19:47:37 C 09 02 16.61 +08 35 00.5 17.3 u 084
2010-04-17 21:02:23 C 09 02 16.39 +08 33 25.3 17.2 u C20
2010-04-18 19:27:24 C 09 02 21.32 +08 04 32.9 16.7 u 084
2010-04-18 19:30:33 C 09 02 21.33 +08 04 28.7 16.7 u 084
2010-04-19 02:22:00 C 09 02 23.37 +07 55 51.4 r H53
2010-04-19 02:25:01 C 09 02 23.36 +07 55 47.5 r H53
2010-04-19 02:28:01 C 09 02 23.37 +07 55 43.5 r H53
2010-04-19 02:31:00 C 09 02 23.38 +07 55 39.8 r H53
2010-04-19 02:34:01 C 09 02 23.39 +07 55 35.8 r H53
2010-04-19 02:37:01 C 09 02 23.39 +07 55 32.1 r H53
2010-04-19 18:30:23 C 09 02 28.91 +07 35 31.0 16.9 u C20
2010-04-19 18:34:36 C 09 02 28.92 +07 35 25.8 17.0 u C20
2010-04-20 18:29:07 C 09 02 40.15 +07 05 51.7 16.9 u C20
2010-04-20 18:33:21 C 09 02 40.18 +07 05 46.5 17.0 u C20
2010-04-21 03:26:54 C 09 02 45.13 +06 54 56.7 r H53
2010-04-21 03:29:55 C 09 02 45.14 +06 54 53.3 r H53
2010-04-21 03:33:28 C 09 02 45.11 +06 54 48.8 r H53
2010-04-21 03:36:29 C 09 02 45.15 +06 54 45.1 r H53
2010-04-21 03:39:29 C 09 02 45.13 +06 54 41.6 r H53
2010-04-21 03:42:29 C 09 02 45.23 +06 54 37.2 r H53
2010-04-21 19:18:27 C 09 02 55.25 +06 35 43.2 16.9 u 084
2010-04-21 19:21:36 C 09 02 55.27 +06 35 39.1 17.0 u 084
2010-04-24 19:10:24 C 09 03 56.03 +05 11 51.6 16.4 u 084
2010-04-24 19:13:33 C 09 03 56.08 +05 11 47.2 17.0 u 084
2010-04-25 20:08:13 C 09 04 22.72 +04 43 46.0 16.9 u 084
2010-04-25 20:11:23 C 09 04 22.74 +04 43 42.6 17.3 u 084
2010-04-26 19:55:11 C 09 04 50.76 +04 17 29.1 17.0 u 084
2010-04-26 19:58:22 C 09 04 50.78 +04 17 25.2 17.0 u 084
2010-04-28 19:08:37 C 09 05 53.00 +03 26 37.3 17.0 u C20
2010-04-28 19:12:51 C 09 05 53.11 +03 26 32.8 17.0 u C20
2010-04-29 02:15:48 C 09 06 03.45 +03 19 06.8 r H53
2010-04-29 02:17:52 C 09 06 03.50 +03 19 05.3 r H53
2010-04-29 02:19:52 C 09 06 03.49 +03 19 02.2 r H53