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
2010-04-11 03:35:38 C 09 03 26.37 +12 19 29.1 r H53
2010-04-11 03:38:37 C 09 03 26.29 +12 19 24.6 r H53
2010-04-11 03:41:37 C 09 03 26.21 +12 19 20.0 r H53
2010-04-11 03:44:37 C 09 03 26.16 +12 19 15.5 r H53
2010-04-11 04:22:41 C 09 03 25.62 +12 18 19.8 16.4 c 704
2010-04-11 04:39:17 C 09 03 25.26 +12 17 54.8 16.5 c 704
2010-04-11 04:56:00 C 09 03 24.90 +12 17 29.2 16.6 c 704
2010-04-11 05:12:37 C 09 03 24.58 +12 17 04.7 16.4 c 704
2010-04-11 05:29:37 C 09 03 24.16 +12 16 38.7 16.4 c 704
2010-04-11 20:30:05 C 09 03 09.79 +11 54 03.6 16.5 u 084
2010-04-11 20:32:15 C 09 03 09.75 +11 54 01.3 16.7 o 084
2010-04-12 00:46:35 C 09 03 06.33 +11 47 49.1 o I15
2010-04-12 01:01:24 C 09 03 06.06 +11 47 27.1 o I15
2010-04-12 01:16:50 C 09 03 05.78 +11 47 04.3 o I15
2010-04-12 03:06:03 C 09 03 04.04 +11 44 23.6 r H53
2010-04-12 03:09:04 C 09 03 03.96 +11 44 19.2 r H53
2010-04-12 03:12:04 C 09 03 03.90 +11 44 14.9 r H53
2010-04-12 03:15:04 C 09 03 03.84 +11 44 10.5 r H53
2010-04-12 03:18:05 C 09 03 03.80 +11 44 06.0 r H53
2010-04-12 03:21:05 C 09 03 03.74 +11 44 01.6 r H53
2010-04-12 04:32:37 C 09 03 02.70 +11 42 17.9 16.2 c 704
2010-04-12 05:05:28 C 09 03 02.10 +11 41 29.0 16.3 c 704
2010-04-12 05:21:52 C 09 03 01.80 +11 41 04.8 16.2 c 704
2010-04-12 05:38:17 C 09 03 01.52 +11 40 40.9 16.2 c 704
2010-04-12 20:28:52 C 09 02 50.26 +11 18 51.6 16.2 u 084
2010-04-12 20:31:01 C 09 02 50.23 +11 18 48.4 16.3 u 084
2010-04-13 02:49:11 C 09 02 45.99 +11 09 47.2 r H53
2010-04-13 02:52:16 C 09 02 45.95 +11 09 42.7 r H53
2010-04-13 02:55:16 C 09 02 45.89 +11 09 38.4 r H53
2010-04-13 02:58:18 C 09 02 45.83 +11 09 34.1 r H53
2010-04-13 03:01:18 C 09 02 45.78 +11 09 29.5 r H53
2010-04-13 03:04:20 C 09 02 45.77 +11 09 25.3 r H53
2010-04-13 03:15:29 C 09 02 45.90 +11 09 11.4 16.2 c 704
2010-04-13 04:04:11 C 09 02 45.14 +11 08 01.0 16.7 c 704
2010-04-13 04:20:26 C 09 02 44.87 +11 07 37.6 16.6 c 704
2010-04-13 19:37:26 C 09 02 35.79 +10 45 38.4 16.0 u 084
2010-04-13 19:39:35 C 09 02 35.81 +10 45 35.0 16.6 u 084
2010-04-14 19:20:02 C 09 02 25.15 +10 12 21.3 16.6 o 084
2010-04-14 19:22:12 C 09 02 25.14 +10 12 18.7 16.7 o 084
2010-04-14 21:49:06 C 09 02 24.04 +10 08 55.6 o A32
2010-04-14 21:53:09 C 09 02 24.00 +10 08 49.9 o A32
2010-04-14 21:56:49 C 09 02 23.99 +10 08 45.2 o A32
2010-04-15 02:03:48 C 09 02 23.00 +10 03 08.4 r H53
2010-04-15 02:05:48 C 09 02 22.96 +10 03 05.5 r H53
2010-04-15 02:07:48 C 09 02 22.96 +10 03 02.6 r H53
2010-04-15 02:09:48 C 09 02 22.99 +10 02 59.8 r H53
2010-04-15 02:11:49 C 09 02 22.93 +10 02 56.9 r H53
2010-04-15 02:13:49 C 09 02 22.88 +10 02 54.3 r H53
2010-04-15 03:39:02 C 09 02 22.45 +10 00 58.3 r 703
2010-04-15 03:48:50 C 09 02 22.34 +10 00 44.8 r 703