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
2011-03-07 03:08:47 C 12 54 35.63 +11 34 38.9 u 585
2011-03-07 03:20:53 C 12 54 32.94 +11 34 25.8 u 585
2011-03-07 03:26:57 C 12 54 31.60 +11 34 19.2 u 585
2011-03-07 03:30:59 C 12 54 30.72 +11 34 14.7 u 585
2011-03-07 03:33:01 C 12 54 30.24 +11 34 12.6 u 585
2011-03-07 20:30:40 C 12 50 47.50 +11 15 48.7 w J93
2011-03-07 20:35:18 C 12 50 46.49 +11 15 43.7 w J93
2011-03-07 20:36:50 C 12 50 46.14 +11 15 41.9 w J93
2011-03-07 21:00:58 C 12 50 40.56 +11 15 17.3 u 557
2011-03-07 22:00:23 C 12 50 27.00 +11 14 12.8 u 557
2011-03-07 22:59:38 C 12 50 13.44 +11 13 08.1 u 557
2011-03-08 00:00:39 C 12 49 59.35 +11 12 00.9 u 557
2011-03-08 01:01:32 C 12 49 45.29 +11 10 53.7 u 557
2011-03-08 01:59:19 C 12 49 31.92 +11 09 49.4 u 557
2011-03-08 03:01:05 C 12 49 17.62 +11 08 39.9 u 557
2011-03-08 04:00:26 C 12 49 03.95 +11 07 33.2 u 557
2011-03-08 22:04:54 C 12 44 58.17 +10 47 04.4 u 557
2011-03-08 23:01:07 C 12 44 44.88 +10 46 00.2 u 557
2011-03-09 00:00:59 C 12 44 30.69 +10 44 51.6 u 557
2011-03-09 01:00:59 C 12 44 16.38 +10 43 42.1 u 557
2011-03-09 02:03:13 C 12 44 01.59 +10 42 29.9 u 557
2011-03-09 02:41:28 C 12 43 52.56 +10 41 47.3 c A24
2011-03-09 02:42:30 C 12 43 52.32 +10 41 46.1 c A24
2011-03-09 03:00:59 C 12 43 47.87 +10 41 22.4 u 557
2011-03-09 03:06:35 C 12 43 46.58 +10 41 17.8 c A24
2011-03-09 03:31:21 C 12 43 40.69 +10 40 48.7 c A24
2011-03-09 03:55:48 C 12 43 34.87 +10 40 20.0 c A24
2011-03-09 03:56:50 C 12 43 34.61 +10 40 18.7 c A24
2011-03-09 04:01:56 C 12 43 33.43 +10 40 10.7 u 557
2011-03-09 19:03:40 C 12 40 03.835 +10 22 25.18 r 168
2011-03-09 19:50:11 C 12 39 52.614 +10 21 30.07 r 168
2011-03-09 19:51:36 C 12 39 52.276 +10 21 28.43 r 168
2011-03-09 20:53:55 C 12 39 37.193 +10 20 13.94 r 168
2011-03-09 22:03:20 C 12 39 20.370 +10 18 50.82 r 168
2011-03-09 22:06:36 C 12 39 19.574 +10 18 46.92 r 168
2011-03-10 19:03:15 C 12 34 19.259 +09 53 12.32 r 168
2011-03-10 19:04:55 C 12 34 18.832 +09 53 10.28 r 168
2011-03-10 19:12:55 C 12 34 16.867 +09 53 00.36 r 168
2011-03-10 20:03:50 C 12 34 04.296 +09 51 57.29 r 168
2011-03-11 00:28:43 C 12 32 59.58 +09 46 32.9 u 160
2011-03-11 00:30:48 C 12 32 59.06 +09 46 30.3 u 160
2011-03-11 00:33:03 C 12 32 58.50 +09 46 27.5 u 160
2011-03-11 08:50:23 C 12 30 56.84 +09 36 06.6 r 703
2011-03-11 09:02:18 C 12 30 53.82 +09 35 51.5 r 703
2011-03-11 09:14:17 C 12 30 50.79 +09 35 36.3 r 703
2011-03-11 09:26:22 C 12 30 47.73 +09 35 20.9 r 703
2011-03-22 19:03:19 C 11 20 13.39 +02 57 09.5 u 557
2011-03-22 19:59:50 C 11 19 58.83 +02 55 42.8 u 557
2011-03-22 20:58:50 C 11 19 43.58 +02 54 12.3 u 557
2011-03-22 22:01:00 C 11 19 27.67 +02 52 38.7 c A24