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
2010-03-15 02:45:34 C 10 03 43.75 +34 29 49.5 r J37
2010-03-15 03:02:32 C 10 03 40.20 +34 29 07.4 r J37
2010-03-15 03:18:09 C 10 03 37.01 +34 28 29.2 r J37
2010-03-15 19:51:37 C 10 00 17.75 +33 48 21.0 v 434
2010-03-15 19:54:45 C 10 00 17.10 +33 48 13.4 v 434
2010-03-15 19:58:35 C 10 00 16.33 +33 48 04.4 v 434
2010-03-15 20:00:24 C 10 00 15.95 +33 48 00.0 v 434
2010-03-15 20:56:32 C 10 00 03.90 +33 45 37.3 15.4 u 084
2010-03-15 20:58:43 C 10 00 03.44 +33 45 31.9 14.8 u 084
2010-03-16 19:17:40 C 09 55 45.08 +32 51 15.2 14.6 u 084
2010-03-16 19:19:50 C 09 55 44.67 +32 51 10.1 14.7 u 084
2010-03-17 00:28:57 C 09 54 45.53 +32 38 33.5 14.7 u 084
2010-03-17 01:56:10 C 09 54 30.91 +32 35 14.1 o I15
2010-03-17 02:04:33 C 09 54 29.31 +32 34 53.7 o I15
2010-03-17 02:15:44 C 09 54 27.14 +32 34 26.7 o I15
2010-03-17 19:25:33 C 09 51 20.61 +31 52 33.7 14.8 o 084
2010-03-19 05:55:32 C 09 45 29.16 +30 29 12.1 r 703
2010-03-19 06:06:15 C 09 45 27.36 +30 28 46.5 r 703
2010-03-19 06:16:58 C 09 45 25.56 +30 28 20.4 r 703
2010-03-19 06:27:45 C 09 45 23.72 +30 27 54.4 r 703
2010-03-22 17:29:17 C 09 33 23.37 +27 10 45.8 14.4 u 084
2010-03-22 17:31:27 C 09 33 23.06 +27 10 40.4 15.1 u 084
2010-03-22 20:15:12 C 09 33 01.87 +27 04 25.6 c 127
2010-03-22 20:25:46 C 09 33 00.46 +27 04 01.1 c 127
2010-03-22 20:31:24 C 09 32 59.72 +27 03 48.2 c 127
2010-03-22 20:37:19 C 09 32 58.93 +27 03 34.5 c 127
2010-03-23 20:32:40 C 09 30 01.34 +26 08 34.0 15.2 u C20
2010-03-23 20:34:47 C 09 30 01.08 +26 08 29.1 15.2 u C20
2010-03-23 20:36:54 C 09 30 00.81 +26 08 24.2 15.2 u C20
2010-03-23 20:55:58 C 09 29 58.88 +26 07 34.8 15.4 u 084
2010-03-24 17:24:18 C 09 27 38.25 +25 21 18.7 15.3 u C20
2010-03-24 17:28:31 C 09 27 37.74 +25 21 09.1 15.3 u C20
2010-03-24 18:37:45 C 09 27 29.85 +25 18 27.4 15.3 u 084
2010-03-24 18:39:54 C 09 27 29.61 +25 18 22.7 15.3 u 084
2010-03-27 17:23:50 C 09 20 26.03 +22 43 53.3 15.3 u C20
2010-03-27 17:25:57 C 09 20 25.84 +22 43 48.8 15.4 u C20
2010-03-28 17:51:50 C 09 18 20.31 +21 52 31.7 15.7 u C20
2010-03-28 17:56:04 C 09 18 19.94 +21 52 22.9 15.8 u C20
2010-03-29 22:18:41 C 09 16 05.55 +20 54 10.1 15.7 u C20
2010-03-29 22:22:54 C 09 16 05.23 +20 54 01.5 15.7 u C20
2010-03-30 04:13:20 C 09 15 40.04 +20 42 20.2 r H53
2010-03-30 04:16:20 C 09 15 39.83 +20 42 14.1 r H53
2010-03-30 04:19:19 C 09 15 39.57 +20 42 07.8 r H53
2010-03-30 04:22:21 C 09 15 39.33 +20 42 01.9 r H53
2010-03-30 04:25:20 C 09 15 39.11 +20 41 56.1 r H53
2010-03-30 04:28:20 C 09 15 38.87 +20 41 49.6 r H53
2010-03-30 17:35:39 C 09 14 43.64 +20 15 28.7 16.2 u 084
2010-03-31 19:37:31 C 09 12 59.97 +19 24 33.2 w A06
2010-03-31 19:44:23 C 09 12 59.50 +19 24 19.7 w A06
2010-03-31 19:51:12 C 09 12 59.03 +19 24 06.7 w A06