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
2003-03-16 18:36:31 C 01 53 13.36 +28 28 35.2 c 587
2003-03-16 18:39:08 C 01 53 13.86 +28 28 39.5 c 587
2003-03-21 18:07:16 C 02 18 30.81 +30 53 28.6 c 084
2003-03-25 17:58:49 C 02 39 19.49 +32 33 33.1 c 084
2004-02-19 16:31:56 C 00 22 43.04 +20 18 19.6 o 084
2004-02-26 19:02:34 C 00 55 43.52 +25 08 22.5 c A32
2004-02-26 19:12:19 C 00 55 45.43 +25 08 37.8 c A32
2004-02-26 19:22:03 C 00 55 47.41 +25 08 53.3 c A32
2004-02-26 19:31:47 C 00 55 49.34 +25 09 08.2 c A32
2004-03-04 17:27:35 01 29 49.02 +29 16 25.8 o 084
2004-03-05 20:24:20 C 01 35 30.95 +29 52 52.3 c A32
2004-03-05 20:32:28 C 01 35 32.66 +29 53 03.1 c A32
2004-03-05 20:40:36 C 01 35 34.40 +29 53 13.7 c A32
2004-03-05 20:48:44 C 01 35 36.18 +29 53 24.1 c A32
2004-03-07 20:38:34 C 01 45 50.45 +30 55 21.9 c A32
2004-03-07 20:46:42 C 01 45 52.26 +30 55 31.9 c A32
2004-03-09 18:43:46 01 55 51.02 +31 51 38.2 o 084
2004-03-11 18:34:53 02 06 23.10 +32 46 24.6 o 084
2004-03-12 18:30:04 02 11 42.09 +33 12 20.6 o 084
2004-03-13 19:01:33 02 17 11.26 +33 37 56.4 o 084
2004-03-19 20:00:33 02 50 12.97 +35 47 48.4 o 084
2004-03-28 21:07:53 03 40 47.94 +37 51 54.1 o 084
2004-04-07 20:25:53 C 04 35 58.27 +38 33 03.2 o 084
2004-04-08 20:26:47 C 04 41 22.53 +38 32 03.1 o 084
2005-02-03 16:49:08 C 23 37 38.21 +18 22 47.0 o 084
2005-02-21 17:27:17 C 01 02 54.37 +30 59 13.2 o 084
2005-02-24 17:51:43 C 01 18 43.65 +32 41 03.5 o 084
2005-03-03 18:14:51 C 01 57 13.89 +36 03 02.5 o 084
2005-03-03 18:18:29 C 01 57 14.72 +36 03 06.1 o 084
2005-03-09 18:54:32 C 02 31 54.62 +38 14 06.1 o 084
2005-03-09 18:58:11 C 02 31 55.49 +38 14 08.2 o 084
2005-03-10 19:52:24 C 02 38 00.21 +38 32 32.1 o 084
2005-03-11 19:18:59 C 02 43 44.74 +38 48 46.0 c A30
2005-03-11 19:20:15 C 02 43 45.05 +38 48 46.7 c A30
2005-03-11 19:21:34 C 02 43 45.38 +38 48 47.7 c A30
2005-03-11 19:23:30 C 02 43 45.85 +38 48 48.7 c A30
2005-03-11 19:24:09 C 02 43 46.01 +38 48 49.1 c A30
2005-03-14 19:19:45 C 03 01 29.44 +39 31 33.2 o 084
2005-03-14 19:23:26 C 03 01 30.28 +39 31 35.2 o 084
2005-03-30 19:11:34 C 04 34 50.74 +40 30 44.9 o 084
2005-03-30 19:15:13 C 04 34 51.56 +40 30 44.2 o 084
2005-03-31 19:32:29 C 04 40 30.15 +40 25 46.3 o 084
2005-03-31 19:36:07 C 04 40 30.96 +40 25 44.4 o 084
2005-04-03 19:18:46 C 04 56 53.46 +40 05 53.0 o 084
2005-04-04 19:00:10 C 05 02 12.02 +39 57 42.0 o 084
2005-04-04 19:03:48 C 05 02 12.79 +39 57 40.8 o 084
2005-04-11 20:52:11 C 05 38 39.65 +38 38 20.9 j 012
2005-04-11 21:05:13 C 05 38 42.42 +38 38 13.3 j 012
2005-04-11 21:08:41 C 05 38 43.11 +38 38 12.2 j 012
2005-04-11 21:11:43 C 05 38 43.68 +38 38 09.7 j 012