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
2008-02-29 20:41:30 C 04 46 33.55 +60 46 09.2 c J34
2008-03-11 17:20:56 C 05 57 45.52 +52 17 46.6 o 084
2008-03-12 01:21:08 C 05 59 28.07 +52 01 43.4 o H51
2008-03-12 01:21:45 C 05 59 28.19 +52 01 42.0 o H51
2008-03-12 01:22:22 C 05 59 28.32 +52 01 40.7 o H51
2008-03-12 01:23:12 C 05 59 28.48 +52 01 39.3 o H51
2008-03-12 01:23:47 C 05 59 28.63 +52 01 38.1 o H51
2008-03-12 01:24:24 C 05 59 28.76 +52 01 36.8 o H51
2008-03-12 01:25:14 C 05 59 28.90 +52 01 35.2 o H51
2008-03-12 01:25:52 C 05 59 29.03 +52 01 33.7 o H51
2008-03-12 01:26:29 C 05 59 29.17 +52 01 32.6 o H51
2008-03-12 01:27:17 C 05 59 29.27 +52 01 30.2 o H51
2008-03-12 01:28:31 C 05 59 29.53 +52 01 28.1 o H51
2008-03-12 01:33:03 C 05 59 30.28 +52 01 20.5 o 841
2008-03-12 02:03:34 C 05 59 36.57 +52 00 17.9 o 841
2008-03-12 02:33:36 C 05 59 42.76 +51 59 16.7 o 841
2008-03-13 01:30:57 C 06 04 29.71 +51 13 03.0 o 841
2008-03-13 02:02:43 C 06 04 36.04 +51 11 58.6 o 841
2008-03-13 02:32:46 C 06 04 41.98 +51 10 57.4 o 841
2008-03-13 19:38:09 C 06 08 09.03 +50 36 35.8 c J42
2008-03-13 19:58:41 C 06 08 13.03 +50 35 54.7 c J42
2008-03-17 19:48:51 C 06 25 59.23 +47 25 07.5 c J42
2008-03-17 20:30:30 C 06 26 06.15 +47 23 45.9 c J42
2008-03-17 20:33:46 C 06 26 06.64 +47 23 39.8 c J42
2008-03-21 00:51:33 C 06 38 41.37 +44 55 22.1 o 841
2008-03-21 01:24:49 C 06 38 46.41 +44 54 17.9 o 841
2008-03-21 01:51:09 C 06 38 50.39 +44 53 26.9 o 841
2008-03-28 18:43:52 C 07 05 06.44 +39 12 10.8 r 113
2008-03-28 18:46:34 C 07 05 06.77 +39 12 06.1 r 113
2008-03-28 18:49:00 C 07 05 07.09 +39 12 01.9 r 113
2008-03-28 18:51:21 C 07 05 07.38 +39 11 57.6 r 113
2008-03-28 23:45:31 C 07 05 44.97 +39 03 10.0 r 084
2008-03-28 23:48:44 C 07 05 45.35 +39 03 04.7 r 084
2008-03-30 04:36:59 C 07 09 25.20 +38 12 46.0 r 703
2008-03-30 04:48:25 C 07 09 26.60 +38 12 25.9 r 703
2008-03-30 04:59:50 C 07 09 28.00 +38 12 06.0 r 703
2008-03-30 05:11:13 C 07 09 29.55 +38 11 44.5 r 703
2008-04-06 02:37:22 C 07 29 00.64 +33 35 39.9 r H45
2008-04-06 02:40:16 C 07 29 00.94 +33 35 35.5 r H45
2008-04-06 02:41:28 C 07 29 01.10 +33 35 33.8 r H45
2008-04-06 02:44:06 C 07 29 01.37 +33 35 29.5 r H45
2008-04-06 02:45:41 C 07 29 01.54 +33 35 26.9 r H45
2008-04-16 03:11:13 C 07 54 04.28 +27 33 49.2 r 703
2008-04-16 03:16:37 C 07 54 04.75 +27 33 42.3 r 703
2008-04-16 03:22:01 C 07 54 05.29 +27 33 34.2 r 703
2008-04-16 03:27:27 C 07 54 05.79 +27 33 26.3 r 703
2008-04-17 03:15:49 C 07 56 25.29 +26 59 57.9 17.9 c 704
2008-04-17 03:31:13 C 07 56 26.78 +26 59 35.5 18.0 c 704
2008-04-17 03:46:36 C 07 56 28.18 +26 59 14.2 18.0 c 704
2008-04-17 04:02:07 C 07 56 29.66 +26 58 53.0 18.4 c 704