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
2008-04-17 04:17:34 C 07 56 31.11 +26 58 30.8 18.2 c 704
2008-04-21 20:12:18 C 08 07 09.36 +24 26 13.0 r 084
2008-04-21 20:15:31 C 08 07 09.62 +24 26 08.6 r 084
2008-04-25 03:44:56 C 08 14 28.03 +22 42 49.7 r 703
2008-04-25 03:51:02 C 08 14 28.57 +22 42 41.9 r 703
2008-04-25 03:57:18 C 08 14 29.07 +22 42 34.0 r 703
2008-04-25 04:03:33 C 08 14 29.68 +22 42 25.3 r 703
2008-04-26 03:23:21 C 08 16 36.42 +22 12 46.7 18.6 c 704
2008-04-26 03:38:26 C 08 16 37.77 +22 12 27.5 18.8 c 704
2008-04-26 03:54:09 C 08 16 39.15 +22 12 07.2 18.9 c 704
2008-04-26 04:09:14 C 08 16 40.45 +22 11 48.3 18.7 c 704
2008-04-26 04:24:22 C 08 16 41.78 +22 11 29.0 18.5 c 704
2008-05-04 03:25:54 C 08 33 31.89 +18 19 09.7 r 703
2008-05-04 03:35:08 C 08 33 32.68 +18 18 58.9 r 703
2008-05-04 03:44:29 C 08 33 33.44 +18 18 47.8 r 703
2008-05-04 03:53:46 C 08 33 34.27 +18 18 37.1 r 703
2008-05-05 03:28:04 C 08 35 36.17 +17 51 07.4 18.1 c 704
2008-05-05 03:43:12 C 08 35 37.46 +17 50 49.9 18.3 c 704
2008-05-05 04:13:17 C 08 35 40.01 +17 50 14.5 18.5 c 704
2008-05-05 04:28:04 C 08 35 41.17 +17 49 57.8 18.9 c 704
2008-05-08 03:20:31 C 08 41 44.91 +16 28 40.4 r 703
2008-05-08 03:26:32 C 08 41 45.42 +16 28 33.5 r 703
2008-05-08 03:32:35 C 08 41 45.92 +16 28 26.9 r 703
2008-05-08 03:38:39 C 08 41 46.50 +16 28 19.9 r 703
2008-06-26 08:54:48 C 10 19 20.02 -03 14 50.5 r E12
2008-06-26 09:00:23 C 10 19 20.53 -03 14 55.7 r E12
2008-06-26 09:05:56 C 10 19 20.96 -03 15 01.1 r E12
2008-06-26 09:11:31 C 10 19 21.43 -03 15 06.6 r E12
2008-07-03 08:45:08 C 10 33 40.59 -05 52 15.3 r 432
2008-07-03 09:36:31 C 10 33 44.96 -05 53 02.9 r 432
2008-11-17 15:40:52 C 17 55 24.18 +06 35 27.6 16.8 r 084
2008-12-04 16:29:04 C 18 05 29.00 +28 08 34.5 16.3 r 084
2008-12-04 16:31:16 C 18 05 29.04 +28 08 41.0 16.3 r 084
2008-12-13 16:13:51 C 18 04 16.63 +36 56 46.7 16.0 r C20
2008-12-13 16:15:57 C 18 04 16.65 +36 56 51.5 15.9 r C20
2008-12-14 16:16:19 C 18 03 59.62 +37 49 18.2 16.2 r C20
2008-12-17 16:11:33 C 18 03 01.74 +40 20 05.9 15.6 r C20
2008-12-17 16:13:40 C 18 03 01.73 +40 20 10.1 15.7 r C20
2008-12-18 16:11:27 C 18 02 40.64 +41 08 30.5 16.0 o C20
2008-12-18 16:13:34 C 18 02 40.61 +41 08 34.6 15.9 o C20
2008-12-19 16:12:36 C 18 02 18.76 +41 56 05.8 15.8 o C20
2008-12-19 16:14:43 C 18 02 18.68 +41 56 09.7 15.8 o C20
2008-12-21 13:47:30 C 18 01 35.48 +43 24 18.4 g 168
2008-12-21 14:02:20 C 18 01 35.25 +43 24 45.5 g 168
2008-12-21 14:04:10 C 18 01 35.21 +43 24 49.3 g 168
2008-12-21 14:05:50 C 18 01 35.21 +43 24 52.0 g 168
2008-12-21 17:56:20 C 18 01 32.02 +43 32 04.1 g 168
2008-12-21 17:58:10 C 18 01 31.99 +43 32 07.8 g 168
2008-12-21 18:00:00 C 18 01 31.96 +43 32 11.4 g 168
2008-12-21 18:05:35 C 18 01 31.82 +43 32 21.7 g 168