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
2009-04-24 05:10:16 C 08 38 57.96 +15 57 28.3 18.3 c 704
2009-04-24 05:25:51 C 08 38 58.77 +15 57 07.7 17.8 c 704
2009-04-26 03:00:58 C 08 41 37.93 +14 58 51.1 r H53
2009-04-26 03:05:58 C 08 41 38.15 +14 58 44.4 r H53
2009-04-26 03:10:58 C 08 41 38.39 +14 58 38.4 r H53
2009-04-26 03:16:00 C 08 41 38.75 +14 58 32.2 r H53
2009-04-26 03:21:00 C 08 41 39.03 +14 58 26.0 r H53
2009-04-26 03:26:00 C 08 41 39.31 +14 58 19.1 r H53
2009-04-26 18:15:20 C 08 42 31.56 +14 39 41.9 17.4 r C20
2009-04-26 20:03:21 C 08 42 37.95 +14 37 24.0 16.7 o 084
2009-04-27 03:39:19 C 08 43 04.62 +14 28 00.2 r H53
2009-04-27 03:45:56 C 08 43 05.09 +14 27 51.1 r H53
2009-04-27 03:49:18 C 08 43 05.29 +14 27 48.1 r H53
2009-04-27 03:52:18 C 08 43 05.40 +14 27 44.0 r H53
2009-04-27 03:56:20 C 08 43 05.66 +14 27 39.6 r H53
2009-04-27 03:59:21 C 08 43 05.77 +14 27 34.8 r H53
2009-05-13 18:20:05 C 09 07 45.17 +06 59 26.4 17.9 r C20
2009-05-14 18:12:00 C 09 09 17.68 +06 34 56.3 18.5 r C20
2009-07-01 10:08:34 C 10 31 29.92 -10 55 52.9 r E12
2009-07-17 09:13:07 C 11 03 36.67 -16 32 45.9 r E12
2009-09-16 09:04:42 C 13 55 41.71 -31 55 50.4 r 432
2009-09-16 09:35:02 C 13 55 46.29 -31 55 43.2 r 432
2009-11-17 15:18:07 C 15 18 37.76 +32 15 09.4 16.8 o C20
2009-11-17 15:20:14 C 15 18 37.67 +32 15 12.0 16.8 o C20
2009-11-18 15:10:39 C 15 17 40.67 +32 49 31.1 o C20
2009-12-02 14:41:44 C 15 07 08.13 +37 36 30.1 16.8 o C20
2009-12-02 14:43:51 C 15 07 08.08 +37 36 30.9 17.3 o C20
2009-12-21 22:33:40 C 15 01 31.09 +39 25 00.4 r 168
2009-12-21 22:35:20 C 15 01 31.05 +39 25 00.9 r 168
2009-12-21 22:36:40 C 15 01 31.06 +39 25 01.0 r 168
2010-01-08 23:17:25 C 14 56 54.11 +40 37 07.2 16.1 u C20
2010-01-08 23:19:31 C 14 56 54.07 +40 37 07.8 16.2 u C20
2010-01-09 23:44:16 C 14 56 23.32 +40 43 24.1 16.2 u C20
2010-01-09 23:46:23 C 14 56 23.27 +40 43 24.8 16.2 u C20
2010-01-13 18:16:06 S 14 54 01.64 +41 09 52.5 L C51
2010-01-13 21:26:37 S 14 53 55.85 +41 10 53.7 L C51
2010-01-13 21:26:48 S 14 53 55.84 +41 10 54.1 L C51
2010-01-14 00:37:19 S 14 53 49.95 +41 11 55.6 L C51
2010-01-14 03:47:50 S 14 53 44.00 +41 12 57.7 L C51
2010-01-14 05:23:12 S 14 53 41.01 +41 13 29.0 L C51
2010-01-14 06:58:22 S 14 53 37.99 +41 14 00.0 L C51
2010-01-14 08:33:43 S 14 53 34.97 +41 14 31.6 L C51
2010-01-14 13:19:35 S 14 53 25.78 +41 16 06.3 L C51
2010-01-14 14:54:45 S 14 53 22.68 +41 16 37.9 L C51
2010-01-14 14:54:56 S 14 53 22.69 +41 16 38.4 L C51
2010-01-14 18:05:27 S 14 53 16.42 +41 17 42.0 L C51
2010-01-14 21:15:58 S 14 53 10.11 +41 18 46.4 L C51
2010-01-21 02:44:33 C 14 46 43.65 +42 16 59.6 16.0 o 084
2010-01-21 02:48:05 C 14 46 43.42 +42 17 01.1 16.2 o 084
2010-01-24 01:50:26 C 14 42 25.09 +42 50 16.8 15.9 u C20