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
2011-04-15 01:49:49 C 09 42 04.82 -08 25 31.3 L Y28
2011-04-15 01:52:02 C 09 42 04.60 -08 25 33.1 L Y28
2011-04-19 20:51:58 C 09 32 55.39 -09 58 06.9 u A27
2011-04-19 21:00:52 C 09 32 54.76 -09 58 13.3 u A27
2011-04-19 21:13:25 C 09 32 53.88 -09 58 22.7 u A27
2011-04-19 21:18:32 C 09 32 53.49 -09 58 26.3 u A27
2011-04-19 21:25:23 C 09 32 53.01 -09 58 32.1 u A27
2011-05-03 11:20:22 C 09 20 08.15 -13 31 06.8 r E12
2011-05-03 11:36:43 C 09 20 07.80 -13 31 16.4 r E12
2011-05-03 12:09:15 C 09 20 07.18 -13 31 35.0 r E12
2011-05-05 19:20:26 C 09 19 25.42 -14 03 51.8 a 233
2011-05-05 19:25:08 C 09 19 25.37 -14 03 55.0 a 233
2011-05-05 19:30:40 C 09 19 25.26 -14 03 57.9 a 233
2011-05-14 03:21:02 C 09 19 19.59 -15 54 55.6 r 703
2011-05-14 03:30:32 C 09 19 19.63 -15 55 00.6 r 703
2011-05-14 03:39:27 C 09 19 19.59 -15 55 05.0 r 703
2011-05-14 03:48:20 C 09 19 19.66 -15 55 09.7 r 703
2011-10-28 11:49:17 C 11 44 47.97 +31 38 24.1 r 703
2011-10-28 11:55:48 C 11 44 48.62 +31 38 20.8 r 703
2011-10-28 12:02:22 C 11 44 49.30 +31 38 18.1 r 703
2011-10-28 12:09:00 C 11 44 50.02 +31 38 14.7 r 703
2011-11-16 12:15:52 C 12 29 25.26 +26 49 15.2 r 703
2011-11-16 12:22:22 C 12 29 25.83 +26 49 10.0 r 703
2011-11-16 12:29:08 C 12 29 26.41 +26 49 05.5 r 703
2011-11-16 12:35:45 C 12 29 27.02 +26 49 01.0 r 703
2011-12-24 10:51:16 C 13 40 22.83 +15 29 40.8 r 703
2011-12-24 11:04:25 C 13 40 23.70 +15 29 31.1 r 703
2011-12-24 11:17:42 C 13 40 24.49 +15 29 21.5 r 703
2011-12-24 11:30:51 C 13 40 25.39 +15 29 11.3 r 703
2012-01-04 11:18:04 C 13 56 47.58 +12 13 09.1 r 703
2012-01-04 11:31:15 C 13 56 48.30 +12 12 59.4 r 703
2012-01-04 11:44:20 C 13 56 49.02 +12 12 49.8 r 703
2012-01-04 11:57:31 C 13 56 49.77 +12 12 39.7 r 703
2012-01-21 11:10:07 C 14 17 39.72 +07 01 53.0 17.0 c 704
2012-01-21 11:28:39 C 14 17 40.47 +07 01 38.4 17.5 c 704
2012-01-21 11:47:07 C 14 17 41.22 +07 01 23.8 17.2 c 704
2012-01-21 12:05:43 C 14 17 41.97 +07 01 09.2 17.3 c 704
2012-01-21 12:24:14 C 14 17 42.71 +07 00 54.4 17.3 c 704
2012-01-25 02:26:00 C 14 21 14.46 +05 51 50.3 o C41
2012-01-25 02:29:30 C 14 21 14.60 +05 51 47.3 o C41
2012-01-25 02:33:01 C 14 21 14.74 +05 51 44.1 o C41
2012-01-26 02:24:42 C 14 22 09.81 +05 32 15.9 c A24
2012-01-26 02:25:45 C 14 22 09.83 +05 32 15.1 c A24
2012-01-26 03:16:26 C 14 22 11.63 +05 31 33.8 c A24
2012-01-26 03:17:28 C 14 22 11.67 +05 31 32.7 c A24
2012-01-30 03:18:12 C 14 25 32.82 +04 11 13.6 u 557
2012-01-30 04:22:54 C 14 25 34.73 +04 10 18.5 u 557
2012-01-30 05:27:38 C 14 25 36.61 +04 09 23.4 u 557
2012-02-18 00:15:33 C 14 32 24.85 -03 14 21.6 r 585
2012-02-18 00:23:36 C 14 32 24.76 -03 14 30.7 r 585