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
2012-02-18 00:39:42 C 14 32 24.62 -03 14 49.7 r 585
2012-02-18 00:43:43 C 14 32 24.57 -03 14 54.0 r 585
2012-02-19 02:04:54 C 14 32 12.03 -03 44 45.7 c J93
2012-02-19 02:13:29 C 14 32 11.91 -03 44 55.9 c J93
2012-02-19 02:22:05 C 14 32 11.78 -03 45 05.9 c J93
2012-02-21 01:30:59 C 14 31 34.50 -04 42 35.3 u 557
2012-02-21 02:03:52 C 14 31 33.85 -04 43 16.3 u 557
2012-02-21 02:32:10 C 14 31 33.28 -04 43 51.6 u 557
2012-02-21 03:04:32 C 14 31 32.63 -04 44 32.0 u 557
2012-02-21 03:32:50 C 14 31 32.05 -04 45 07.3 u 557
2012-02-21 04:01:10 C 14 31 31.47 -04 45 42.8 u 557
2012-02-23 04:07:10 C 14 30 32.84 -05 47 17.3 c A24
2012-02-23 04:08:12 C 14 30 32.80 -05 47 18.7 c A24
2012-02-23 05:01:08 C 14 30 31.32 -05 48 28.3 c A24
2012-02-23 11:36:44 C 14 30 21.88 -05 57 06.0 r 703
2012-02-23 11:46:31 C 14 30 21.60 -05 57 19.1 r 703
2012-02-23 11:56:17 C 14 30 21.31 -05 57 31.8 r 703
2012-02-23 12:06:10 C 14 30 20.98 -05 57 44.7 r 703
2012-02-25 02:41:02 C 14 29 15.71 -06 49 52.0 c A24
2012-02-25 02:42:04 C 14 29 15.66 -06 49 53.2 c A24
2012-02-25 10:57:10 C 14 28 59.56 -07 01 14.3 15.8 c 704
2012-02-25 11:14:30 C 14 28 58.90 -07 01 38.8 16.1 c 704
2012-02-25 11:31:41 C 14 28 58.23 -07 02 03.5 15.9 c 704
2012-02-25 11:49:07 C 14 28 57.55 -07 02 27.2 16.1 c 704
2012-02-25 12:06:46 C 14 28 56.90 -07 02 51.5 16.1 c 704
2012-03-01 09:25:12 C 14 23 46.94 -09 56 44.7 15.6 c 704
2012-03-01 09:41:57 C 14 23 45.90 -09 57 11.6 15.7 c 704
2012-03-01 09:58:43 C 14 23 44.88 -09 57 38.2 15.8 c 704
2012-03-01 10:16:07 C 14 23 43.82 -09 58 05.7 15.5 c 704
2012-03-01 10:33:28 C 14 23 42.75 -09 58 33.4 15.6 c 704
2012-03-03 08:27:30 C 14 20 54.36 -11 12 59.9 u H45
2012-03-03 08:29:17 C 14 20 54.22 -11 13 02.9 u H45
2012-03-03 08:30:52 C 14 20 54.11 -11 13 05.5 u H45
2012-03-03 08:32:54 C 14 20 53.97 -11 13 09.0 u H45
2012-03-03 08:34:33 C 14 20 53.84 -11 13 11.7 u H45
2012-03-05 11:42:59 C 14 17 09.93 -12 40 37.8 c H10
2012-03-13 10:38:13 C 13 56 43.70 -18 50 45.3 o 691
2012-03-13 11:03:46 C 13 56 39.98 -18 51 39.1 o 691
2012-03-13 11:29:21 C 13 56 36.26 -18 52 32.8 o 691
2012-03-15 08:59:36 C 13 49 55.66 -20 30 16.3 r 703
2012-03-15 09:06:58 C 13 49 54.48 -20 30 31.9 r 703
2012-03-15 09:14:17 C 13 49 53.29 -20 30 48.0 r 703
2012-03-15 09:21:40 C 13 49 52.10 -20 31 04.1 r 703
2012-03-15 12:27:06 C 13 49 23.063 -20 37 44.98 L F51
2012-03-15 12:41:28 C 13 49 20.685 -20 38 16.42 L F51
2012-03-15 12:56:49 C 13 49 18.144 -20 38 50.00 L F51
2012-03-15 13:12:02 C 13 49 15.615 -20 39 23.21 L F51
2012-04-02 13:32:27 C 12 03 50.302 -35 41 32.95 r E12
2012-04-02 13:46:13 C 12 03 45.855 -35 41 53.72 r E12
2012-04-02 14:00:48 C 12 03 41.153 -35 42 15.62 r E12