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
2008-12-21 18:07:50 C 18 01 31.81 +43 32 26.0 g 168
2008-12-21 18:09:40 C 18 01 31.79 +43 32 29.2 g 168
2008-12-30 17:22:52 C 17 57 38.72 +50 02 56.6 o A32
2008-12-30 17:33:18 C 17 57 38.53 +50 03 14.5 o A32
2008-12-30 17:43:43 C 17 57 38.32 +50 03 32.4 o A32
2009-01-01 15:50:48 C 17 56 42.41 +51 24 33.9 16.0 o 084
2009-01-02 15:42:10 C 17 56 12.29 +52 06 26.0 15.9 o 084
2009-01-02 15:45:23 C 17 56 12.19 +52 06 31.6 15.9 o 084
2009-01-09 16:20:43 C 17 52 02.54 +57 06 34.4 16.0 o C20
2009-01-16 16:05:46 C 17 45 54.76 +62 24 40.9 15.9 o 084
2009-01-19 00:49:09 C 17 43 01.75 +64 19 35.0 15.4 o C20
2009-01-19 00:51:15 C 17 43 01.59 +64 19 39.0 15.3 o C20
2009-01-22 16:56:54 C 17 36 46.47 +67 26 41.4 15.6 o C20
2009-01-22 16:59:01 C 17 36 46.29 +67 26 46.6 15.6 o C20
2009-01-23 16:25:10 C 17 34 39.31 +68 18 34.1 15.5 o C20
2009-01-23 17:40:43 C 17 34 33.10 +68 21 20.4 15.6 o C20
2009-01-24 15:45:22 C 17 32 17.39 +69 10 59.1 15.5 o C20
2009-01-24 15:47:28 C 17 32 17.21 +69 11 03.8 15.5 o C20
2009-01-25 02:15:20 C 17 31 13.67 +69 34 58.1 c J52
2009-01-25 02:19:01 C 17 31 13.28 +69 35 06.8 c J52
2009-01-25 02:22:56 C 17 31 12.82 +69 35 15.9 c J52
2009-01-25 16:37:11 C 17 29 27.32 +70 07 40.5 15.6 o C20
2009-01-25 16:39:19 C 17 29 27.10 +70 07 45.2 15.6 o C20
2009-01-31 16:43:49 C 17 01 37.25 +75 52 12.3 15.4 o 084
2009-01-31 16:47:02 C 17 01 36.44 +75 52 19.8 15.3 o 084
2009-02-03 17:04:42 C 16 32 56.75 +78 48 53.9 15.5 o 084
2009-02-03 17:07:55 C 16 32 55.16 +78 49 01.7 15.5 o 084
2009-02-04 00:38:26 C 16 28 57.71 +79 07 17.1 15.4 o 084
2009-02-04 20:44:38 C 16 16 46.30 +79 54 29.1 15.7 o 084
2009-02-04 20:47:50 C 16 16 44.18 +79 54 36.8 15.6 o 084
2009-02-19 16:36:31 C 08 54 28.34 +76 55 54.7 15.6 o 084
2009-02-19 19:30:06 C 08 53 08.66 +76 47 04.8 15.4 o 084
2009-02-25 17:43:05 C 08 15 20.34 +69 02 05.0 15.5 o 084
2009-02-25 17:45:19 C 08 15 19.99 +69 01 57.6 15.5 o 084
2009-02-26 03:17:19 C 08 13 53.62 +68 29 39.8 15.4 o 084
2009-02-26 03:19:31 C 08 13 53.32 +68 29 32.1 15.5 o 084
2009-02-27 21:49:57 C 08 08 46.63 +66 06 49.4 c A24
2009-02-27 21:51:23 C 08 08 46.49 +66 06 45.3 c A24
2009-02-27 22:11:10 C 08 08 44.21 +66 05 37.9 c A24
2009-02-27 22:32:23 C 08 08 41.79 +66 04 26.2 c A24
2009-02-27 22:52:09 C 08 08 39.50 +66 03 18.8 c A24
2009-02-27 22:53:37 C 08 08 39.34 +66 03 14.2 c A24
2009-02-28 21:41:17 C 08 06 30.42 +64 46 39.5 c A41
2009-02-28 22:06:36 C 08 06 27.96 +64 45 14.0 c A41
2009-02-28 22:31:34 C 08 06 25.49 +64 43 49.4 c A41
2009-03-01 23:26:52 C 08 04 27.51 +63 20 21.9 o J93
2009-03-01 23:30:55 C 08 04 27.19 +63 20 09.3 o J93
2009-03-01 23:34:59 C 08 04 26.83 +63 19 55.1 o J93
2009-03-06 18:23:48 C 07 59 06.86 +57 03 25.8 15.5 o 084
2009-03-07 17:38:43 C 07 58 35.10 +55 49 23.9 15.5 o 084