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
2016-01-29 11:58:55 C 15 40 42.80 -24 53 08.2 R G45
2016-04-25 02:25:49 C 23 21 38.77 -36 21 52.2 o K95
2016-04-25 02:37:32 C 23 21 41.46 -36 21 33.3 o K95
2016-04-25 02:49:23 C 23 21 44.22 -36 21 14.7 o K95
2016-05-14 03:10:11 C 00 51 35.57 -21 40 06.6 o K95
2016-05-14 03:11:52 C 00 51 35.93 -21 40 03.7 o K95
2016-05-14 03:17:01 C 00 51 36.74 -21 39 52.8 o K95
2016-05-14 03:22:07 C 00 51 37.66 -21 39 42.1 o K95
2016-05-17 03:26:28 C 01 03 38.90 -19 03 12.5 o K95
2016-05-17 03:31:35 C 01 03 39.74 -19 03 00.4 o K95
2016-05-17 03:36:44 C 01 03 40.58 -19 02 49.7 o K95
2017-03-28 08:19:24 C 21 07 04.50 -40 09 10.0 o W92
2017-03-28 08:31:24 C 21 07 07.60 -40 09 02.8 o W92
2017-03-28 08:47:24 C 21 07 11.70 -40 08 52.1 o W92
2017-04-29 03:51:14 C 23 58 20.15 -22 39 34.0 o K95
2017-04-29 03:56:45 C 23 58 21.23 -22 39 23.7 o K95
2017-04-29 04:03:31 C 23 58 22.43 -22 39 10.6 o K95
2018-03-25 07:30:44 C 21 28 16.52 -35 14 38.8 q Y00
2018-03-25 07:37:10 C 21 28 18.03 -35 14 33.7 q Y00
2018-03-25 07:43:39 C 21 28 19.57 -35 14 27.8 q Y00
2018-12-19 13:22:03 C 14 42 42.61 -19 43 49.4 U I41
2018-12-19 13:29:11 C 14 42 43.47 -19 43 56.7 U I41
2018-12-19 13:36:19 C 14 42 44.34 -19 44 04.0 U I41
2018-12-19 13:43:27 C 14 42 45.21 -19 44 11.2 U I41
2018-12-20 13:23:47 C 14 45 39.80 -20 08 08.4 U I41
2018-12-20 13:30:43 C 14 45 40.65 -20 08 15.4 U I41
2018-12-20 13:37:39 C 14 45 41.50 -20 08 22.4 U I41