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
1986-05-14 04:02:26 A 09 20 40.98 -08 42 34.0 B 691
1986-06-09 04:22:23 A 09 45 08.73 -16 00 49.4 675
1986-06-09 04:30:00 A 09 45 09.09 -16 00 54.6 675
1986-06-10 04:18:29 A 09 46 18.99 -16 17 13.3 675
1986-06-10 04:28:18 A 09 46 19.44 -16 17 20.2 675
1986-06-17 04:20:09 A 09 54 52.33 -18 12 27.8 C 675
1986-06-17 04:29:09 A 09 54 52.81 -18 12 33.8 C 675
1986-06-17 04:33:40 A 09 54 53.10 -18 12 36.9 C 675
1986-06-18 04:18:45 A 09 56 08.18 -18 28 55.6 C 675
1986-06-18 04:27:14 A 09 56 08.61 -18 29 01.5 C 675
1986-12-02 11:24:00 A 13 12 20.18 +25 49 02.1 B 691
1986-12-02 11:38:51 A 13 12 21.19 +25 48 51.4 B 691
1986-12-02 11:56:26 A 13 12 22.43 +25 48 41.1 B 691
1986-12-21 10:59:36 A 13 42 04.32 +20 50 55.9 675
1986-12-21 11:08:24 A 13 42 04.85 +20 50 50.2 675
1986-12-21 13:30:59 A 13 42 13.02 +20 49 19.7 675
1986-12-21 13:41:00 A 13 42 13.57 +20 49 13.6 675
1986-12-27 12:15:45 A 13 50 25.55 +19 17 47.2 B 691
1986-12-27 12:26:53 A 13 50 26.13 +19 17 40.4 B 691
1986-12-28 10:28:02 A 13 51 38.56 +19 03 38.3 A 801
1987-01-29 09:55:45 A 14 20 54.48 +11 00 12.4 A 801
1987-02-08 10:32:24 A 14 21 55.06 +08 12 41.2 675
1987-02-08 11:09:23 A 14 21 54.59 +08 12 13.9 675
1987-02-09 11:47:36 A 14 21 39.21 +07 53 44.1 675
1987-02-09 12:06:59 A 14 21 38.89 +07 53 29.6 675
1987-02-23 09:32:59 A 14 09 06.58 +03 00 49.5 675
1987-02-23 10:16:30 A 14 09 03.39 +03 00 05.0 675
1987-02-24 09:46:09 A 14 07 21.36 +02 35 22.2 A 801
1987-03-01 11:38:30 A 13 56 21.83 +00 16 25.7 675
1987-03-03 09:38:00 A 13 51 09.78 -00 41 32.1 675
1987-03-29 05:16:33 A 11 38 19.76 -16 58 27.7 A 801
1987-03-31 07:57:06 A 11 24 41.99 -18 04 51.5 657
1987-04-01 07:04:35 A 11 18 35.99 -18 32 47.9 657
1987-04-21 03:41:29 A 09 46 18.41 -23 36 26.8 675
1987-04-22 04:15:29 A 09 43 27.26 -23 43 12.6 675
1987-04-26 00:45:57 A 09 34 09.21 -24 05 45.7 A 801
1987-04-27 00:57:47 A 09 32 03.62 -24 11 05.3 A 801
1988-04-15 10:47:32 A 11 19 45.09 -59 11 38.7 474
1988-04-16 10:16:22 A 11 08 59.37 -59 23 27.1 474
1988-04-16 10:23:18 A 11 08 56.17 -59 23 29.7 474
1989-04-06 17:19:08 A 17 01 53.14 -65 55 08.8 16.7 474
1989-04-06 17:31:09 A 17 01 55.07 -65 55 48.3 474
2003-02-23 18:06:50 C 00 15 14.38 +14 53 20.0 c 587
2003-02-23 18:09:00 C 00 15 14.93 +14 53 24.7 c 587
2003-02-23 18:10:35 C 00 15 15.15 +14 53 28.4 c 587
2003-02-23 18:19:29 C 00 15 16.72 +14 53 45.0 c 587
2003-02-23 18:21:05 C 00 15 17.07 +14 53 47.3 c 587
2003-03-08 17:28:15 C 01 14 04.60 +23 51 26.1 c 084
2003-03-08 17:33:08 C 01 14 05.55 +23 51 33.2 c 084
2003-03-16 18:33:55 C 01 53 12.75 +28 28 32.5 c 587