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
1986-03-04 07:58:45 A 12 19 22.48 +28 01 41.5 14.0 675
1986-03-05 08:15:59 A 12 12 43.96 +27 37 58.7 675
1986-03-08 05:34:29 A 11 53 26.90 +26 18 13.0 675
1986-03-08 10:54:07 A 11 51 54.47 +26 11 21.6 675
1986-03-09 09:05:44 A 11 45 41.57 +25 41 47.0 675
1986-03-09 09:27:59 A 11 45 35.21 +25 41 16.2 675
1986-03-11 16:57:00 11 30 07.38 +24 20 21.5 323
1986-03-12 08:28:28 A 11 25 50.04 +23 55 11.3 A 801
1986-03-12 08:39:25 A 11 25 46.92 +23 54 52.6 A 801
1986-03-13 05:26:06 A 11 20 09.94 +23 20 59.4 C 657
1986-03-15 06:09:37 A 11 07 13.27 +21 57 23.3 C 657
1986-03-20 06:05:56 A 10 38 03.88 +18 15 16.1 A 801
1986-03-20 06:32:04 A 10 37 58.07 +18 14 25.1 A 801
1986-03-21 06:03:17 A 10 32 49.85 +17 29 37.5 675
1986-03-21 06:09:24 A 10 32 48.50 +17 29 26.0 675
1986-03-22 09:35:29 A 10 27 00.70 +16 37 02.9 675
1986-03-22 09:43:30 A 10 26 58.99 +16 36 47.4 675
1986-03-28 19:59:00 A 09 59 36.06 +11 51 03.3 15.5 552
1986-03-28 20:28:00 A 09 59 31.50 +11 50 11.1 552
1986-03-31 20:36:11 A 09 49 31.55 +09 46 13.8 046
1986-03-31 20:48:32 A 09 49 29.76 +09 45 51.3 046
1986-04-01 19:49:31 A 09 46 40.16 +09 08 02.8 046
1986-04-01 19:57:51 A 09 46 39.14 +09 07 49.1 046
1986-04-02 19:18:27 A 09 43 56.64 +08 30 17.0 046
1986-04-02 19:26:36 A 09 43 55.59 +08 30 03.4 046
1986-04-02 20:28:59 A 09 43 48.40 +08 28 24.5 16.0 552
1986-04-02 21:22:59 A 09 43 41.76 +08 26 57.0 552
1986-04-03 06:44:44 A 09 42 39.23 +08 12 17.7 675
1986-04-03 07:35:49 A 09 42 33.36 +08 10 56.5 675
1986-04-04 02:10:20 A 09 40 35.63 +07 41 59.4 A 801
1986-04-04 04:09:29 A 09 40 23.50 +07 39 00.1 675
1986-04-04 05:00:29 A 09 40 17.99 +07 37 40.7 675
1986-04-05 04:45:59 A 09 37 55.90 +07 01 35.9 675
1986-04-05 04:50:59 A 09 37 55.38 +07 01 28.5 675
1986-04-07 09:31:00 A 09 33 11.64 +05 44 41.6 568
1986-04-08 05:08:36 A 09 31 37.61 +05 17 04.3 675
1986-04-08 05:18:54 A 09 31 36.76 +05 16 49.8 675
1986-04-08 20:02:50 A 09 30 29.65 +04 56 23.7 054
1986-04-14 04:19:56 A 09 22 43.65 +02 12 20.1 B 691
1986-04-14 04:38:21 A 09 22 42.68 +02 11 58.2 B 691
1986-04-14 04:49:12 A 09 22 42.11 +02 11 45.2 B 691
1986-04-15 05:54:33 A 09 21 33.74 +01 42 07.6 B 691
1986-04-15 06:08:28 A 09 21 33.08 +01 41 51.4 B 691
1986-04-15 06:17:22 A 09 21 32.68 +01 41 40.8 B 691
1986-04-26 07:00:00 A 09 15 27.43 -02 52 19.4 568
1986-05-01 06:08:00 A 09 15 25.90 -04 37 59.5 568
1986-05-05 04:57:29 A 09 16 18.28 -05 56 40.6 675
1986-05-06 04:41:14 A 09 16 38.29 -06 15 44.8 675
1986-05-14 03:19:59 A 09 20 39.97 -08 42 03.0 B 691
1986-05-14 03:30:21 A 09 20 40.23 -08 42 10.6 B 691