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
2011-02-11 02:18:00 C 14 09 31.85 +17 48 38.3 r 585
2011-02-15 17:11:25 C 14 02 12.13 +17 00 52.5 m 355
2011-02-15 17:13:31 C 14 02 11.94 +17 00 51.2 m 355
2011-02-15 17:15:35 C 14 02 11.79 +17 00 50.7 m 355
2011-02-15 17:17:38 C 14 02 11.59 +17 00 49.6 m 355
2011-02-15 17:21:47 C 14 02 11.24 +17 00 47.8 m 355
2011-03-01 03:04:39 C 13 22 48.88 +13 48 12.0 r J75
2011-03-01 03:18:50 C 13 22 46.32 +13 48 00.7 r J75
2011-03-01 03:33:00 C 13 22 43.79 +13 47 49.3 r J75
2011-03-02 00:52:56 C 13 18 59.78 +13 30 18.1 r I83
2011-03-02 01:30:00 C 13 18 53.00 +13 29 47.5 r I83
2011-03-02 02:04:37 C 13 18 46.65 +13 29 19.3 r I83
2011-03-02 08:40:07 C 13 17 35.25 +13 23 55.5 14.4 c 704
2011-03-02 08:59:27 C 13 17 31.58 +13 23 38.8 14.7 c 704
2011-03-02 09:18:59 C 13 17 27.88 +13 23 22.3 14.6 c 704
2011-03-02 09:34:18 C 13 17 24.54 +13 23 08.2 u H45
2011-03-02 09:35:35 C 13 17 24.30 +13 23 07.2 u H45
2011-03-02 09:37:38 C 13 17 23.91 +13 23 05.5 u H45
2011-03-02 09:38:53 C 13 17 23.68 +13 23 04.4 u H45
2011-03-02 09:40:09 C 13 17 23.44 +13 23 03.4 u H45
2011-03-03 00:34:21 C 13 14 39.36 +13 10 03.7 r I83
2011-03-03 01:06:50 C 13 14 33.14 +13 09 36.0 r I83
2011-03-03 01:23:37 C 13 14 29.91 +13 09 21.0 r I83
2011-03-04 10:22:58 C 13 08 07.18 +12 39 36.1 r 703
2011-03-04 10:34:56 C 13 08 04.74 +12 39 24.8 r 703
2011-03-04 10:46:50 C 13 08 02.29 +12 39 13.5 r 703
2011-03-04 10:58:53 C 13 07 59.80 +12 39 02.0 r 703
2011-03-07 00:25:03 C 12 55 12.26 +11 37 34.1 u 585
2011-03-07 00:29:05 C 12 55 11.36 +11 37 29.8 u 585
2011-03-07 00:33:08 C 12 55 10.44 +11 37 25.5 u 585
2011-03-07 00:35:09 C 12 55 10.00 +11 37 23.3 u 585
2011-03-07 00:47:15 C 12 55 07.28 +11 37 10.4 u 585
2011-03-07 00:51:18 C 12 55 06.37 +11 37 06.0 u 585
2011-03-07 00:59:23 C 12 55 04.58 +11 36 57.5 u 585
2011-03-07 01:01:24 C 12 55 04.13 +11 36 55.5 u 585
2011-03-07 01:05:26 C 12 55 03.20 +11 36 51.0 u 585
2011-03-07 01:15:31 C 12 55 00.96 +11 36 40.3 u 585
2011-03-07 01:23:37 C 12 54 59.16 +11 36 31.7 u 585
2011-03-07 01:35:43 C 12 54 56.42 +11 36 18.7 u 585
2011-03-07 01:37:43 C 12 54 55.98 +11 36 16.6 u 585
2011-03-07 01:41:46 C 12 54 55.09 +11 36 12.3 u 585
2011-03-07 01:45:50 C 12 54 54.15 +11 36 07.8 u 585
2011-03-07 02:16:09 C 12 54 47.37 +11 35 35.5 u 585
2011-03-07 02:26:14 C 12 54 45.13 +11 35 24.5 u 585
2011-03-07 02:30:18 C 12 54 44.21 +11 35 20.2 u 585
2011-03-07 02:32:19 C 12 54 43.77 +11 35 18.0 u 585
2011-03-07 02:38:23 C 12 54 42.43 +11 35 11.5 u 585
2011-03-07 02:42:25 C 12 54 41.52 +11 35 07.1 u 585
2011-03-07 02:50:29 C 12 54 39.70 +11 34 58.4 u 585
2011-03-07 02:52:30 C 12 54 39.26 +11 34 56.3 u 585