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
2009-03-07 17:40:56 C 07 58 35.07 +55 49 15.9 15.5 o 084
2009-03-14 23:26:26 C 07 58 11.68 +47 07 30.7 16.2 o 084
2009-03-14 23:28:38 C 07 58 11.65 +47 07 24.2 16.3 o 084
2009-03-15 23:26:30 C 07 58 30.94 +46 00 17.6 15.7 r 084
2009-03-15 23:28:42 C 07 58 30.98 +46 00 11.4 15.7 r 084
2009-03-16 02:41:35 C 07 58 34.04 +45 51 10.4 15.6 r 084
2009-03-16 02:43:47 C 07 58 34.03 +45 51 04.6 15.8 o 084
2009-03-16 18:28:28 C 07 58 50.06 +45 07 58.9 15.6 r 084
2009-03-16 20:15:08 C 07 58 51.77 +45 03 13.1 c A24
2009-03-16 20:16:34 C 07 58 51.77 +45 03 09.3 c A24
2009-03-16 20:54:14 C 07 58 52.22 +45 01 25.9 c A24
2009-03-16 21:33:20 C 07 58 52.66 +44 59 38.6 c A24
2009-03-16 22:11:00 C 07 58 53.11 +44 57 55.0 c A24
2009-03-16 22:12:26 C 07 58 53.13 +44 57 51.0 c A24
2009-03-17 20:20:00 C 07 59 18.48 +43 58 04.9 c 127
2009-03-17 20:24:31 C 07 59 18.55 +43 57 52.7 c 127
2009-03-17 20:28:45 C 07 59 18.59 +43 57 41.0 c 127
2009-03-17 20:33:31 C 07 59 18.67 +43 57 28.3 c 127
2009-03-17 20:38:59 C 07 59 18.75 +43 57 13.8 c 127
2009-03-18 19:34:50 C 07 59 47.80 +42 56 25.6 c 127
2009-03-18 19:38:59 C 07 59 47.88 +42 56 14.9 c 127
2009-03-18 19:43:09 C 07 59 47.96 +42 56 03.4 c 127
2009-03-18 19:47:58 C 07 59 48.05 +42 55 51.0 c 127
2009-03-18 19:52:14 C 07 59 48.11 +42 55 40.0 c 127
2009-03-20 20:23:37 C 08 00 58.72 +40 50 49.6 c 458
2009-03-20 20:27:58 C 08 00 58.82 +40 50 38.5 c 458
2009-03-21 19:58:45 C 08 01 36.92 +39 51 48.6 16.0 r 084
2009-03-23 05:03:27 C 08 02 35.26 +38 31 22.3 r 703
2009-03-23 05:12:09 C 08 02 35.52 +38 31 01.0 r 703
2009-03-23 05:20:57 C 08 02 35.70 +38 30 40.1 r 703
2009-03-23 05:29:42 C 08 02 35.95 +38 30 18.5 r 703
2009-03-24 19:10:36 C 08 03 49.24 +37 01 16.6 v 434
2009-03-24 19:13:43 C 08 03 49.30 +37 01 09.3 v 434
2009-03-24 19:15:52 C 08 03 49.34 +37 01 04.7 v 434
2009-03-24 19:18:46 C 08 03 49.45 +37 00 57.7 v 434
2009-03-24 19:20:12 C 08 03 49.50 +37 00 54.4 v 434
2009-03-24 21:56:38 C 08 03 54.03 +36 54 44.2 15.8 o 084
2009-03-26 21:53:57 C 08 05 34.83 +35 05 55.9 16.0 r 084
2009-03-26 21:56:10 C 08 05 34.90 +35 05 50.8 16.1 r 084
2009-04-01 19:06:53 C 08 11 15.33 +30 11 10.9 16.4 r 084
2009-04-01 22:15:05 C 08 11 23.20 +30 04 59.8 16.4 r 084
2009-04-06 20:38:34 C 08 16 48.75 +26 25 09.9 v B75
2009-04-06 20:39:59 C 08 16 48.79 +26 25 08.0 v B75
2009-04-06 20:41:08 C 08 16 48.92 +26 25 05.7 v B75
2009-04-07 18:33:52 C 08 17 52.37 +25 46 45.9 16.9 r 084
2009-04-07 22:59:01 C 08 18 04.86 +25 39 04.4 16.9 r 084
2009-04-08 20:03:46 C 08 19 06.94 +25 03 02.3 17.1 o 084
2009-04-08 22:38:33 C 08 19 14.46 +24 58 38.2 16.7 o 084
2009-04-10 12:47:22 C 08 21 08.82 +23 55 11.6 r D29
2009-04-10 13:05:46 C 08 21 09.69 +23 54 41.3 r D29