2011 AO4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3400291955
Semi-major axis (a)1.6783537715 AU
Inclination (i)31.81838027°
Long. of Asc. Node (Ω)93.39220837°
Arg. of Perihelion (ω)332.87785745° ± 4.88e-03
Mean Anomaly (M)315.59608167°
Mean Motion (n)0.4532668500°/day
Perihelion dist (q)1.10766160 AU
Aphelion dist (Q)2.24917400 AU
Orbital Period2.17445350 yr
Physical Parameters
H (abs. magnitude)21.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.333″
Uncertainty
Orbit TypeAmor
MOID0.151241 AU
Observations Used34
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-01-13
Observations (35)
Date Type RA Dec Mag Band Observatory
2011-01-05 02:23:10 C 02 51 50.11 +14 58 12.4 r G96
2011-01-05 02:30:40 C 02 51 50.11 +14 58 55.1 r G96
2011-01-05 02:38:00 C 02 51 50.07 +14 59 36.8 r G96
2011-01-05 02:45:31 C 02 51 50.07 +15 00 19.7 r G96
2011-01-05 03:45:31 C 02 51 49.93 +15 06 01.1 r G96
2011-01-05 03:46:47 C 02 51 49.96 +15 06 08.0 r G96
2011-01-05 03:48:08 C 02 51 49.96 +15 06 15.3 r G96
2011-01-05 03:49:28 C 02 51 49.96 +15 06 23.0 r G96
2011-01-05 06:29:00 C 02 51 49.93 +15 21 25.0 r G96
2011-01-05 06:30:02 C 02 51 49.89 +15 21 30.7 r G96
2011-01-05 06:31:02 C 02 51 49.89 +15 21 36.2 r G96
2011-01-05 06:32:03 C 02 51 49.93 +15 21 42.5 r G96
2011-01-05 06:48:48 C 02 51 49.88 +15 23 15.7 o H01
2011-01-05 06:59:30 C 02 51 49.90 +15 24 15.7 o H01
2011-01-05 07:54:51 C 02 51 50.14 +15 29 27.0 o H01
2011-01-05 10:04:01 C 02 51 51.13 +15 41 44.3 o F65
2011-01-05 10:06:36 C 02 51 51.15 +15 41 58.9 o F65
2011-01-06 04:34:07 C 02 52 02.19 +17 24 27.1 o H01
2011-01-06 04:43:26 C 02 52 02.22 +17 25 17.9 o H01
2011-01-06 04:51:51 C 02 52 02.24 +17 26 04.2 o H01
2011-01-06 05:04:48 C 02 52 02.27 +17 27 14.8 o H01
2011-01-08 11:51:46 C 02 52 49.44 +22 14 46.8 o 300
2011-01-08 12:02:19 C 02 52 49.44 +22 15 39.0 o 300
2011-01-08 12:12:54 C 02 52 49.61 +22 16 32.4 o 300
2011-01-08 12:23:31 C 02 52 49.70 +22 17 25.6 o 300
2011-01-09 01:57:23 C 02 53 05.76 +23 24 38.9 o H21
2011-01-09 02:04:00 C 02 53 05.84 +23 25 11.6 o H21
2011-01-09 02:07:55 C 02 53 05.89 +23 25 31.1 o H21
2011-01-09 02:14:13 C 02 53 05.98 +23 26 02.0 o H21
2011-01-12 00:09:28 C 02 54 48.93 +28 48 04.5 o J04
2011-01-12 00:17:02 C 02 54 49.06 +28 48 37.1 o J04
2011-01-12 00:24:41 C 02 54 49.23 +28 49 09.9 o J04
2011-01-13 00:07:33 C 02 55 33.94 +30 29 18.1 o J04
2011-01-13 00:17:40 C 02 55 34.24 +30 29 59.3 o J04
2011-01-13 00:27:50 C 02 55 34.46 +30 30 43.5 o J04