2011 AN4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5328093000
Semi-major axis (a)1.9758909000 AU
Inclination (i)7.55379000°
Long. of Asc. Node (Ω)283.98081000°
Arg. of Perihelion (ω)220.51258000°
Mean Anomaly (M)116.38266000°
Mean Motion (n)0.3548621200°/day
Perihelion dist (q)0.92311790 AU
Aphelion dist (Q)3.02866390 AU
Orbital Period2.77743840 yr
Physical Parameters
H (abs. magnitude)26.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.280″
Uncertainty6
Orbit TypeApollo
MOID0.011314 AU
Observations Used29
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-01-09
Observations (29)
Date Type RA Dec Mag Band Observatory
2011-01-05 05:57:33 C 05 18 04.42 +25 18 28.7 r G96
2011-01-05 06:05:01 C 05 18 05.50 +25 17 04.7 r G96
2011-01-05 06:12:30 C 05 18 06.62 +25 15 40.7 r G96
2011-01-05 06:20:05 C 05 18 07.77 +25 14 16.0 r G96
2011-01-05 07:15:37 C 05 18 16.12 +25 03 44.6 r G96
2011-01-05 07:16:27 C 05 18 16.27 +25 03 34.8 r G96
2011-01-05 07:17:17 C 05 18 16.41 +25 03 24.9 r G96
2011-01-05 08:02:49 C 05 18 22.96 +24 54 25.6 o H01
2011-01-05 08:12:52 C 05 18 24.66 +24 52 27.4 o H01
2011-01-05 08:25:35 C 05 18 26.86 +24 49 57.4 o H01
2011-01-05 08:38:47 C 05 18 29.17 +24 47 21.1 o H01
2011-01-05 10:22:11 C 05 18 57.93 +24 28 38.0 o F65
2011-01-05 10:24:23 C 05 18 58.27 +24 28 11.6 o F65
2011-01-06 05:44:50 C 05 24 15.51 +19 58 50.9 o H01
2011-01-06 05:54:35 C 05 24 17.63 +19 56 12.7 o H01
2011-01-06 06:06:32 C 05 24 20.23 +19 52 57.6 o H01
2011-01-06 06:16:24 C 05 24 22.38 +19 50 16.4 o H01
2011-01-08 12:43:35 C 05 50 34.57 -05 20 43.5 o 474
2011-01-08 12:45:55 C 05 50 36.06 -05 22 26.4 o 474
2011-01-08 12:46:54 C 05 50 36.69 -05 23 10.4 o 474
2011-01-08 12:48:24 C 05 50 37.66 -05 24 17.3 o 474
2011-01-08 12:49:14 C 05 50 38.21 -05 24 54.3 o 474
2011-01-08 23:01:39 C 05 59 24.68 -13 54 34.1 u J95
2011-01-08 23:07:16 C 05 59 29.36 -13 59 29.6 u J95
2011-01-08 23:28:34 C 05 59 47.13 -14 18 12.4 u J95
2011-01-08 23:32:15 C 05 59 50.18 -14 21 26.1 u J95
2011-01-09 05:49:55 C 06 06 11.25 -20 07 41.8 o H21
2011-01-09 05:55:52 C 06 06 16.89 -20 13 22.1 o H21
2011-01-09 05:57:11 C 06 06 18.14 -20 14 38.3 o H21