2011 OC57

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4526335000
Semi-major axis (a)2.1212695000 AU
Inclination (i)6.48990000°
Long. of Asc. Node (Ω)315.83406000°
Arg. of Perihelion (ω)0.83592000°
Mean Anomaly (M)224.09368000°
Mean Motion (n)0.3190144100°/day
Perihelion dist (q)1.16111190 AU
Aphelion dist (Q)3.08142710 AU
Orbital Period3.08953960 yr
Physical Parameters
H (abs. magnitude)24.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.160″
Uncertainty6
Orbit TypeAmor
MOID0.145421 AU
Observations Used9
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-08-26
Observations (9)
Date Type RA Dec Mag Band Observatory
2011-07-26 10:42:55 C 21 38 02.984 -23 36 56.40 L F51
2011-07-26 11:22:35 C 21 38 06.574 -23 35 24.92 L F51
2011-07-26 11:42:27 C 21 38 08.333 -23 34 38.81 L F51
2011-08-24 08:35:09 C 22 31 55.810 +04 19 19.83 L F51
2011-08-24 08:51:50 C 22 31 56.441 +04 19 51.27 L F51
2011-08-24 09:06:40 C 22 31 56.974 +04 20 18.55 L F51
2011-08-26 07:42:16 C 22 34 07.86 +05 43 24.2 t H21
2011-08-26 07:52:23 C 22 34 08.26 +05 43 41.5 t H21
2011-08-26 08:01:43 C 22 34 08.55 +05 43 57.7 t H21