2011 OW4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7178433000
Semi-major axis (a)1.9436713000 AU
Inclination (i)11.55181000°
Long. of Asc. Node (Ω)254.01954000°
Arg. of Perihelion (ω)163.67442000°
Mean Anomaly (M)77.24262000°
Mean Motion (n)0.3637222200°/day
Perihelion dist (q)0.54841990 AU
Aphelion dist (Q)3.33892270 AU
Orbital Period2.70978120 yr
Physical Parameters
H (abs. magnitude)20.60
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.300″
Uncertainty6
Orbit TypeApollo
MOID0.189147 AU
Observations Used53
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-08-17
Observations (53)
Date Type RA Dec Mag Band Observatory
2011-08-17 01:58:42 C 15 02 37.11 +74 42 32.9 o H21
2011-08-17 02:06:47 C 15 02 17.86 +74 42 23.3 o H21
2011-08-17 02:14:52 C 15 01 58.54 +74 42 14.0 o H21