2011 UD21
Explore asteroids, comets and near-Earth objects with JPL orbital data.
Aten
Observations: 89
Orbital Parameters
Semi-Major Axis
0.9787 AU
Eccentricity
0.0304
Perihelion
0.949 AU
Aphelion
1.008452 AU
Inclination
1.06°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
193.93°
Orbit diagram
The Sun sits at the focus (orange). Earth's orbit is the grey circle at 1 AU. The red dot marks the object's position at the catalog epoch.
Physical Parameters
Diameter
— km
Albedo
—
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
28.5
Orbit Quality
RMS
0.54616
Condition
4
Orbit ID
—