2013 SD21
Explore asteroids, comets and near-Earth objects with JPL orbital data.
Apollo
Observations: 31
Orbital Parameters
Semi-Major Axis
2.255 AU
Eccentricity
0.5552
Perihelion
1.003 AU
Aphelion
3.506976 AU
Inclination
7.87°
Orbital Period
— yr
Epoch
2456563.5
Mean Anomaly
352.9°
Physical Parameters
Diameter
— km
Albedo
—
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
25.3
Orbit Quality
RMS
0.32452
Condition
8
Orbit ID
—