2009 HJ21
Explore asteroids, comets and near-Earth objects with JPL orbital data.
Apollo
Observations: 19
Orbital Parameters
Semi-Major Axis
1.634 AU
Eccentricity
0.6476
Perihelion
0.576 AU
Aphelion
2.692178 AU
Inclination
3.13°
Orbital Period
— yr
Epoch
2454943.5
Mean Anomaly
335.8°
Physical Parameters
Diameter
— km
Albedo
—
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
27.5
Orbit Quality
RMS
0.30484
Condition
8
Orbit ID
—