2017 SM21
Explore asteroids, comets and near-Earth objects with JPL orbital data.
Apollo
Observations: 18
Orbital Parameters
Semi-Major Axis
1.58 AU
Eccentricity
0.3748
Perihelion
0.988 AU
Aphelion
2.172184 AU
Inclination
13.76°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
145.88°
Physical Parameters
Diameter
— km
Albedo
—
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
26.33
Orbit Quality
RMS
0.61652
Condition
7
Orbit ID
—