2021 SD21

Main-belt minor planet

Designation: 2021 SD21
Class: Main-belt
Semi-major axis: 2.5304717 AU
Eccentricity: 0.1545029
Inclination: 12.57169°
Absolute magnitude (H): 18.6
Perihelion: 2.140 AU
Aphelion: 2.921 AU