2021 HD18

Outer belt minor planet

Designation: 2021 HD18
Class: Outer belt
Semi-major axis: 3.2145103 AU
Eccentricity: 0.0587226
Inclination: 32.10984°
Absolute magnitude (H): 17.12
Perihelion: 3.026 AU
Aphelion: 3.403 AU