2021 HD4

Main-belt minor planet

Designation: 2021 HD4
Class: Main-belt
Semi-major axis: 2.2083948 AU
Eccentricity: 0.198897
Inclination: 23.87202°
Absolute magnitude (H): 18.79
Perihelion: 1.769 AU
Aphelion: 2.648 AU