138403 2000 HM21

Main-belt minor planet

Designation: (138403) 2000 HM21
Class: Main-belt
Semi-major axis: 2.6106694 AU
Eccentricity: 0.144244
Inclination: 8.28617°
Absolute magnitude (H): 15.65
Perihelion: 2.234 AU
Aphelion: 2.987 AU