639747 2017 QQ21

Main-belt minor planet

Designation: (639747) 2017 QQ21
Class: Main-belt
Semi-major axis: 2.8018866 AU
Eccentricity: 0.154848
Inclination: 9.69484°
Absolute magnitude (H): 16.86
Perihelion: 2.368 AU
Aphelion: 3.236 AU