553450 2011 QQ21

Main-belt minor planet

Designation: (553450) 2011 QQ21
Class: Main-belt
Semi-major axis: 2.3449728 AU
Eccentricity: 0.1817919
Inclination: 6.21726°
Absolute magnitude (H): 18.36
Perihelion: 1.919 AU
Aphelion: 2.771 AU