21988 1999 XQ20

Main-belt minor planet

Designation: (21988) 1999 XQ20
Class: Main-belt
Semi-major axis: 2.9706581 AU
Eccentricity: 0.0652958
Inclination: 10.87771°
Absolute magnitude (H): 14.32
Perihelion: 2.777 AU
Aphelion: 3.165 AU