21979 1999 XQ4

Main-belt minor planet

Designation: (21979) 1999 XQ4
Class: Main-belt
Semi-major axis: 2.6443327 AU
Eccentricity: 0.0654927
Inclination: 3.04267°
Absolute magnitude (H): 14.86
Perihelion: 2.471 AU
Aphelion: 2.818 AU