121661 1999 XQ21

Main-belt minor planet

Designation: (121661) 1999 XQ21
Class: Main-belt
Semi-major axis: 3.108192 AU
Eccentricity: 0.284452
Inclination: 16.89955°
Absolute magnitude (H): 15.12
Perihelion: 2.224 AU
Aphelion: 3.992 AU