21987 1999 XH18

Main-belt minor planet

Designation: (21987) 1999 XH18
Class: Main-belt
Semi-major axis: 2.5735181 AU
Eccentricity: 0.2449993
Inclination: 6.97842°
Absolute magnitude (H): 14.79
Perihelion: 1.943 AU
Aphelion: 3.204 AU