66957 1999 XO21

Main-belt minor planet

Designation: (66957) 1999 XO21
Class: Main-belt
Semi-major axis: 2.7439982 AU
Eccentricity: 0.1444499
Inclination: 6.61281°
Absolute magnitude (H): 15.25
Perihelion: 2.348 AU
Aphelion: 3.140 AU