257697 1999 WC21

Main-belt minor planet

Designation: (257697) 1999 WC21
Class: Main-belt
Semi-major axis: 3.1082306 AU
Eccentricity: 0.1240516
Inclination: 1.70774°
Absolute magnitude (H): 16.36
Perihelion: 2.723 AU
Aphelion: 3.494 AU