16831 1997 WM21

Main-belt minor planet

Designation: (16831) 1997 WM21
Class: Main-belt
Semi-major axis: 2.2441145 AU
Eccentricity: 0.1469975
Inclination: 5.6453°
Absolute magnitude (H): 14.06
Perihelion: 1.914 AU
Aphelion: 2.574 AU