640149 1999 KN21

Main-belt minor planet

Designation: (640149) 1999 KN21
Class: Main-belt
Semi-major axis: 2.64191 AU
Eccentricity: 0.207174
Inclination: 13.46053°
Absolute magnitude (H): 17.21
Perihelion: 2.095 AU
Aphelion: 3.189 AU