21767 1999 RB209

Main-belt minor planet

Designation: (21767) 1999 RB209
Class: Main-belt
Semi-major axis: 3.1555707 AU
Eccentricity: 0.1581886
Inclination: 7.60178°
Absolute magnitude (H): 13.8
Perihelion: 2.656 AU
Aphelion: 3.655 AU