21080 1991 RD18

Main-belt minor planet

Designation: (21080) 1991 RD18
Class: Main-belt
Semi-major axis: 2.4453427 AU
Eccentricity: 0.0467871
Inclination: 3.88768°
Absolute magnitude (H): 14.49
Perihelion: 2.331 AU
Aphelion: 2.560 AU