21740 1999 RR159

Main-belt minor planet

Designation: (21740) 1999 RR159
Class: Main-belt
Semi-major axis: 2.6661428 AU
Eccentricity: 0.1967094
Inclination: 11.92382°
Absolute magnitude (H): 14.8
Perihelion: 2.142 AU
Aphelion: 3.191 AU