21691 1999 RC42

Main-belt minor planet

Designation: (21691) 1999 RC42
Class: Main-belt
Semi-major axis: 2.4303372 AU
Eccentricity: 0.0828334
Inclination: 4.81902°
Absolute magnitude (H): 14.12
Perihelion: 2.229 AU
Aphelion: 2.632 AU