21870 1999 UD1

Main-belt minor planet

Designation: (21870) 1999 UD1
Class: Main-belt
Semi-major axis: 2.2996581 AU
Eccentricity: 0.1332752
Inclination: 6.61224°
Absolute magnitude (H): 14.88
Perihelion: 1.993 AU
Aphelion: 2.606 AU