1999 YD21

Main-belt minor planet

Designation: 1999 YD21
Class: Main-belt
Semi-major axis: 2.77357 AU
Eccentricity: 0.0779263
Inclination: 9.51327°
Absolute magnitude (H): 18.22
Perihelion: 2.557 AU
Aphelion: 2.990 AU