21978 1999 XW3

Main-belt minor planet

Designation: (21978) 1999 XW3
Class: Main-belt
Semi-major axis: 3.119991 AU
Eccentricity: 0.1031428
Inclination: 11.68937°
Absolute magnitude (H): 14.45
Perihelion: 2.798 AU
Aphelion: 3.442 AU