18557 1997 CQ11

Main-belt minor planet

Designation: (18557) 1997 CQ11
Class: Main-belt
Semi-major axis: 2.8724575 AU
Eccentricity: 0.0313523
Inclination: 1.3331°
Absolute magnitude (H): 14.25
Perihelion: 2.782 AU
Aphelion: 2.963 AU