Home›Asteroids›53171 1999 CP2153171 1999 CP21Main-belt minor planetDesignation(53171) 1999 CP21ClassMain-beltSemi-major axis2.7568147 AUEccentricity0.0519448Inclination5.83557°Absolute magnitude (H)14.85Perihelion2.614 AUAphelion2.900 AU