Home›Asteroids›442216 2011 HD18442216 2011 HD18Main-belt minor planetDesignation(442216) 2011 HD18ClassMain-beltSemi-major axis2.2469482 AUEccentricity0.1509835Inclination3.21427°Absolute magnitude (H)18.33Perihelion1.908 AUAphelion2.586 AU