Home›Asteroids›816781 2011 UW57816781 2011 UW57Main-belt minor planetDesignation(816781) 2011 UW57ClassMain-beltSemi-major axis2.3968572 AUEccentricity0.1899904Inclination4.20221°Absolute magnitude (H)18.66Perihelion1.941 AUAphelion2.852 AU