Home›Asteroids›420305 2011 YU21420305 2011 YU21Main-belt minor planetDesignation(420305) 2011 YU21ClassMain-beltSemi-major axis2.1882438 AUEccentricity0.0692408Inclination6.07803°Absolute magnitude (H)17.89Perihelion2.037 AUAphelion2.340 AU