Home›Asteroids›420303 2011 YY9420303 2011 YY9Inner minor planetDesignation(420303) 2011 YY9ClassInnerSemi-major axis1.9808645 AUEccentricity0.0896887Inclination16.89777°Absolute magnitude (H)17.68Perihelion1.803 AUAphelion2.159 AU