Home›Asteroids›663916 2007 YS21663916 2007 YS21Main-belt minor planetDesignation(663916) 2007 YS21ClassMain-beltSemi-major axis2.742069 AUEccentricity0.1070589Inclination5.6995°Absolute magnitude (H)16.72Perihelion2.449 AUAphelion3.036 AU