Home›Asteroids›621671 2009 WD21621671 2009 WD21Main-belt minor planetDesignation(621671) 2009 WD21ClassMain-beltSemi-major axis2.4028604 AUEccentricity0.1995658Inclination2.98069°Absolute magnitude (H)18.27Perihelion1.923 AUAphelion2.882 AU