Home›Asteroids›665838 2009 UK21665838 2009 UK21Main-belt minor planetDesignation(665838) 2009 UK21ClassMain-beltSemi-major axis2.2119534 AUEccentricity0.2159981Inclination3.44629°Absolute magnitude (H)18.86Perihelion1.734 AUAphelion2.690 AU