Home›Asteroids›831328 2009 OR21831328 2009 OR21Main-belt minor planetDesignation(831328) 2009 OR21ClassMain-beltSemi-major axis2.5889524 AUEccentricity0.2315276Inclination11.7334°Absolute magnitude (H)17.3Perihelion1.990 AUAphelion3.188 AU