Home›Asteroids›665540 2009 RF21665540 2009 RF21Main-belt minor planetDesignation(665540) 2009 RF21ClassMain-beltSemi-major axis2.5746589 AUEccentricity0.1215602Inclination6.14494°Absolute magnitude (H)17.65Perihelion2.262 AUAphelion2.888 AU