Home›Asteroids›857618 2012 RT21857618 2012 RT21Main-belt minor planetDesignation(857618) 2012 RT21ClassMain-beltSemi-major axis2.2328364 AUEccentricity0.2436465Inclination3.03209°Absolute magnitude (H)18.62Perihelion1.689 AUAphelion2.777 AU