Home›Asteroids›566559 2018 RY21566559 2018 RY21Main-belt minor planetDesignation(566559) 2018 RY21ClassMain-beltSemi-major axis2.3864326 AUEccentricity0.2341579Inclination2.61813°Absolute magnitude (H)17.75Perihelion1.828 AUAphelion2.945 AU