Home›Asteroids›550638 2012 RD40550638 2012 RD40Main-belt minor planetDesignation(550638) 2012 RD40ClassMain-beltSemi-major axis2.2919513 AUEccentricity0.2789855Inclination5.33369°Absolute magnitude (H)17.54Perihelion1.653 AUAphelion2.931 AU