Home›Asteroids›40638 1999 RS18040638 1999 RS180Main-belt minor planetDesignation(40638) 1999 RS180ClassMain-beltSemi-major axis2.515551 AUEccentricity0.1387327Inclination4.11571°Absolute magnitude (H)15.85Perihelion2.167 AUAphelion2.865 AU