Home›Asteroids›40639 1999 RW18040639 1999 RW180Main-belt minor planetDesignation(40639) 1999 RW180ClassMain-beltSemi-major axis2.3804748 AUEccentricity0.1866599Inclination3.42411°Absolute magnitude (H)16Perihelion1.936 AUAphelion2.825 AU