Home›Asteroids›639840 2017 UM40639840 2017 UM40Main-belt minor planetDesignation(639840) 2017 UM40ClassMain-beltSemi-major axis3.1930748 AUEccentricity0.2101578Inclination15.66566°Absolute magnitude (H)16.2Perihelion2.522 AUAphelion3.864 AU