Home›Asteroids›540620 2017 UM21540620 2017 UM21Main-belt minor planetDesignation(540620) 2017 UM21ClassMain-beltSemi-major axis2.3845145 AUEccentricity0.1937543Inclination3.79776°Absolute magnitude (H)17.89Perihelion1.923 AUAphelion2.847 AU