Home›Asteroids›540621 2017 UR21540621 2017 UR21Main-belt minor planetDesignation(540621) 2017 UR21ClassMain-beltSemi-major axis2.7772334 AUEccentricity0.0299021Inclination5.58606°Absolute magnitude (H)17.16Perihelion2.694 AUAphelion2.860 AU