Home›Asteroids›584574 2017 KD21584574 2017 KD21Main-belt minor planetDesignation(584574) 2017 KD21ClassMain-beltSemi-major axis2.2577493 AUEccentricity0.0876893Inclination7.44895°Absolute magnitude (H)18Perihelion2.060 AUAphelion2.456 AU