Home›Asteroids›678879 2017 YR21678879 2017 YR21Main-belt minor planetDesignation(678879) 2017 YR21ClassMain-beltSemi-major axis3.036141 AUEccentricity0.0430756Inclination1.51725°Absolute magnitude (H)17.32Perihelion2.905 AUAphelion3.167 AU