Home›Asteroids›639720 2017 OY47639720 2017 OY47Main-belt minor planetDesignation(639720) 2017 OY47ClassMain-beltSemi-major axis2.2529928 AUEccentricity0.0835076Inclination6.98296°Absolute magnitude (H)18.27Perihelion2.065 AUAphelion2.441 AU