Home›Asteroids›718509 2017 HD20718509 2017 HD20Main-belt minor planetDesignation(718509) 2017 HD20ClassMain-beltSemi-major axis3.0188615 AUEccentricity0.0925047Inclination5.89266°Absolute magnitude (H)16.94Perihelion2.740 AUAphelion3.298 AU