Home›Asteroids›639683 2017 HP40639683 2017 HP40Main-belt minor planetDesignation(639683) 2017 HP40ClassMain-beltSemi-major axis3.0588268 AUEccentricity0.1895012Inclination2.31066°Absolute magnitude (H)16.69Perihelion2.479 AUAphelion3.638 AU