Home›Asteroids›639391 2017 DE31639391 2017 DE31Main-belt minor planetDesignation(639391) 2017 DE31ClassMain-beltSemi-major axis2.6913835 AUEccentricity0.0172547Inclination5.66497°Absolute magnitude (H)17.19Perihelion2.645 AUAphelion2.738 AU