Home›Asteroids›639808 2017 ST90639808 2017 ST90Main-belt minor planetDesignation(639808) 2017 ST90ClassMain-beltSemi-major axis3.0919216 AUEccentricity0.1962753Inclination8.19672°Absolute magnitude (H)16.86Perihelion2.485 AUAphelion3.699 AU