Home›Asteroids›639513 2017 FW21639513 2017 FW21Main-belt minor planetDesignation(639513) 2017 FW21ClassMain-beltSemi-major axis3.119591 AUEccentricity0.078553Inclination1.16146°Absolute magnitude (H)16.86Perihelion2.875 AUAphelion3.365 AU