Home›Asteroids›16983 1999 AQ2116983 1999 AQ21Main-belt minor planetDesignation(16983) 1999 AQ21ClassMain-beltSemi-major axis2.3942979 AUEccentricity0.1260536Inclination0.84682°Absolute magnitude (H)14.75Perihelion2.092 AUAphelion2.696 AU