Home›Asteroids›21807 1999 TH1421807 1999 TH14Main-belt minor planetDesignation(21807) 1999 TH14ClassMain-beltSemi-major axis3.1601141 AUEccentricity0.1779316Inclination1.87193°Absolute magnitude (H)13.78Perihelion2.598 AUAphelion3.722 AU