Home›Asteroids›393366 1999 TM21393366 1999 TM21Main-belt minor planetDesignation(393366) 1999 TM21ClassMain-beltSemi-major axis2.6025315 AUEccentricity0.045829Inclination14.93967°Absolute magnitude (H)16.65Perihelion2.483 AUAphelion2.722 AU