Home›Asteroids›309342 2007 TM21309342 2007 TM21Main-belt minor planetDesignation(309342) 2007 TM21ClassMain-beltSemi-major axis2.3648518 AUEccentricity0.1757298Inclination1.46273°Absolute magnitude (H)17.54Perihelion1.949 AUAphelion2.780 AU