Home›Asteroids›21830 1999 TW9321830 1999 TW93Main-belt minor planetDesignation(21830) 1999 TW93ClassMain-beltSemi-major axis3.0525013 AUEccentricity0.2129573Inclination3.00228°Absolute magnitude (H)14.38Perihelion2.402 AUAphelion3.703 AU