Home›Asteroids›21838 1999 TM9921838 1999 TM99Main-belt minor planetDesignation(21838) 1999 TM99ClassMain-beltSemi-major axis2.7646411 AUEccentricity0.1670155Inclination10.43614°Absolute magnitude (H)14.37Perihelion2.303 AUAphelion3.226 AU