Home›Asteroids›21864 1999 TD23821864 1999 TD238Main-belt minor planetDesignation(21864) 1999 TD238ClassMain-beltSemi-major axis2.2940264 AUEccentricity0.0871763Inclination5.35455°Absolute magnitude (H)15.36Perihelion2.094 AUAphelion2.494 AU