Home›Asteroids›8121 Altdorfer8121 AltdorferMain-belt minor planetDesignation(8121) AltdorferClassMain-beltSemi-major axis2.2377755 AUEccentricity0.1010276Inclination2.6818°Absolute magnitude (H)15.22Perihelion2.012 AUAphelion2.464 AU