Home›Asteroids›21607 Robel21607 RobelMain-belt minor planetOpen encyclopedia entry →Designation(21607) RobelClassMain-beltSemi-major axis2.6804929 AUEccentricity0.1024184Inclination9.07469°Absolute magnitude (H)13.25Perihelion2.406 AUAphelion2.955 AU