Home›Asteroids›21756 1999 RB19221756 1999 RB192Main-belt minor planetDesignation(21756) 1999 RB192ClassMain-beltSemi-major axis2.1696047 AUEccentricity0.1178552Inclination3.98272°Absolute magnitude (H)15.74Perihelion1.914 AUAphelion2.425 AU