Home›Asteroids›541533 2011 RO21541533 2011 RO21Main-belt minor planetDesignation(541533) 2011 RO21ClassMain-beltSemi-major axis2.3978971 AUEccentricity0.1785841Inclination1.69603°Absolute magnitude (H)18Perihelion1.970 AUAphelion2.826 AU