Home›Asteroids›36121 1999 RO14336121 1999 RO143Main-belt minor planetDesignation(36121) 1999 RO143ClassMain-beltSemi-major axis3.1230588 AUEccentricity0.1973643Inclination0.53596°Absolute magnitude (H)14.42Perihelion2.507 AUAphelion3.739 AU