Home›Asteroids›74778 1999 RR23974778 1999 RR239Main-belt minor planetDesignation(74778) 1999 RR239ClassMain-beltSemi-major axis2.3676144 AUEccentricity0.1779262Inclination5.59679°Absolute magnitude (H)15.94Perihelion1.946 AUAphelion2.789 AU