Home›Asteroids›16139 1999 XO12016139 1999 XO120Main-belt minor planetDesignation(16139) 1999 XO120ClassMain-beltSemi-major axis3.15405 AUEccentricity0.1230132Inclination9.33005°Absolute magnitude (H)13.11Perihelion2.766 AUAphelion3.542 AU