Home›Asteroids›121663 1999 XC31121663 1999 XC31Main-belt minor planetDesignation(121663) 1999 XC31ClassMain-beltSemi-major axis3.0492474 AUEccentricity0.1679447Inclination6.31399°Absolute magnitude (H)15.53Perihelion2.537 AUAphelion3.561 AU