Home›Asteroids›43139 1999 XM9043139 1999 XM90Main-belt minor planetDesignation(43139) 1999 XM90ClassMain-beltSemi-major axis3.1978979 AUEccentricity0.0727619Inclination14.85446°Absolute magnitude (H)12.94Perihelion2.965 AUAphelion3.431 AU