Home›Asteroids›16391 1981 EM4016391 1981 EM40Main-belt minor planetDesignation(16391) 1981 EM40ClassMain-beltSemi-major axis2.6911354 AUEccentricity0.105653Inclination3.09301°Absolute magnitude (H)15.07Perihelion2.407 AUAphelion2.975 AU