Home›Asteroids›40331 1999 MS140331 1999 MS1Main-belt minor planetDesignation(40331) 1999 MS1ClassMain-beltSemi-major axis2.2490795 AUEccentricity0.1197727Inclination1.68303°Absolute magnitude (H)15.99Perihelion1.980 AUAphelion2.518 AU