Home›Asteroids›289917 2005 NM21289917 2005 NM21Main-belt minor planetDesignation(289917) 2005 NM21ClassMain-beltSemi-major axis3.1753584 AUEccentricity0.1331048Inclination7.55795°Absolute magnitude (H)15.46Perihelion2.753 AUAphelion3.598 AU