Home›Asteroids›40988 1999 TN31140988 1999 TN311Main-belt minor planetDesignation(40988) 1999 TN311ClassMain-beltSemi-major axis3.0442983 AUEccentricity0.1457094Inclination1.19371°Absolute magnitude (H)14.9Perihelion2.601 AUAphelion3.488 AU