Home›Asteroids›31141 1997 TN1831141 1997 TN18Main-belt minor planetDesignation(31141) 1997 TN18ClassMain-beltSemi-major axis2.4033044 AUEccentricity0.1540724Inclination2.94105°Absolute magnitude (H)15.72Perihelion2.033 AUAphelion2.774 AU