Home›Asteroids›40397 1999 NY5540397 1999 NY55Main-belt minor planetDesignation(40397) 1999 NY55ClassMain-beltSemi-major axis2.6649437 AUEccentricity0.1089907Inclination12.48321°Absolute magnitude (H)13.93Perihelion2.374 AUAphelion2.955 AU