Home›Asteroids›558257 2015 AT4558257 2015 AT4Main-belt minor planetDesignation(558257) 2015 AT4ClassMain-beltSemi-major axis2.6949507 AUEccentricity0.1446544Inclination14.98348°Absolute magnitude (H)17.15Perihelion2.305 AUAphelion3.085 AU