Home›Asteroids›540851 2017 XW21540851 2017 XW21Main-belt minor planetDesignation(540851) 2017 XW21ClassMain-beltSemi-major axis2.6856276 AUEccentricity0.015577Inclination6.54827°Absolute magnitude (H)17.14Perihelion2.644 AUAphelion2.727 AU