Home›Asteroids›81637 2000 HW7881637 2000 HW78Main-belt minor planetDesignation(81637) 2000 HW78ClassMain-beltSemi-major axis2.5542749 AUEccentricity0.1050467Inclination14.87434°Absolute magnitude (H)15.37Perihelion2.286 AUAphelion2.823 AU