Home›Asteroids›178838 2001 HA21178838 2001 HA21Main-belt minor planetDesignation(178838) 2001 HA21ClassMain-beltSemi-major axis2.3751765 AUEccentricity0.1515197Inclination2.97685°Absolute magnitude (H)16.86Perihelion2.015 AUAphelion2.735 AU