Home›Asteroids›77978 2002 JD2177978 2002 JD21Main-belt minor planetDesignation(77978) 2002 JD21ClassMain-beltSemi-major axis2.3006897 AUEccentricity0.1572908Inclination3.78535°Absolute magnitude (H)16.17Perihelion1.939 AUAphelion2.663 AU