Home›Asteroids›31780 1999 JB13631780 1999 JB136Main-belt minor planetDesignation(31780) 1999 JB136ClassMain-beltSemi-major axis2.9775003 AUEccentricity0.0421489Inclination10.555°Absolute magnitude (H)13.53Perihelion2.852 AUAphelion3.103 AU