Home›Asteroids›31390 1998 YB431390 1998 YB4Main-belt minor planetDesignation(31390) 1998 YB4ClassMain-beltSemi-major axis2.2297605 AUEccentricity0.206167Inclination6.8637°Absolute magnitude (H)15.76Perihelion1.770 AUAphelion2.689 AU