Home›Asteroids›38121 1999 JO4238121 1999 JO42Main-belt minor planetDesignation(38121) 1999 JO42ClassMain-beltSemi-major axis2.3347058 AUEccentricity0.2215884Inclination4.1871°Absolute magnitude (H)15.4Perihelion1.817 AUAphelion2.852 AU