Home›Asteroids›639973 2018 RO23639973 2018 RO23Main-belt minor planetDesignation(639973) 2018 RO23ClassMain-beltSemi-major axis2.7956197 AUEccentricity0.1885504Inclination8.61161°Absolute magnitude (H)16.72Perihelion2.269 AUAphelion3.323 AU