Home›Asteroids›658408 2017 RO21658408 2017 RO21Main-belt minor planetDesignation(658408) 2017 RO21ClassMain-beltSemi-major axis2.7312712 AUEccentricity0.0784924Inclination6.63594°Absolute magnitude (H)17.6Perihelion2.517 AUAphelion2.946 AU