Home›Asteroids›25355 1999 RU22125355 1999 RU221Main-belt minor planetDesignation(25355) 1999 RU221ClassMain-beltSemi-major axis2.3005202 AUEccentricity0.1661284Inclination5.69893°Absolute magnitude (H)15.12Perihelion1.918 AUAphelion2.683 AU