Home›Asteroids›20506 1999 RO1720506 1999 RO17Main-belt minor planetDesignation(20506) 1999 RO17ClassMain-beltSemi-major axis2.5496068 AUEccentricity0.1946995Inclination12.49356°Absolute magnitude (H)14.54Perihelion2.053 AUAphelion3.046 AU