Home›Asteroids›257597 1999 RH66257597 1999 RH66Main-belt minor planetDesignation(257597) 1999 RH66ClassMain-beltSemi-major axis2.335625 AUEccentricity0.2505743Inclination3.62205°Absolute magnitude (H)17.64Perihelion1.750 AUAphelion2.921 AU