Home›Asteroids›53421 1999 RY1853421 1999 RY18Inner minor planetDesignation(53421) 1999 RY18ClassInnerSemi-major axis1.9220375 AUEccentricity0.0846255Inclination19.46932°Absolute magnitude (H)15.87Perihelion1.759 AUAphelion2.085 AU