Home›Asteroids›550639 2012 RK40550639 2012 RK40Main-belt minor planetDesignation(550639) 2012 RK40ClassMain-beltSemi-major axis2.3130939 AUEccentricity0.234928Inclination23.00989°Absolute magnitude (H)17.75Perihelion1.770 AUAphelion2.857 AU