Home›Asteroids›39818 1997 YR439818 1997 YR4Main-belt minor planetDesignation(39818) 1997 YR4ClassMain-beltSemi-major axis2.2713557 AUEccentricity0.1440674Inclination4.07385°Absolute magnitude (H)15.43Perihelion1.944 AUAphelion2.599 AU