Home›Asteroids›720131 1999 ON5720131 1999 ON5Main-belt minor planetDesignation(720131) 1999 ON5ClassMain-beltSemi-major axis2.3182097 AUEccentricity0.1121149Inclination3.92259°Absolute magnitude (H)17.21Perihelion2.058 AUAphelion2.578 AU