Home›Asteroids›573257 2009 BY9573257 2009 BY9Main-belt minor planetDesignation(573257) 2009 BY9ClassMain-beltSemi-major axis3.1162395 AUEccentricity0.1380238Inclination1.88604°Absolute magnitude (H)17.16Perihelion2.686 AUAphelion3.546 AU