Home›Asteroids›40257 1999 CZ5640257 1999 CZ56Main-belt minor planetDesignation(40257) 1999 CZ56ClassMain-beltSemi-major axis2.2131032 AUEccentricity0.0934005Inclination1.74506°Absolute magnitude (H)16.12Perihelion2.006 AUAphelion2.420 AU