Home›Asteroids›555128 Birstonas555128 BirstonasMain-belt minor planetDesignation(555128) BirstonasClassMain-beltSemi-major axis2.7807055 AUEccentricity0.2351275Inclination9.17108°Absolute magnitude (H)17.19Perihelion2.127 AUAphelion3.435 AU