Apart from the few largest bodies over NUMBER@1 km in diameter , such as NUMBER@2 ORGANIZATION@1 and NUMBER@3 ORGANIZATION@2 , most asteroids appear to have been significantly fractured , or are even rubble piles .

Apart from the few biggest bodies over NUMBER@1 km in diameter , such as NUMBER@2 ORGANIZATION@1 and NUMBER@3 ORGANIZATION@2 , most asteroids appear to have been fractured a lot .
