The shapes of fragments in hypervelocity impact experiments ranging from cratering to catastrophic disruption

Tatsuhiro Michikami1, Axel Hagermann2, Tokiyuki Kadokawa3, Akifumi Yoshida1, Akira Shimada3, Sunao Hasegawa4 and Akira Tsuchiyama3, (1)Kinki University, Osaka, Japan, (2)The Open University, Milton Keynes, United Kingdom, (3)Kyoto University, Kyoto, Japan, (4)Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan