publication . Article . 2015

The shapes of fragments from catastrophic disruption events: Effects of target shape and impact speed

Adriano Campo Bagatin;
  • Published: 01 Mar 2015 Journal: Planetary and Space Science, volume 107, pages 77-83 (issn: 0032-0633, Copyright policy)
  • Publisher: Elsevier BV
  • Country: Spain
We conducted impact experiments at the NASA Ames Vertical Gun Range in the context of an ongoing set of experiments to investigate both target shape and impact speed effects on fragment shapes and mass–frequency distributions in collisions on basalt targets. In this work we present the first part of that set, regarding mostly target shape effects. We impacted both irregularly-shaped and spherical basalt targets at speeds ranging from ~4–6 km/s. We obtained mass–frequency distributions from fragments recovered from the impact chamber and measured fragments shapes using a combination of image analysis and manual measurements with a caliper. We find that the charac...
free text keywords: Asteroids, Fragmentation, Collisions, Internal structure, Gravitational aggregates, Física Aplicada, Space and Planetary Science, Astronomy and Astrophysics
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