Characterizing fragments from impact on a micro satellite

Kyohei Nakashima, Toshiya Hanada, Takayuki Harano, Yu Machida, Takao Koura, Yasuhlro Akahoshi

Research output: Contribution to conferencePaper

Abstract

This paper characterizes the properties of fragments from impact on a micro satellite. We have found out that the NASA standard breakup model can be applied to low-velocity non-catastrophic collisions with some simple modifications. However, we are not sure if it can also be applied to low-velocity catastrophic collisions, wherein both projectile and target are totally fragmented. The difference between a catastrophic and a non-catastrophic collision would be determined by the ratio of kinetic energy at impact to target mass. The NASA standard breakup model has defined if the ratio is equal to or greater than 40 J/g, then the collision is catastrophic. Therefore, we hit a micro satellite of a mass of 681.5 g by a solid aluminum alloy sphere of a mass of 38.9 g at a speed of 1.35 km/s. This impact carried out above is catastrophic in modeling. Then, we compares fragments properties with those generated by the NASA standard breakup model 2000 revision to show that size distribution model in the standard breakup model can be applied to a catastrophic low-velocity collision with some simple modifications and size-to-area conversion model in the standard breakup model can be applied to a catastrophic low-velocity collision.

Original languageEnglish
Pages2527-2534
Number of pages8
Publication statusPublished - Dec 1 2005
EventInternational Astronautical Federation - 56th International Astronautical Congress 2005 - Fukuoka, Japan
Duration: Oct 17 2005Oct 21 2005

Other

OtherInternational Astronautical Federation - 56th International Astronautical Congress 2005
CountryJapan
CityFukuoka
Period10/17/0510/21/05

All Science Journal Classification (ASJC) codes

  • Space and Planetary Science
  • Aerospace Engineering

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