Reentry of Ionized Space Debris by Atmospheric Layers with Variable Density

Space Debris, Atmospheric re-entry, ionized objects, aerodynamics.

Authors

  • Gabriel Luiz Ferreira Santos Department of Astrophysics, National Institute for Space Research, Avenida dos Astronautas, São José dos Campos, 12227-010, São Paulo, Brazil.
  • Antônio Delson Conceição de Jesus Department of Physics, State University of Feira de Santana, Avenida Transnordestina, Feira de Santana, 44036-900, Bahia, Brazil.
August 5, 2022

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The atmospheric re-entry of a space object (operational or not) is defined as its return to the surface of the planet. Space Debris can suffer a non-negligible action from atmospheric drag. These bodies tend to  initiate the process of  natural  re-entry.  This  means  that  there  is  no  way to avoid a collision of this Space Debris with a commercial aircraft, for example, or change its collision course towards an industrial zone with large amounts of flammable substances stored.  The  main  objective  of this work, therefore, is to map the Space Debris families that, after a natural atmospheric re-entry process of up to 2000 seconds (33.33 min) in duration, reach some point in the Washington, DC area and nearby region. Thus, with the survey  of  Space  Debris  proposed  by  this  work, the authorities can develop  a  series  of  security  protocols  to  maintain the physical integrity of properties, people and aircraft in that region.