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The AEROS satellite had a circular cylindrical shape, 0.914 m in diameter and 0.710 m in height. It was launched into an elliptical, polar, nearly sun-synchronous earth orbit. The spacecraft was spin stabilized at 10 rpm and oriented with the spin axis toward the sun. The purpose of the mission was to study the state and behavior of the upper atmosphere and ionospheric F region, especially with regard to the influence of solar ultraviolet radiation. Five experiments provided data on the temperature and density of electrons, ions, and neutral particles, the composition of ions and neutral particles, and solar ultraviolet flux.

Alternate Names

  • 625-A2
  • Aeros 1
  • GRS-A2
  • PL-722A
  • 06315

Facts in Brief

Launch Date: 1972-12-16
Launch Vehicle: Scout
Launch Site: Vandenberg AFB, United States
Mass: 125.7 kg

Funding Agencies

  • Bundesministerium fuer Bildung und Wissenschaft (Federal Republic of Germany)
  • NASA-Office of Space Science Applications (United States)


  • Space Physics
  • Solar Physics
  • Earth Science

Additional Information

Questions and comments about this spacecraft can be directed to: Dr. Dieter K. Bilitza



NameRoleOriginal AffiliationE-mail
Dr. Siegfried J. BauerProject ScientistNASA Goddard Space Flight Center
Dr. Peter LaemmerzahlProject ScientistMax-Planck-Institut fur Kernphysik
Ing. Horst SchreiberProject ManagerDeutsche Forschungs-und Versuchsenstalt fuer Luft-und Raumfahrt
Mr. Carl L. Wagner, Jr.Project ManagerNASA Goddard Space Flight Center
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