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Analysis of the Atmospheric Drag of the Echo 1 Satellite Using the PERLO Orbital Period Determination Program

  • I. Almár
  • A. Horváth
  • E. Illés
Part of the COSPAR-IAU-IAG/IUGG-IUTAM book series (IUTAM)

Abstract

The PERLO program determines the quasi-nodal period of a satellite. Using visual observations of the decaying Echo 1 the density at 800 km was deduced. During April 1968 the solar flux S 10.7 did not follow the 27-day cycle but the density ϱ0 continued to show this variation.

Keywords

Solar Activity Tracking Station Solar Flux Solar Radiation Pressure Artificial Satellite 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Verlag, Berlin/Heidelberg 1970

Authors and Affiliations

  • I. Almár
    • 1
  • A. Horváth
    • 1
  • E. Illés
    • 1
  1. 1.Konkoly Observatory of the Hungarian Academy of SciencesBudapestHungary

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