Application of Satellite Accelerometer Data to Improve Density Models

Abstract

Atmospheric density measurements obtained by the satellite accelerometer experiment provide data over a wide range of solar and geophysical conditions. These results are used in a preliminary evaluation of several atmospheric models. The model accuracies are compared by their mean values and standard deviations relative to the accelerometer data. Sources of model uncertainties and problems in reducing them are described. Long-term programs involving coordinated measurements, analyses of available data and theoretical studies are required along with development of more accurate indicators of solar and geomagnetic activity before models can show significant improvement. Keywords include: Satellite, Accelerometers, Atmospheric density measurements, Thermospheric model evaluations, Thermospheric density variability.

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Document Details

Document Type
Technical Report
Publication Date
Aug 09, 1984
Accession Number
ADA154904

Entities

People

  • F. A. Marcos

Organizations

  • Air Force Research Laboratory

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Accelerometers
  • Accuracy
  • Artificial Satellites
  • Atmospheric Density
  • Data Acquisition
  • Data Analysis
  • Databases
  • High Latitudes
  • Information Science
  • Magnetic Storms
  • Mass Spectrometers
  • Measurement
  • Probability Distributions
  • Spacecraft
  • Standards
  • Statistical Analysis
  • Vehicles

Fields of Study

  • Environmental science
  • Physics

Readers

  • Fluid Dynamics.
  • Space/Atmospheric Physics.

Technology Areas

  • Space