Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986baicz..37..196s&link_type=abstract
Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 37, July 1986, p. 196-202.
Astronomy and Astrophysics
Astronomy
3
Annual Variations, Atmospheric Density, Density Distribution, Orbital Elements, Satellite Orbits, Upper Atmosphere, Aerodynamic Drag, Atmospheric Models, Thermosphere
Scientific paper
The densities of the thermosphere were determined from the orbital data
of four satellites, and the semiannual variation was studied, analyzing
the density index (D). A general formula for the variation was derived
and compared with the CIRA 72 model. The formula includes a shift of the
extrema with height.
Baghos B. B.
Helali Y. E.
Sehnal Ladislav
Tawadrous Maher Y.
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