Computer Science
Scientific paper
May 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990p%26ss...38..637j&link_type=abstract
Planetary and Space Science (ISSN 0032-0633), vol. 38, May 1990, p. 637-646. Research supported by SERC and Ministry of Defence
Computer Science
1
Annual Variations, Atmospheric Density, Cosmos Satellites, Earth Orbital Environments, Orbit Decay, Upper Atmosphere, Elliptical Orbits, Magnetic Effects, Perigees
Scientific paper
Cosmos 482 (1972-23A) was launched on March 31, 1972. Although an escape trajectory to Venus was intended, the escape maneuver failed and the vehicle remained in a high-drag elliptical orbit about the earth. The orbit has been determined previously by King-Hele and Winterbottom (1985) at 77 epochs, and a subset of 46 of these orbits is used in this paper to determine thermospheric density values at heights near 220 km. One hundred and twenty-six such density values are obtained for the period August 1979-February 1981. Standardized to a fixed height of 222 km, and corrected for variations in exospheric temperature, these values reveal the semiannual variation in density which is discussed and compared with standard atmospheric models.
Jones Camille L.
Swinerd Graham G.
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