Atmosphere density changes caused by the motion of spacecrafts in low Earth orbits
|1Maslova, AI, 1Pirozhenko, AV |
1Institute of Technical Mechanics of the National Academy of Sciences of Ukraine and the State Space Agency of Ukraine, Dnipro, Ukraine
|Kosm. nauka tehnol. 2009, 15 ;(1):13-18|
|Publication Language: Russian|
The atmosphere density changes caused by the motion of spacecrafts in almost circular Earth orbits are considered for a range of altitudes from 550 to 750 km. Only short-period changes with frequencies close to the frequency of the orbital motion are studied. It is assumed that such density changes are produced by the following factors: the diurnal effect of the atmosphere swelling on the illuminated side of the Earth; the change of altitude of an orbit due to noncentrality the gravitational field of the Earth; the change of altitude of an orbit due to its ellipticity.
|Keywords: atmosphere swelling, density, orbit altitude|
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