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 | Time Variation of Orbital Parameters of an Equatorial Satellite
Author : Gurtu, S.K.
Source : Defence Science Journal ; Vol:31(4) ; 1981 ; pp 277-284
Subject : 52 Space Research
Keywords : Non rotating earth equations ;Orbital eccentricities;Elevation angle;Axial rotation
Abstract : A few orbital parameters which take into account earth's finite shape as well as its axial rotation are developed for a satellite moving in the earth's equatorial plane. Expressions for line of sight velocity dr/sub es//dt, variation of elevation angle, and the condition for satellite's accessibility from a ground station are obtained. For a non-rotating earth equations for variation of arc length D/sub c/ and segment area A/sub s/ are derived. The various parameters are plotted against time for different orbital eccentricities. |
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