A study of the basic equations governing orbital transfers using long orbiting tethers is presented. A very simple approximation to the general transfer equation is derived for the case of short tethers and low eccentricity orbits. Numerical examples are calculated for the case of injection into a circular orbit from a platform in eccentric orbit and injection into eccentric orbit from a platform in circular orbit. For the case of long tethers, a method is derived for reducing tether mass and increasing payload mass by tapering the tether to maintain constant stress per unit of tether cross section. Formulas are presented for calculating the equilibrium orbital parameters taking into account the mass of the platform, tether, and payload.


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    Title :

    Study of certain launching techniques using long orbiting tethers


    Contributors:
    Colombo, G. (author) / Arnold, D. A. (author)

    Publication date :

    1981-03-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English


    Keywords :