Some considerations on the orbital transfer of large deployable systems

Astronomy and Astrophysics – Astronomy

Scientific paper

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Large Space Structures, Spacecraft Antennas, Transfer Orbits, Aerodynamic Forces, Deployment, Radiation Pressure, Space Transportation System, Torque

Scientific paper

An analysis of orbital transfer requirements for a typical LDS antenna was performed to provide data to assist in selecting the mode of transfer, deployed or undeployed. Forces and torques due to aerodynamic and solar pressures and gravity gradient were predicted to determine linear and rotational impulse losses incurred during transfer. Results show that linear impulse losses will not significantly increase primary propellant requirement. However, torques encountered exceed the capability of the electric thrusters selected to meet on-orbit ACS requirements for the LDS model of the study.

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