Pumping a tethered configuration to boost its orbit around an oblate planet

Details Pumping a tethered configuration to boost its orbit around an oblate planet Pumping a tethered configuration to boost its orbit around an oblate planet

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986tesp.nasar....b&link_type=abstract

NASA, AIAA, and PSN, International Conference on Tethers in Space, Arlington, VA, Sept. 17-19, 1986, Paper. 23 p.

Physics

Orbital Mechanics, Satellite Orbits, Tethered Satellites, Circular Orbits, Equations Of Motion, Kinetic Energy, Polar Orbits, Potential Energy

Scientific paper

A tethered satellite in a circular near-polar orbit is pitching forward, relative to the local vertical, at an average rate equal to the orbital rate. The pitching is phased so that the tether is vertical 1/8th of an orbit prior to an equatorial crossing and horizontal 1/8th of an orbit after a crossing. Pumping of the tether is necessary to maintain this phase, and the resulting increase in energy raises the orbit. A formula is obtained for the rate of increase of altitude.

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