Stability of the stationary motions of a tethered system of two bodies in orbit under the effect of gravitational and aerodynamic forces

Details Stability of the stationary motions of a tethered system of two bodies in orbit under the effect of gravitational and aerodynamic forces Stability of the stationary motions of a tethered system of two bodies in orbit under the effect of gravitational and aerodynamic forces

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984kosis..22..675l&link_type=abstract

Kosmicheskie Issledovaniia (ISSN 0023-4206), vol. 22, Sept.-Oct. 1984, p. 675-682. In Russian.

Computer Science

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Astrodynamics, Flexible Spacecraft, Spacecraft Motion, Spacecraft Stability, Tethered Satellites, Aerodynamic Forces, Circular Orbits, Earth Orbits, Gravitational Effects, Satellite Drag, Satellite Sounding, Sondes, Static Characteristics

Scientific paper

The motion of a tethered system of two satellites in geocentric orbit is examined. The main satellite is assumed to move in circular orbit at a height of 200-250 km above the earth's surface, while the subsatellite-probe, attached to the main satellite by a thin tether, is assumed to orbit the earth at a height of 100-150 km. In the dynamic analysis the subsatellite is considered as a material point, while the tether is considered as an extensible and ponderable flexible filament. Aerodynamic forces acting on the probe and tether are considered, and it is noted that the stationary motions of the system consist in its uniform revolution as a rigid body about the earth. The stability of these stationary motions is analyzed, and it is shown that constraints imposed on the tether parameters by the stability requirement are more rigorous than constraints on tether strength.

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