Boots – shoes – and leggings
Patent
1991-05-10
1993-11-30
Black, Thomas G.
Boots, shoes, and leggings
364460, 244164, 244176, B64G 110
Patent
active
052671674
ABSTRACT:
A method and system for formationfinding and formationkeeping in a constellation of satellites (20) orbiting about a primary body (34) is provided. A set of satellite (20) destination position (22) and time goals is selected corresponding to the satellite's (20) station in a desired constellation. The satellite (20) senses actual destination arrival positions (32) and times relative to reference positions independent of the constellation and compares these values to values from the set of goals. Corrective maneuvers are selectively implemented responsive to this comparison.
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Leonard, Hollister and Bergmann, "Orbital Formationkeeping with Differential Drag", AIAA Journal of Guidance and Control (Jan.-Feb. 1989), vol. 12, No. 1, pp. 108-113.
Mathews et al., "Efficient Spacecraft Formationkeeping with Consideration of Ballistic Control", AIAA AA-88-0375, Jan. 1988.
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Alberding Gilbert E.
Auchterlonie Thomas S.
Ball Corporation
Black Thomas G.
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