Statite: spacecraft that utilizes sight pressure and method of u

Details Statite: spacecraft that utilizes sight pressure and method of u Statite: spacecraft that utilizes sight pressure and method of u

1989-01-09

1993-02-02

Peters, Jr., Joseph F.

Aeronautics and astronautics

Spacecraft

Attitude control

244158R, 244173, B64G 136

Patent

active

051832259

ABSTRACT:
An artificial space object capable of operating usefully adjacent to, but not in orbit about, a celestial body such as the Earth, comprising: payload means for providing useful services from a position in space adjacent to the Earth, light pressure propulsion means for intercepting light pressure and directing the resulting force to oppose the gravitational force between the Earth and the space object; and attachment means for attaching the propulsion system to the payload, whereby the force generated by the propulsion system may be transmitted to payload. The invention is designated a "Statite", i.e. a useful space payload maintained by light pressure in a position adjacent to the surface of a celestial body, but not in orbit around it. The propulsion system may be a solar sail or it may be a solar photon thruster. The useful payload may be the space segment of a communications, broadcasting, remote sensing, or any other useful space system. The invention also teaches several methods of operating a Statite including polar and near polar positioning; solar orbital positioning; and halo orbit positioning.

REFERENCES:
patent: 3588000 (1971-06-01), Buckingham
patent: 4262867 (1981-04-01), Piening
patent: 4325124 (1982-04-01), Renner
patent: 4728061 (1988-03-01), Johnson et al.
patent: 4759517 (1988-07-01), Clark
R. K. Chetty et al., "Enhanced Power Generation by Optical Solar Reflectors on Geostationary Spinners", .COPYRGT.1979, see Abstract.
D. C. Briggs et al., "Electrical Power Subsystem for INSAT-1", Ford Aerospace, see p. 1, para. 4.

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