Aeronautics and astronautics – Spacecraft – Spacecraft formation – orbit – or interplanetary path
Patent
1974-07-05
1976-12-07
Blix, Trygve M.
Aeronautics and astronautics
Spacecraft
Spacecraft formation, orbit, or interplanetary path
B64G 100
Patent
active
039958019
ABSTRACT:
One or more satellites are stored or parked in a quasi-equatorial orbit in an inoperative or nonoperating state for subsequent operation in an equatorial plane at synchronous altitude and maintained in that plane thereafter by north-south station-keeping control systems. The satellite is launched in a slightly inclined orbit relative to the equatorial plane of the earth to limit the inclination that may be induced by perturbations for significantly long periods of time during the stored or parked mode without the need for north-south station-keeping control systems aboard the satellite for orbit adjustments.
REFERENCES:
patent: 3706037 (1972-12-01), Lundgren
patent: 3747095 (1973-07-01), Wilson
patent: 3836969 (1974-09-01), Bond et al.
Barry Miller, "Syncom 2 to Use Multiple- Access Devices", Aviation Week and Space Tech., June 10, 1963, pp. 108, 109, 113, 115, 117, 121 & 123.
C. W. Lundgren, "A Satellite System for Avoiding Serial Sun-Transit Outages and Eclipses", Oct. 1970, The Bell Sys. Tech. Journ. pp. 1943-1972.
Martello, "Transfer from a Standby to a Stationary Orbit Using Electric Prop.", June 1972, Electric Prop. and its Space app.; Workshop 2 pp. 361-380.
Trautwein et al., "Optimum Rendezvous Guidance Study", Lockheed Missiles & Space Co., Interim Rep., June 1968.
Barefoot Galen L.
Blix Trygve M.
Christoffersen H.
Lazar J. D.
Norton E. J.
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