Solar dominated satellite constellations capable of having...

Details Solar dominated satellite constellations capable of having... Solar dominated satellite constellations capable of having...

2007-08-14

2007-08-14

Swiatek, Rob (Department: 3643)

Aeronautics and astronautics

Spacecraft

Spacecraft formation, orbit, or interplanetary path

Reexamination Certificate

active

11086754

ABSTRACT:
A new method of constellation design based on combining repeating ground tracks with common ground tracks and/or sun-synchronous orbits is used for performing high-precision change detection imagery for longer periods of time while minimizing battery usage. By precisely prescribing the orbital parameters, sharpened change detection images may be taken without the need to process out blurring by any special image re-working software. The relationship between the orbital parameters of the satellites is precisely tuned to the earth's rotation rate for the altitude of the satellites. The unique set of earth orbits minimizes satellite battery requirement while optimizing the ability to perform coherent change detection (CCD).

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