ISTP SBIR phase 1 Full-Sky Scanner: A feasibility study

Details ISTP SBIR phase 1 Full-Sky Scanner: A feasibility study ISTP SBIR phase 1 Full-Sky Scanner: A feasibility study

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986itin.rept......&link_type=abstract

Final Report Ithaco, Inc., Ithaca, NY.

Statistics

Applications

Scanners, Sensors, Sky, Spin, Earth (Planet), Moon, Spacecraft Motion, Sun

Scientific paper

The objective was to develop a Full-Sky Sensor (FSS) to detect the Earth, Sun and Moon from a spinning spacecraft. The concept adopted has infinitely variable resolution. A high-speed search mode is implemented on the spacecraft. The advantages are: (1) a single sensor determines attitude parameters from Earth, Sun and Moon, thus eliminating instrument mounting errors; (2) the bias between the actual spacecraft spin axis and the intended spin axis can be determined; (3) cost is minimized; and (4) ground processing is straightforward. The FSS is a modification of an existing flight-proven sensor. Modifications to the electronics are necessary to accommodate the amplitude range and signal width range of the celestial bodies to be detected. Potential applications include ISTP missions, Multi-Spacecraft Satellite Program (MSSP), dual-spin spacecraft at any altitude, spinning spacecraft at any altitude, and orbit parameter determination for low-Earth orbits.

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