Abstract

Future space vehicles will require high-performance sensors for pointing, control, and attitude determination. When combined with unique acquisition and tracking concepts, star trackers that use a charge injection device (CID) offer high accuracy and rate tracking capability and result in decreased spatial noise and minimum size, weight, and power. Tests of a CID breadboard tracker have demonstrated an accuracy of 1 part in 17,000. This is equivalent to 1.7 arc sec for an 8° field of view. Use of flight-quality hardware and improved test equipment are expected to improve performance by a factor of approximately two.

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