Precision pointing of the international ultraviolet explorer /IUE/ scientific instrument using a gyroscopic and stellar referenceThe Attitude Control System for the IUE spacecraft is described. The basic mission objectives are stated and a sequential discussion of the mission is presented. Desired accuracy for each mission phase is noted and where applicable the onboard control mechanization is shown. Sensors and actuator systems utilized by the control algorithms are described. Finally, onboard software is discussed to a level necessary to understand the prime mission mode operation.
Document ID
19770041937
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Moore, J. V. (NASA Goddard Space Flight Center Greenbelt, Md., United States)