The paper presents a brief introduction to the pointing problems associated with the European part of the First Spacelab Payload. Of ten experiments which require capabilities beyond mere shuttle positioning at least two, the Grille spectrometer and the microwave remote sensing experiment require extensive on-board pointing calculations. These and several other European experiments make use of a twin head horizon sensor. The paper considers the scientific requirements for accurate pointing and discusses how these objectives can be achieved. Typical error budgets are considered, and the requirements for on-board pointing computations including crew interaction are developed. The impact of uncertainties in Shuttle and Spacelab performances is explained.
European Pointed Experiments On The First Spacelab Payload
Shuttle Pointing of Electro-Optical Experiments ; 1980 ; Los Angeles,United States
Proc. SPIE ; 0265
1981-04-03
Conference paper
Electronic Resource
English
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