12 July 2008 Evaluating requirements on the Spitzer Mission operations system based on flight operations experience
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Abstract
The Spitzer Space Telescope launched in August 2003, and has been in its nominal operations phase since December 2003. This paper will review some of the pre-launch, high-level project requirements in light of our operations experience. We discuss how we addressed some of those requirements pre-launch, what post-launch development we've done based on our experience, and some recommendations for future missions. Some of the requirements we examine in this paper are related to observational efficiency, completeness of data return, on-board storage of science data, and response time for targets of opportunity and data accountability. We also discuss the bearing that mission constraints have had on our solutions. These constraints include Spitzer's heliocentric orbit and resulting declining telecom performance, CPU utilization, relatively high data rate for a deep space mission, and use of both on-board RF power amplifiers, among others.
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Marc A. Sarrel, Marc A. Sarrel, Joseph C. Hunt, Joseph C. Hunt, "Evaluating requirements on the Spitzer Mission operations system based on flight operations experience", Proc. SPIE 7016, Observatory Operations: Strategies, Processes, and Systems II, 70161P (12 July 2008); doi: 10.1117/12.788058; https://doi.org/10.1117/12.788058
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