GOES-12 molecular contamination

Jack Sanders; Glenn Rosecrans

doi:10.1117/12.682006

7 September 2006 GOES-12 molecular contamination

Jack Sanders, Glenn Rosecrans

Proceedings Volume 6291, Optical Systems Degradation, Contamination, and Stray Light: Effects, Measurements, and Control II; 62910E (2006) https://doi.org/10.1117/12.682006
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

The GOES-12 spacecraft exhibits a loss of heat rejection capabilities over the long term. It also presents a unique opportunity to evaluate this change at more than one temperature. The Imager and Sounder instruments use passive radiant coolers to reject heat from their sensors, and operate near 200 Kelvin. The Solar X-ray Imager (SXI) instrument mirror operates at or above 273 Kelvin. The mass deposition for SXI is substantially less than that of the Imager and Sounder. The phenomenon is evaluated and reasons for it discussed. This paper follows other descriptions by the author of the electrostatic return and introduces photolytic interactions at different temperatures.

Citation Download Citation

Jack Sanders and Glenn Rosecrans "GOES-12 molecular contamination", Proc. SPIE 6291, Optical Systems Degradation, Contamination, and Stray Light: Effects, Measurements, and Control II, 62910E (7 September 2006); https://doi.org/10.1117/12.682006

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