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Proceedings Paper

AE9/AP9/SPM: new models for radiation belt and space plasma specification
Author(s): W. Robert Johnston; T. Paul O’Brien; Gregory P. Ginet; Stuart L. Huston; Timothy B. Guild; Judy A. Fennelly
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Paper Abstract

A new set of models, AE9/AP9/SPM, has been developed for use in space system design and other climatological applications. They describe energetic electron, proton, and plasma fluxes in the Earth’s inner magnetosphere based on 30 independent data sets from satellite-based sensors. The models provide particle flux maps including estimates of both measurement uncertainties and space weather variability. Furthermore, the model architecture permits the Monte-Carlo estimation of the time evolution of fluxes and derived quantities, e.g. the median and 95th percentile, along an arbitrary orbit. This overview will particularly address the latest AE9/AP9 version release.

Paper Details

Date Published: 3 June 2014
PDF: 9 pages
Proc. SPIE 9085, Sensors and Systems for Space Applications VII, 908508 (3 June 2014); doi: 10.1117/12.2049836
Show Author Affiliations
W. Robert Johnston, Air Force Research Lab. (United States)
T. Paul O’Brien, The Aerospace Corp. (United States)
Gregory P. Ginet, MIT Lincoln Lab. (United States)
Stuart L. Huston, Atmospheric and Environmental Research, Inc. (United States)
Timothy B. Guild, The Aerospace Corp. (United States)
Judy A. Fennelly, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 9085:
Sensors and Systems for Space Applications VII
Khanh D. Pham; Joseph L. Cox, Editor(s)

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