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ISO 12208:2015

Space systems -- Space environment (natural and artificial) -- Observed proton fluences over long duration at GEO and guidelines for selection of confidence level in statistical model of solar proton fluences

General information
Valid from 09.10.2015
Directives or regulations
None
Standard history
Status
Date
Type
Name
09.10.2015
Main
ISO 12208:2015 describes a method to estimate energetic proton fluences in geosynchronous earth orbit (GEO) over a long duration (beyond the 11-year solar cycle), and presents guidelines for the selection of a confidence level in a model of solar proton fluences to estimate solar cell degradation. Many of the proton data observed in GEO are archived, for example from GMS (Japan), METEOSAT (ESA) and GOES (USA). This method is a direct integration of these fluence data (or the observed data over 11 years is used periodically). As a result, the confidence level can be selected from a model of solar proton fluences. ISO 12208:2015 is an engineering-oriented method used for specific purposes such as estimating solar panel degradation.
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