Potential Threat of Solar Proton Events to Missions in Space
PHILLIPS LAB HANSCOM AFB MA
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The flux of solar protons impacting on spacecraft is a of the location and orbit of the vehicle. Solar proton events will not affect low inclination low altitude orbits and will only moderately impact a polar orbiting vehicle. However, lunar and interplanetary missions may be seriously impacted by a very large flux of energetic solar protons. A summary of our knowledge of solar proton events as acquired ma the past half century is presented together with a description of the potential threat of solar protons on various spacecraft orbits both within and beyond the magnetosphere.