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>Mission Concepts and Operations for Asteroid Mitigation Involving Multiple Gravity Tractors
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Mission Concepts and Operations for Asteroid Mitigation Involving Multiple Gravity Tractors
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机译:涉及多个重力拖拉机的小行星缓和的任务概念和操作
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摘要
The gravity tractor concept is a proposed method to deflect an imminent asteroid impact through gravitational tugging over a time scale of years. In this study, we present mission scenarios and operational considerations for asteroid mitigation efforts involving multiple gravity tractors. We quantify the deflection performance improvement provided by a multiple gravity tractor campaign and assess its sensitivity to staggered launches. We next explore several proximity operation strategies to accommodate multiple gravity tractors at a single asteroid including formation-flying and mechanically-docked configurations. Finally, we utilize 99942 Apophis as an illustrative example to assess the performance of a multiple gravity tractor campaign.
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