Magellan aerobrake navigation
Magellan aerobrake navigation
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麦哲伦空气刹车导航
DOI：
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发表时间：
1995
期刊：
影响因子：
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通讯作者：
L. Lim
中科院分区：
文献类型：
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作者：
J. Giorgini;S. Wong;T. You;Pam Chadbourne;L. Lim
麦哲伦号航天器已通过空气制动进入环绕金星的197 x 541公里近圆形轨道，并从该轨道执行高分辨率重力测绘使命。这是第一次行星际空气制动机动，涉及航天器在70天内通过金星大气层的上游飞行730次。在此期间，往返光时从9.57分钟到18.83分钟不等。麦哲伦使命这一动态阶段的导航是在面临航天器安全模式被禁用、飞行队规模仅为类似行星际飞行任务三分之一的情况下计划和执行的。使用并非设计用于在行星大气层中运行的航天器硬件成功执行这一manuever，证明了未来大型和小型行星际任务的实用成本节约技术。
The Magellan spacecraft has been aerobraked into a 197 x 541 km near-circular orbit around Venus from which it is conducting a high-resolution gravity mapping mission. This was the first interplanetary aerobrake maneuver and involved flying the spacecraft through the upper reaches of the Venusian atmosphere 730 times over a 70 day period. Round-trip light-time varied from 9.57 to 18.83 minutes during this period. Navigation for this dynamic phase of the Magellan mission was planned and executed in the face of budget-driven down-sizing with all spacecraft safe modes disabled and a flight-team one-third the size of comparable interplanetary missions. Successful execution of this manuever using spacecraft hardware not designed to operate in a planetary atmosphere, demonstrated a practical cost-saving technique for both large and small future interplanetary missions.