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首页> 外文会议>7th Spacecraft Charging Technology Conference 2001: a Spacecraft Charging Odyssey, Apr 23-27, 2001, Noordwijk, the Netherlands >Characteristics of the plasma environment for the SMART-1 mission
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Characteristics of the plasma environment for the SMART-1 mission

机译：SMART-1任务的等离子体环境特征

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The primary objective of the SMART-1 mission is to test the performance of an electric propulsion engine in space. For the first six months, the satellite will orbit in the inner magnetosphere, spending a considerable amount of time in the radiation belt where relativistic particles can cause serious internal damage to the vehicle. When being outside that region, the spacecraft will primarily move in the nightside near-Earth magnetotail where energetic particle injections can frequently occur during magnetic substorms; both internal and surface discharging events are possible during those events. In the later part of the mission, the apogee of the trajectory moves into the solar wind, which is usually not a hostile environment to the vehicle. After nine months, SMART-1 will be inserted into a polar orbit around the Moon. When moving into the optical shadow of the Moon, the spacecraft may assume quite negative potentials, up to a few hundreds of volts if the Moon is in the solar wind, and up to several thousands of volts if the Moon is in the distant magnetotail.
机译：SMART-1任务的主要目标是测试太空中电动推进发动机的性能。在最初的六个月中，卫星将进入内部磁层，在辐射带中花费相当长的时间，而相对论粒子会在辐射带中对车辆造成严重的内部损坏。当在该区域之外时，航天器将主要在夜间近地磁尾移动，在磁暴期间经常会发生高能粒子注入。在这些事件中，内部事件和表面放电事件都是可能的。在任务的后期，轨迹的顶点会移动到太阳风中，而太阳风通常不是车辆的敌对环境。九个月后，SMART-1将被插入绕月球的极地轨道。当进入月球的光学阴影时，航天器可能会呈现相当负的电位，如果月球在太阳风中，则可能高达数百伏；如果月球在遥远的磁尾中，则可能会高达数千伏。

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