Jason-1 Satellite To Return To Service in Lower Orbit

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Jason-1 Satellite To Return To Service in Lower Orbit

机译：Jason-1卫星将在较低轨道返回服务

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The U.S.-French Jason-1 ocean-altimetry satellite, which was put into a safe-hold mode on March 3 after an on-board failure, is expected to return to service May 4 in a lower orbit, program managers said April 26. The new orbit of 1,323.4 kilometers in altitude - some 12.6 kilometers lower than the former position - will permit ground controllers to operate Jason-1 until it fails completely, as this altitude is considered low enough to serve as a graveyard orbit, officials said. The lower position means Jason-1 will not clutter the more-useful operational orbit in the event it fails without warning.

机译：项目经理说，美国-法国的Jason-1海洋高空卫星在机载故障后于3月3日进入安全等待状态，预计将于5月4日在较低的轨道重新投入使用。官员说，新的1,323.4公里高的轨道-比以前的位置低约12.6公里-将允许地面管制员操作Jason-1直到其完全失效，因为该高度被认为足以充当墓地轨道。较低的位置意味着Jason-1不会在没有警告的情况下发生故障，不会使更有用的运行轨道杂乱无章。

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《Space news》 |2012年第17期|p.3|共1页
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Jason-1 Satellite To Return To Service in Lower Orbit

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