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神舟十一号明日对接天宫二号 航天员状态良好

2016-10-18 02:57:09   京华时报

“火箭飞行正常!”“跟踪正常!”

“遥测信号正常!”

……

来自各测控网点的数据源源不断地汇聚到中心。各种数据、曲线不断闪烁,北京时间、任务时间、飞行时间不断跳跃。

载人航天,人命关天。飞船飞行的每一秒都关系到航天员的生命安危。

中心神舟十一号总体主任设计师胡国林形容自己是坐在“火山口”执行任务。此刻,他正在严密监视着飞船和航天员的各项指标状态。

“逃逸塔分离!”——这意味着火箭和飞船越过了最为危险的上升段前两分钟。胡国林终于松了一口气。为了这短短的时间,他们应急救生方案就做了几十个,目的只有一个:确保航天员的绝对安全。

“助推器分离”“整流罩分离”……伴随着一连串熟悉的口令,火箭飞出大气层。

很快,飞船迎来属于它的重要时刻——船箭成功分离。

透过飞控大厅的液晶显示屏可以看到,神舟十一号美丽的身影独自遨游在深蓝色太空。

此刻,任务“接力棒”从酒泉卫星发射中心交到了北京航天飞行控制中心手中,他们将继续为航天员保驾护航。

船箭分离后的第14秒,上行控制岗位的工程师费江涛向神舟十一号飞船发送了第一条入轨指令。从他指尖发出的每一条指令,关系着飞船的每一次姿态调整、每一次变轨,也将引领着飞船的九天赴约之旅。

“帆板展开正常!”费江涛发出的指令得到了响应——神舟十一号飞船张开蓝色的“翅膀”,吮吸着太阳的能量。

与此同时,轨道室工程师张宇正带领同事们与时间赛跑。他们要在5分钟内精确计算出飞船的初始轨道参数。而这组参数,也将是判断飞船是否发射成功的唯一依据。

很快,张宇给出了答案。

“神舟十一号飞船进入预定轨道。”

飞控大厅里掌声响起。

飞行进展

  需要5次导引控制首次实施已获成功

记者从北京航天飞行控制中心获悉,17日中午12点56分,在中心科技人员精确控制下,神舟十一号飞船成功实施第一次远距离导引控制,抬高了近地点高度。截至目前,神舟十一号飞船工况正常,航天员状态良好。

据北京航天飞行控制中心副总工程师孙军介绍,为牵引飞船追赶万里之外的天宫二号,中心需要对飞船进行5次远距离导引控制。首先,中心要抬高飞船的近地点高度,之后对轨道面进行修正,然后再

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