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中国首艘货运飞船天舟一号受控离轨 进入大气层烧毁

2017-09-23 08:06:38   新华网

原标题:我国首艘货运飞船受控离轨进入大气层烧毁

新华社北京9月22日电(李国利、邓孟)9月22日18时左右,天舟一号货运飞船在完成空间实验室阶段任务及后续拓展试验后受控离轨再入大气层。

在测控通信系统的精确控制和密切监视下,天舟一号经两次制动,轨道高度不断下降,最后进入大气层烧毁。在此之前,天舟一号按计划完成了多项拓展应用和相关试验,地面科技人员对其飞行状况进行科学评估后,决策实施离轨。

天舟一号是我国自主研制的首艘货运飞船,4月20日发射入轨后与天宫二号空间实验室自动交会对接形成组合体,在经过2个月的组合体飞行后,6月19日完成绕飞和交会对接,于6月21日撤离天宫二号转入独立飞行阶段。

任务期间,天舟一号先后验证了空间站货物补给、推进剂在轨补加、自主快速交会对接等一系列重要关键技术,为我国空间站研制建设和运营管理积累了重要经验。

早前报道

“天舟一号”货运飞船计划择机受控离轨

中新网9月22日电中国载人航天工程官方网站今日发布《关于天舟一号受控离轨的通告》,称按照飞行任务安排,在轨运行的天舟一号货运飞船已圆满完成全部飞行计划和拓展试验任务,计划于北京时间2017年9月22日至23日择机受控离轨。

资料图:中国自主研制的首艘货运飞船“天舟一号”成功发射升空。赵彦勋摄

天舟一号是中国研制的首艘货运飞船,采用两舱构型,由货物舱和推进舱组成,总长10.6米,舱体最大直径3.35米,太阳帆板展开后最大宽度14.9米,起飞重量约13吨,物资上行能力约6吨,补加推进剂的最大能力为2.1吨,具备独立飞行3个月的能力,具有与天宫二号空间实验室交会对接、实施推进剂在轨补加、开展空间科学实验和技术试验等重要功能。

天舟一号货运飞船于2017年4月20日发射入轨,至今已稳定运行5个月,期间按程序开展了一系列空间科学实验和应用技术试验,先后验证了空间站货物补给、推进剂在轨补加、自主快速交会对接等重要关键技术,为中国空间站研制建设和运营管理积累了重要经验。

责任编辑:陈倩 CN030
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