正文

“天问一号”探测器完成第二次轨道中途修正

记者从国家航天局获悉:2020年9月20日 23时,在我国首次火星探测任务飞行控制团队控制下,天问一号探测器4台120N发动机同时点火工作20秒,顺利完成第二次轨道中途修正,并在轨验证了120N发动机的实际性能。

截至目前,天问一号已在轨飞行60天,距离地球约1900万千米,飞行路程约1.6亿公里,探测器各系统状态良好,地面测控通信各中心和台站跟踪正常。

中途修正一般是指在探测器飞行过程中,对各种原因导致的轨道偏离进行修正,使探测器更贴近理论轨道飞行。天问一号发射入轨和第一次中途修正的精度很高,本次修正量很小。

(来源:国家航天局)

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编辑:soul

责任编辑:崔翠 许小仙

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