人民网北京10月28日电（赵竹青）记者从国家航天局获悉，2020年10月28日22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8台25N发动机同时点火工作，顺利完成第三次轨道中途修正，并在轨标定了25N发动机的实际性能。
实施第三次轨道中途修正，是为了在深空机动后，对转移轨道再次进行微量调整，使火星探测器按照预定时间与火星交会。
截至目前，天问一号已在轨飞行97天，距离地球约4400万千米，飞行路程约2.56亿千米，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。
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探测器调姿示意图（国家航天局供图图片：李贵良）
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探测器深空机动轨道示意图（国家航天局供图图片：李贵良）
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探测器深空机动轨道示意图（国家航天局供图图片：李贵良）