日本航空航天探索局第八枚H3火箭于2025年12月17日星期三在鹿儿岛县种子岛宇宙中心的发射被中止。该火箭搭载内阁府的Michibiki No.5定位卫星，用于日本版的全球定位系统。
日本航空航天探索局（JAXA）原计划于2025年12月17日从鹿儿岛县种子岛宇宙中心发射其第八枚H3火箭，但任务被中止。该火箭旨在搭载内阁府的Michibiki No.5定位卫星，这是日本准天顶卫星系统（QZSS）的重要组成部分，用于增强全球定位服务。
目前尚未公布中止的具体原因。H3火箭作为JAXA下一代主力火箭，在之前的发射中取得了成功，并致力于提高可靠性。种子岛宇宙中心是日本的主要发射场，已从那里发射了众多卫星和探测器。
此次延误可能推迟Michibiki No.5的部署，该卫星支持高精度定位，这对灾害响应和自动驾驶车辆等应用至关重要。JAXA预计将迅速解决问题并重新安排发射。
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