H3火箭第八次发射12月22日二级故障

继12月17日发射中止后,日本JAXA于2025年12月22日从种子岛宇宙中心发射了第八枚H3火箭,但二级发动机过早关机后暂停了直播。该火箭搭载内阁府的引路5号卫星,用于日本准天顶卫星系统(QZSS)。

日本JAXA的第八枚H3火箭于2025年12月22日上午从鹿儿岛县种子岛宇宙中心升空,此前于12月17日发射中止。搭载载荷为内阁府的引路5号卫星,用于增强日本QZSS以实现精确全球定位。

任务初期进展顺利,但二级发动机比计划提前停止燃烧。JAXA中断直播,正在评估异常情况,调查工作正在进行。

作为H2A的继任者,H3旨在降低成本并提高可靠性,但已遭遇多次挫折,包括本次事件。预计很快将有进一步更新,同时对该计划的可靠性仍存疑问。

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