档案库 · 太空 · 机器人 · 国防 · 战略决策 · 2018–2026
太空一号三连败：日本民营火箭仍未入轨
太空一号的小型随需火箭三次失败；日本首次民营轨道发射仍未实现。
Space One
做的是什么生意
Japanese private commercial space company: develops the small rocket KAIROS, operates Japan's first private launch site Space Port Kiho (Space Port 纪伊), and provides orbital launch services for small satellites.
起因
Space One was established in 2018 with investment from Canon Electronics, IHI Aerospace, and other companies. The company built Japan's first private rocket launch site, Space Port Kiho, in Kushimoto, Wakayama Prefecture, and developed the small rocket KAIROS, targeting the rapid-orbit-insertion market for 150–250 kg-class small satellites; if successful, it would become the first Japanese private company to put a satellite into orbit with its own rocket.
经过
In March 2024, KAIROS Flight 1 exploded in midair seconds after liftoff (triggered by a self-destruct command). On December 18 of the same year, Flight 2, carrying 5 small satellites, lifted off; about 1 minute and 20 seconds later, nozzle drive control became abnormal and the vehicle's center of gravity became imbalanced, and about 3 minutes later the flight was terminated; President Toyota Masakazu said, 'We do not treat this as a failure; the data are nourishment for the next challenge.' On March 5, 2026, Flight 3 lifted off after three postponements due to weather and launch pad problems, then immediately had an attitude anomaly; the company judged that the mission could not be completed and triggered a flight termination, marking the third consecutive failure.
结果
Still progressing after three straight failures: the company has disclosed the failure causes and continues to develop the next rocket, but the goal of 'the first Japanese private company to put a satellite into orbit' has still not been achieved.
背景
Space One成立于2018年，由佳能电子和IHI 航空航天支持，开发KAIROS火箭并运营Space Port 纪伊。它提供150-250公斤卫星的快速随需发射，目标是成为日本首家实现轨道发射的民营企业。
但遭遇失败：2024年3月1号机爆炸；2024年12月2号机终止；2026年3月3号机终止。原因各异：推力偏差、传感器假信号、静电干扰。
公司坚持，称失败为“养分”。截至2026年9月，正在开发下一枚火箭，但首次轨道发射的里程碑仍未达成；市场依然存在，但时间表延后。
这件事要成立，得有什么
- 小型卫星数量激增，但日本缺乏快速、廉价的民营轨道发射能力；Space One押注这一时间差。
- 自建Space Port 纪伊，将发射从国家设施排期转为商业服务；这是与传统路径的不同之处。
- 佳能电子、IHI 航空航天等产业资本投资，使其有资金和供应链支持反复试错。
- 连败三次后仍公开原因并继续推进，表明公司押注长期市场而非单次成败。
可借鉴之处
行业支持和基础设施不能降低工程门槛；初创公司必须为多次失败做预算。
后续进展
截至2026年9月，Space One在三次失败后继续运营。2026年8月30日，公司公布3号机原因：静电导致通信故障，触发飞行终止。1号机为推力偏差；2号机为传感器假信号。公司仍以日本首次民营轨道发射为目标，但尚未公布新的发射日期。
资料来源
- 民間ロケット「カイロス3号機」飛行中断の原因は「静電気」 開発企業が会見
- 日本商业航天固体火箭发射三连败
- Japanese space startup's second satellite launch attempt ends in failure
- 「ノズルの駆動制御に異常」カイロス2号機、打ち上げ失敗…「次の挑戦に向けての糧」
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