日本H3火箭发射发动机提前关机，正在确定具体情况

Core Viewpoint - The H3 rocket No. 8 was launched successfully from the Tanegashima Space Center, carrying the "Mitsubishi 5" satellite, although the second stage engine burned out earlier than planned, and the situation is currently being assessed [1] Group 1: Launch Details - The H3 rocket No. 8 was launched on December 22 at 10:51 AM local time [1] - The launch was initially scheduled for December 7 but was delayed due to an anomaly in the inertial measurement component of the second stage [1] - A subsequent attempt to launch on December 17 was aborted due to an issue with the cooling water injection equipment just before ignition [1]