Core Points - The Japan Aerospace Exploration Agency (JAXA) experienced an anomaly during the launch of the H3 rocket, with the second-stage engine stopping its burn prematurely, raising concerns about the satellite's ability to reach its intended orbit [1][3] - The mission was intended to deploy the Michibiki-5 satellite, which serves as Japan's version of GPS, but faced multiple delays due to previous technical issues [1][3] Group 1 - The H3 rocket is a two-stage, expendable liquid-fueled rocket, measuring approximately 57 meters in length and weighing around 422 tons, designed to be the backbone of Japan's space transportation for the next 20 years [3] - The initial launch attempt on March 7, 2023, also failed due to the second-stage engine not igniting, attributed to an anomaly in the power system [3] Group 2 - JAXA had previously identified the cause of the recent failure and implemented countermeasures, leading to the decision to attempt the launch again on December 22 [3] - The rocket was moved to the launch pad on the evening of December 21 and completed final preparations for the launch [3]
日本H3火箭二级发动机提前关机，卫星情况未知
Guan Cha Zhe Wang·2025-12-22 03:33