日本导航卫星“引路5号”可能无法入轨

Core Viewpoint - The Japan Aerospace Exploration Agency (JAXA) launched an H3 rocket on December 22, but the second-stage engine burned out prematurely, potentially preventing the satellite from reaching its intended orbit [1] Group 1: Launch Details - The H3 rocket was launched at 10:51 AM local time (9:51 AM Beijing time) from the Tanegashima Space Center, carrying the sixth satellite of Japan's GPS system, "Mizuki 5" [1] - The second-stage engine stopped burning approximately three minutes earlier than planned, about 20 minutes after launch [1] Group 2: Mission Delays - The launch was originally scheduled for December 7 but was postponed due to an anomaly in the inertial measurement unit of the second-stage rocket [1] - On December 17, the launch was again halted due to an issue with the cooling water injection equipment [1]