日本导航卫星发射失败未进入预定轨道

Core Viewpoint - The Japanese government confirmed that the navigation satellite "Yinlu 5" launched on the 22nd failed to reach its intended orbit, marking another setback for Japan's domestic main launch vehicle, the H3 rocket, following its failure in March 2023 [1] Group 1: Launch Vehicle Performance - The H3 rocket, Japan's next-generation main launch vehicle, experienced its first failure in March 2023 due to an electrical system anomaly that prevented the second-stage rocket engine from igniting [1] - The H3 rocket has now faced two failures, which is a significant blow to Japan's space industry, especially when compared to the previous generation H2A rocket's 98% launch success rate [1]