The fifth Ceres-1S launch vehicle (谷神星一号海射型遥五, Ceres-1S Y5) launched the “Huai xu fei tang” mission (槐序绯棠), four Tianqi satellites (Tianqi-34 ~ 37, 天启星座34-37 ), from a sea platform located near the Shandong Province, China, on 19 May 2025, at 07:38 UTC (15:38 local time). According to official sources, the satellites have entered the planned orbits and are part of the Tianqi Constellation (天启星座).
