China’s Ceres-1 Rocket Achieves Orbit with First Launch from Mobile Sea Platform Written 6 September 2023

Space News  reports that China’s Galactic Energy “conducted its first sea launch early Wednesday, also marking a ninth successive successful launch for the commercial company.” The Ceres-1 solid rocket “lifted off from a transport erector launcher on a mobile sea platform off the coast of Haiyang, Shandong province, at 5:34 a.m. Eastern (0934 UTC) Sept. 5.” Aboard were four satellites “for Guodian Gaoke, a commercial firm constructing its Tianqi low-Earth orbit narrow-band Internet of Things constellation.” The launch “carried Tianqi satellites 21-24, with the spacecraft targeting an 800-kilometer-altitude orbit.” The satellites are “equipped with chemical propulsion systems allowing orbital maneuvers. Guodian Gaoke has 21 satellites in orbit and aims to complete the 38-satellite constellation in 2024.”
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First sea launch of China's commercial CERES-1 rocket, August 2, 2023
(CGTN; YouTube)