China Spacesat(SH:600118) Xin Lang Cai Jing·2025-12-20 15:01Core Viewpoint - China successfully launched the Communication Technology Test Satellite No. 23 using the Long March 5 rocket, marking a significant achievement in satellite communication technology validation [1][3]. Group 1: Launch Details - The launch took place at 20:30 Beijing time on December 20 at the Wenchang Space Launch Site [1]. - The Long March 5 rocket, developed by China Aerospace Science and Technology Corporation, is the most powerful model in the Long March series, with a core diameter of 5 meters and a total thrust exceeding 1,000 tons [3]. - This mission represents the 10th launch of the Long March 5 rocket and the 618th flight of the Long March series [3]. Group 2: Satellite Purpose - The Communication Technology Test Satellite No. 23 is primarily designed to conduct multi-band, high-speed satellite communication technology verification [1].