China Spacesat(SH:600118) Zhong Guo Xin Wen Wang·2025-09-05 10:55Core Viewpoint - China successfully launched the experimental satellite No. 29 using the Long March 3B rocket and the YZ-1 upper stage, marking a significant achievement in space exploration and technology testing [1][2]. Group 1: Launch Details - The launch took place on September 5 at 10:34 AM Beijing time from the Xichang Satellite Launch Center [1]. - The experimental satellite No. 29 is primarily used for space environment detection and related technology experiments [1]. Group 2: Rocket Specifications - The Long March 3B rocket/YZ-1 upper stage is a four-stage rocket composed of a basic stage and an upper stage, developed by the China Aerospace Science and Technology Corporation [2]. - This mission marks the 20th launch of the Long March 3B rocket and the 592nd flight of the Long March series rockets [2]. - The Long March 3B rocket, along with the Long March 3A and 3C rockets, forms the Long March 3 series [2]. Group 3: Technological Advancements - The mission utilized a new generation of generalized ground measurement and control systems for the first time, significantly reducing the number of ground measurement and control equipment required at the launch site [2].