卫星互联网低轨19组卫星成功发射

Core Viewpoint - The successful launch of 19 low Earth orbit satellites for satellite internet by China on January 19, 2023, marks a significant advancement in the country's commercial space capabilities and satellite technology [1] Group 1: Launch Details - The launch was conducted using the Long March 12 rocket at the Hainan commercial space launch site, achieving a successful mission with the satellites entering their designated orbits [1] - The Long March 12 rocket is a new generation of cryogenic liquid launch vehicle developed by the China Aerospace Science and Technology Corporation, with a near-Earth orbit carrying capacity of no less than 12 tons and a 700 km sun-synchronous orbit capacity of no less than 6 tons [1] - This launch represents the 628th mission of the Long March series of rockets [1] Group 2: Satellite Technology - The 19 satellites were developed by Galaxy Space, featuring core technologies such as phased array, millimeter-wave antennas, integrated electronics, and energy systems aimed at reducing costs [1] - The development process of this batch of satellites achieved a fully digital workflow for the first time, incorporating automated testing, intelligent assembly and inspection, and optimized launch site processes to significantly enhance efficiency [1]