科技日报：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 using the Long March 12 rocket marks a significant advancement in China's commercial space capabilities [1] Group 1: Launch Details - The Long March 12 rocket was launched from the Hainan commercial space launch site at 15:48 on January 19 [1] - The mission was successful, with the satellites entering their designated orbits [1] Group 2: Rocket Specifications - The Long March 12 is a new generation of cryogenic liquid launch vehicle developed by the China Aerospace Science and Technology Corporation's Eighth Academy [1] - It is China's first 4-meter single-core launch vehicle, with a near-Earth orbit carrying capacity of no less than 12 tons and a 700-kilometer sun-synchronous orbit capacity of no less than 6 tons [1] - The rocket can adapt to different mission requirements with fairing configurations of 4.2 meters and 5.2 meters in diameter, supporting both single and multiple satellite launches [1] Group 3: Satellite Technology - The 19 low Earth orbit satellites were developed by Galaxy Space, which focuses on cost-effective technologies such as phased array, millimeter-wave antennas, and integrated electronics [1] - The company achieved a fully digital process for the first time during the development, enhancing efficiency through automated testing, intelligent assembly, and launch site process optimization [1]