长十二火箭成功发射卫星互联网低轨19组卫星

Group 1 - The Long March 12 rocket successfully launched 19 low-orbit satellite internet satellites into their designated orbits on January 19, marking a successful mission [1] - The Long March 12 rocket, developed by China Aerospace Science and Technology Corporation's Eighth Academy, supports both single and multiple satellite launches, with a near-Earth orbit carrying capacity of no less than 12 tons and a 700 km synchronous orbit capacity of no less than 6 tons [2] - The launch team has optimized technical areas and testing projects at the launch site to improve efficiency, reducing the launch cycle by 4 days, demonstrating high efficiency in testing and launching [4] Group 2 - The Long March 12 rocket has undergone structural optimizations to enhance its carrying capacity, including improvements to the transition section, fuel gas pipelines, and cable lengths, resulting in reduced weight and simplified assembly operations [4] - This launch marks the 628th mission of the Long March series of launch vehicles [7]