摘要

<正>At II:26 Beijing time on September12,2019,liftoff of a LM-4B launch vehicle took place at the Taiyuan Satellite Launch Center,deploying into orbit 3satellites,including a 5-meter optical satellite ZY-1 02D satellite,an Ice-Pathfinder(also known as BNU-I) of Beijing Normal University and a Taurus I nanosat of Shanghai ASES Spaceflight Technology Co.Ltd.into sutn-sytnchrOonous orbits.The main passenger of this mission,