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日本宇宙开发事业团于1977年12月15日用美国德尔它2914火箭发射了第一颗通信卫星(CS),12月24日定点在东经135度的静止轨道上。这是一颗自旋稳定卫星,重350公斤,呈圆筒形,卫星本体以圆筒中心轴为轴,每分钟旋转90转,消旋天线在同一轴上以同一速度沿反方向旋转(消旋),使天线指向一定方向。卫星入轨后由宇宙开发事业团对卫星进行了初始
The Japan Space Development Agency launched its first communications satellite (CS) on December 15, 1977, using the 2914 rocket of the U.S. deltat. It was fixed on a stationary orbit at 135 degrees east on December 24. This is a spin-stable satellite, weighing 350 kilograms, was cylindrical, the main body of the satellite axis of the cylinder axis, rotating 90 minutes per minute, the same antenna in the same direction of rotation in the opposite direction of rotation Spin), so that the antenna points to a certain direction. After the satellite orbit into space by the Mission for the development of the universe satellite