航天飞机第十次飞行的一项主要任务是发射美国西联公司的“西联星-6”和印尼的“统一B-2”通信卫星。2月3日,宇航员首先从航天飞机货舱中送出了西联星-6,但卫星只进入了远地点1382公里、近地点334公里的低椭圆轨道,距静止转移轨道甚远。为此,本应在翌日发射的统一B-2,只好推迟到6日发 One of the major missions of the shuttle’s tenth flight was the launching of the Western Union-6 satellite of the United States and the “Unified B-2” communications satellite in Indonesia. On February 3, astronauts first delivered Western Union Star-6 from space shuttle cargo space, but the satellites only entered a low-elliptical orbit with a distance of 1,382 km at apogee and 334 km at apogee, far away from the still transfer orbit. For this reason, Unity B-2, which should have been launched on the following day, had to be postponed until the 6th