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2.入月轨道机动“辉夜姬”经过如图7所示的入月轨道机动,最终进入高100公里、倾角90度的圆形对月观测轨道。第一次近月点时,启动第一次入月轨道机动(LOI-1),使探测器进入近月点100公里、远月点12000公里的椭圆轨道,其远月点高度的选取考虑了轨道稳定性、机动效率以及随后机动过程的可见性。第二次和第三次入月轨道机动(LOI-2和LOI-3)使卫星远月点高度降低至2400公
2. Into the moon orbital maneuver “Kei night Ji ” After entering the lunar orbit maneuver shown in Figure 7, and finally into the 100 km high, 90 degree angle of the moon orbit observation track. When the first moon is near, LOI-1 is launched for the first time so that the detector enters the elliptical orbit at a distance of 100 km in recent months and 12,000 km in a distant month. Orbital stability, maneuvering efficiency and the subsequent visibility of the maneuvering process. The second and third lunar orbit maneuvers (LOI-2 and LOI-3) reduced the moon’s long-range point to 2400 km