perigee altitude

The orbit injection parameters and firing attitude that affected velocity increment for orbital acquisition were presented. The relationships between the velocity increment and orbit semimajor axis, perigee altitude, inclination, and perigee argument were simulated.

给出了影响卫星定点捕获所需速度增量的入轨轨道参数和点火姿态等因素，并仿真计算了轨道半长轴、近地点高度、倾角和近地点幅角与速度增量的关系。

Then space target environment are analyzed, including scatter cross section, cycle distribution, inclination distribution, eccentricity distribution, perigee altitude, apogee altitude, and Semi-major axis.

接着重点对空间目标环境进行了分析，从散射截面积、周期分布、偏心率分布、倾角分布、近地点远地点高度和半长轴等多个方面进行了归纳总结。