卫星轨道代码

clear;clc;
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%==============定义卫星轨道参数===================%
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a=6880.140e+3;                                                                  %%轨道半长轴
e=0.003;                                                                        %%轨道扁率
%Orbit_i=97.423*pi/180;                                                          %%轨道倾角
Orbit_i=0*pi/180; 
Upw=-60*pi/180;                                                                 %%升交点赤经
Nearw=160*pi/180;                                                               %%近地点幅角
Ta=0;                                                                           %%假定为起始时刻（卫星飞经近地点时刻），为绝对时间，这里取相对时刻为0
T0=0;                                                                           %%假设地球自转过春分点的时刻
Mui=3.986e14;                                                                   %%为常数，用于计算卫星运行周期     
Tp=2*pi*sqrt（a^3/Mui）;