source code of sat orbit

卫星轨道方面的知识，卫星轨道姿态动力学与控制-Knowledge of satellite orbit, the satellite attitude and orbit dynamics and control

本程序源码包括确定轨道的sgp4源码和精度更高的sgp8源码，适合追求高精度使用.-This program tracks sgp4 source code include the identification of source and accuracy of higher sgp8 source code, suitable for the pursuit of high-precision using.

根据卫星的轨道跟参数计算中低轨道卫星的轨道(calculate the orbit of LEO or MEO satellite)