TLE文件格式详细说明和SGP4轨道预报的开源实现，包括C++、Matlab、FORTRAN、Python等语言

包含资源： 1423987Kelso.pdf 6USR-SSW-S7.2.pps AIAA-2006-6753.pdf AIAA-2006-6753.pps AIAA-2006-6753.zip AIAA-2008-6770(SGP4 Orbit Determination).pdf AIAA-2008-6770(SGP4 Orbit Determination).zip AMOS-2010.pdf AstroSoftware.xlsx BookChap6Scenarios.zip cpp.zip datalib.zip fortran.zip matlab.zip python-SGP4.txt spacetrk-fortran.zip spacetrk.pdf 参考celestrak.com.txt 有关轨道确定.txt