地球-火星发射机会搜索并做出著名的猪排图（porkchop图）。内有教程（英文），非常清楚。另外我也将星历文件de421.bin整合进去了。可以直接运行。
资源文件列表
atan3.m , 534
gdate.m , 899
getdate.m , 754
glambert.m , 13753
jd2str.m , 556
jplephem.m , 15643
julian.m , 1151
kepler1.m , 2030
keycheck.m , 122
license.txt , 1311
mme2000.m , 1225
orb2eci.m , 1615
p2000.m , 521
pcfunc.m , 842
porkchop.m , 9245
porkchop.pdf , 2214779
porkchop/atan3.m , 534
porkchop/c3l_dla.eps , 743746
porkchop/c3l_rla.eps , 766750
porkchop/c3l_tof.eps , 805377
porkchop/c3l_vinf.eps , 890595
porkchop/de421.bin , 13966960
porkchop/dvt_tof.eps , 703200
porkchop/gdate.m , 899
porkchop/getdate.m , 754
porkchop/glambert.m , 13753
porkchop/jd2str.m , 556
porkchop/jplephem.m , 15643
porkchop/julian.m , 1151
porkchop/kepler1.m , 2030
porkchop/keycheck.m , 122
porkchop/license.txt , 1311
porkchop/mme2000.m , 1225
porkchop/orb2eci.m , 1615
porkchop/p2000.m , 521
porkchop/pcfunc.m , 842
porkchop/porkchop.m , 9245
porkchop/porkchop.pdf , 2230340
porkchop/porkchop_mice.zip , 30441
porkchop/vinf_dla.eps , 5857727
porkchop/vinf_rla.eps , 502197
porkchop_mice.zip , 30441