Ephemeris trail

http://www.astrosurf.com/jephem/astro/ephemeris/et000_en.htm
http://www.naughter.com/aa.html
http://www.projectpluto.com/jpl_eph.htm
http://www.projectpluto.com/source.htm
http://www.moshier.net/aadoc.html
http://www.freevbcode.com/ShowCode.asp?ID=464
ftp://ftp.imcce.fr/pub/ephem/planets/vsop87/
http://www.tig12.net/spip/Astronomy-programs.html