This program computes the orbital positions of planetary bodies and performs rigorous coordinate reductions to apparent geocentric and topocentric place (local altitude and azimuth). It also reduces star catalogue positions given in either the FK4 or FK5 system. Most of the algorithms employed are from The Astronomical Almanac (AA) published by the U.S. Government Printing Office.

aa102.ini
aa118i.ini
aa200.c
aa200.exe
aa200.ini
aa200.rsp
aa245.ini
aa400.ini
aa403.ini
aa404.ini
aa405.ini
aa406.ini
aa408_bsp.ini
aa421_bsp.ini
altaz.c
angles.c
annuab.c
BC45.ZIP
BCB5.ZIP
constel.c
de102.h
de118ia.ans
de118i.ans
de118i.h
de118i.que
de200.ans
de200cd.h
de200.h
de200.que
de245.h
de400.h
de403.h
de404.h
de405.h
de406.h
de408_bsp.h
de421_bsp.h
deflec.c
deltat.c
diurab.c
diurpx.c
dms.c
eph.ans
EPHS.ZIP
epsiln.c
fk4fk5.c
kep.h
kepi.c
kepj.c
kepjpl.c
kfiles.c
lightt.c
lonlat.c
makefile
mconf.h
messier.cat
moonjpl.c
msc.mak
MSVC5.ZIP
MSVC6.ZIP
nutate.c
oparams.c
orbit.cat
pctomot.c
precess.c
protos.h
read_bsp_de408.txt
read.me
READ.ME2
READ.ME2~
readme.aa
readme.bsp
refrac.c
revtime.c
rotate.c
rplanet.c
rstar.c
set3.c
sidrlt.c
star1950.cat
star.cat
sun.c
tdb.c
testpo.c
trnsit.c
turboc.mak
unix.mak
vearth.c
x200.c
zatan2.c

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