Module pnp

Source
Expand description

Precession, nutation, polar motion

Functions§

bi00
frame bias components, IAU 2000
bp00
frame bias and precession matrices, IAU 2000
bp06
frame bias and precession matrices, IAU 2006
bpn2xy
c2i00a
celestial−to−intermediate matrix, IAU 2000A
c2i00b
celestial−to−intermediate matrix, IAU 2000B
c2i06a
celestial−to−intermediate matrix, IAU 2006/2000A
c2ibpn
celestial−to−intermediate matrix, given NPB matrix, IAU 2000
c2ixy
celestial−to−intermediate matrix, given X,Y, IAU 2000
c2ixys
c2t00a
celestial−to−terrestrial matrix, IAU 2000A
c2t00b
celestial−to−terrestrial matrix, IAU 2000B
c2t06a
celestial−to−terrestrial matrix, IAU 2006/2000A
c2tcio
form CIO−based celestial−to−terrestrial matrix
c2teqx
form equinox−based celestial−to−terrestrial matrix
c2tpe
celestial−to−terrestrial matrix given nutation, IAU 2000
c2txy
celestial−to−terrestrial matrix given CIP, IAU 2000
eo06a
equation of the origins, IAU 2006/2000A
eors
fw2m
fw2xy
Fukushima−Williams angles to X,Y
ltp
long−term precession matrix
ltpb
long−term precession matrix, including ICRS frame bias
ltpecl
long−term precession of the ecliptic
ltpequ
long−term precession of the equator
num00a
nutation matrix, IAU 2000A
num00b
nutation matrix, IAU 2000B
num06a
nutation matrix, IAU 2006/2000A
numat
form nutation matrix
nut00a
nut00b
nutation, IAU 2000B
nut06a
nut80
nutation, IAU 1980
nutm80
nutation matrix, IAU 1980
obl06
obl80
mean obliquity, IAU 1980
p06e
precession angles, IAU 2006, equinox based
pb06
zeta,z,theta precession angles, IAU 2006, including bias
pfw06
pmat00
precession matrix (including frame bias), IAU 2000
pmat06
PB matrix, IAU 2006
pmat76
precession matrix, IAU 1976
pn00
bias/precession/nutation results, IAU 2000
pn00a
bias/precession/nutation, IAU 2000A
pn00b
bias/precession/nutation, IAU 2000B
pn06
bias/precession/nutation results, IAU 2006
pn06a
bias/precession/nutation results, IAU 2006/2000A
pnm00a
classical NPB matrix, IAU 2000A
pnm00b
classical NPB matrix, IAU 2000B
pnm06a

pnm80
precession/nutation matrix, IAU 1976/1980
pom00
pr00
IAU 2000 precession adjustments
prec76
accumulated precession angles, IAU 1976
s00
the CIO locator s, given X,Y, IAU 2000A
s00a
the CIO locator s, IAU 2000A
s00b
the CIO locator s, IAU 2000B
s06
s06a
the CIO locator s, IAU 2006/2000A
sp00
xy06
CIP, IAU 2006/2000A, from series
xys00a
CIP and s, IAU 2000A
xys00b
CIP and s, IAU 2000B
xys06a
CIP and s, IAU 2006/2000A