MODELLING THE EARTH'S ROTATION  
Tabulated models for the Earth orientation / rotation parameters variations
Useful constants | IERS Conventions | Tidal variations in LOD

Compilation done by Ch. Bizouard (Observatoire de Paris) and
Laura Fernandez (Facultad de Ciencias Astronomicas y Geofisicas La Plata Argentina).

Send your comments to christian.bizouard[at]obspm.fr.
Permanent improvements and adds
Earth rotation component
  • Tidal gravitational
  • Oceanic forcing
  • Atmospheric forcing
  • Empirical astrometric models forcing (moon-sun-planets)
NUTATIONS (> 2 days) click-here
(nutation models)
POLAR MOTION AND ITS EFFECTS (pole tide,...)

from 6 hours to 100 years		 click-here
UT1 / LOD

from 100 years to 6 hours		 click-here
Useful constants in geodesy, gravimetry, physics, astronomy : click here
IERS CONVENTIONS
IERS CONVENTIONS CENTER
IERS CONVENTIONS 1996
IERS CONVENTIONS 2003
Astronomical and geophysical models with associated softwares :
SOFA: Standards of Fundamental Astronomy (Astronomical Sofware packages recommanded by IAU)