IERS Rapid Service Prediction Center (IERS RS/PC)

Earth Orientation Parameters Division, US Naval Observatory

Year Month   Day Hour Min   Secs
Enter a start date and time (UTC):
Enter a stop date and time (UTC):
Number of desired intervals

Choose any of these desired input variations:
  Include Diurnal and Sub-Dirurnal Tides:
  Include Celestial Pole Offsets:
  Include Librations:
  Enter the MJD on which the finals2000A.daily file
  was created: If no MJD is entered, then the most
  recent file will be used:

Choose any of the desired intermediate matrix output quantities in
addition to the default terrestrial to celestial transformation output:
  Polar Motion:   ERA:

References   Version #   Utilities  Acknowledgments   Validation   EO matrix calculator and leap seconds
What is the Earth Orientation Matrix?
Send questions or comments to ser7 at
(Please put 'EO Matrix Calculator' in part of Subject line.