Use of cookies
Cookies help us to provide our services. By using our website you agree that we can use cookies. Read more about our Privacy Policy and visit the following link: Privacy Policy
How was the CEO defined?
The CEO was located on the true (CIP) equator of J2000.0 at a point 2.012 mas from the ICRS prime meridian (consistent the conventional definition of the Earth Rotation Angle), at right ascension 00h 00m 00s.00013416 in the ICRS.