Overview

Geocentric Coordinate Time


'Geocentric Coordinate Time' can also refer to...

 

More Like This

Show all results sharing this subject:

  • Astronomy and Astrophysics

GO

Show Summary Details

Quick Reference

The time-scale used in the Geocentric Celestial Reference System, the unit of which is the SI second. TCG differs from Terrestrial Time because a clock on the Earth's surface is moving with respect to the geocentric frame and feels the gravitational field of the Earth. Terrestrial Time is in effect a conveniently scaled TCG that differs from International Atomic Time (TAI) only by a fixed offset. The rate difference between TCG and Terrestrial Time is about 22 ms per year.

Subjects: Astronomy and Astrophysics.


Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.