International Earth Rotation and Reference Systems Service
Also known as formerly: International Earth Rotation Service · IERS
The IERS provides data on Earth orientation, on the International Celestial Reference System/Frame, on the International Terrestrial Reference System/Frame, and on geophysical fluids. It maintains also Conventions containing models, constants and standards.
Getting access
Open access Open
- How to apply
- Not yet verified — we don’t publish a route we haven’t checked.
Summarised from a registry — the exact application route is not yet verified.
About this database
| Website | https://www.iers.org/IERS/EN/Home/home_node.html |
|---|---|
| Subjects | Natural Sciences · Physics · Geosciences (including Geography) · Astrophysics and Astronomy · Geophysics and Geodesy |
| Last updated | 2026-09-12 |