What are the 5 Earth Orientation parameters?
For the Earth's rotation, the essential variables can be considered to be the five Earth orientation parameters (EOPs), namely, the x- and y-components of polar motion (xp, yp), the x- and y-components of nutation/precession (X, Y), and the spin parameter UT1.
What is EOP data?
Exchange Online Protection (EOP) is the cloud-based filtering service that protects your organization against spam, malware, and other email threats. EOP is included in all Microsoft 365 organizations with Exchange Online mailboxes.
What are Earth rotation parameters?
The Polar Motion (PM) and Length Of Day (LOD) as Earth Rotation Parameters (ERPs) are used to describe the Earth's rotation.