MeanPolarMotion (file format)

The mean pole of the Earth rotation is represented by a polynomial in a time interval.

<?xml version="1.0" encoding="UTF-8"?>
<groops type="meanPolarMotion" version="20200123">
  <meanPolarMotion>
    <intervalCount>2</intervalCount>
    <interval>
      <timeStart>42778.0000000000000000</timeStart>
      <degree>3</degree>
      <xp>5.59741000000000e-02</xp>
      <xp>1.82430000000000e-03</xp>
      <xp>1.84130000000000e-04</xp>
      <xp>7.02400000000000e-06</xp>
      <yp>3.46346000000000e-01</yp>
      <yp>1.78960000000000e-03</yp>
      <yp>-1.07290000000000e-04</yp>
      <yp>-9.08000000000000e-07</yp>
    </interval>
    <interval>
      <timeStart>55197.0000000000000000</timeStart>
      <degree>1</degree>
      <xp>2.35130000000000e-02</xp>
      <xp>7.61410000000000e-03</xp>
      <yp>3.58891000000000e-01</yp>
      <yp>-6.28700000000000e-04</yp>
    </interval>
  </meanPolarMotion>
</groops>