BackForward Variable: Earth Rotation

Full name Earth Rotation
Definition Rotation velocity of the Earth, determining the length of the day - Physical unit: [Rad/s] - Accuracy unit: [Arcsec/century].
Measuring Units Rad/s Uncertainty Units Arcsec/century
Horizontal Res Units Vertical Res Units
Stability Units Arcsec/century (Stability /decade)


Comment: Note: this definition does not address the motion of the pole (precession)
Last modified:
Applied in OSCAR/Space Gap Analysis: No
  • Domain: Terrestrial
    • Sub-domain: Solid Earth and magnetic field
      • Variable: Earth Rotation
        • Measured in Layers:
  • Cross-cutting themes:
  • Used in Application Areas:

Requirements defined for Earth Rotation  (0)

This tables shows all related requirements. For more operations/filtering, please consult the full list of Requirements
Note: In reading the values, goal is marked blue, breakthrough green and threshold orange

Id Variable Layer App Area Uncertainty Stability / decade Hor Res Ver Res Obs Cyc Timeliness Coverage Conf Level Val Date Source