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Polar Motion Information

Click here for the Naval Observatory file and an explanation of terms.

Date:
2017-07-21

Current polar motion values:
x = 0.1983
y = 0.4291

Current Prediciton Equation Coefficients:
x0 = 0.1200
x1 = 0.1022
x2 = 0.0898
x3 = -0.0314
x4 = -0.0144
y0 = 0.3577
y1 = 0.0862
y2 = -0.0868
y3 = -0.0144
y4 = 0.0314
Julian Offset: 57955