The ZIPE Solution for the Earth’s Rotation Parameters and Some Accuracy Estimations

  • H. Montag
  • G. Gendt
Conference paper
Part of the International Association of Geodesy Symposia book series (IAG SYMPOSIA, volume 105)


The solution of the Central Institute for Physics of the Earth (ZIPE) for the realization of the terrestrial reference frame and the determination of the Earth’s rotation parameters (ERP) using satellite laser ranging data to LAGEOS of 1987 is presented. The data, constants, parameters, models and algorithms used are described. On the basis of comparisons with other solutions the accuracy of the ERP results of the ZIPE was estimated.

The accuracies obtained for the 5-d and 3-d solutions are about ±1.5 mas for the pole coordinates and ±0.1 ms for the length of day. The set of station coordinates was determined with an accuracy of about ±3 cm. A further improved accuracy in space and time can be expected by means of more accurate and better distributed data, and more sophisticated models.


Earth Rotation Satellite Laser Range Precise Orbit Determination Terrestrial Reference Frame Satellite Laser Range Data 
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Copyright information

© Springer-Verlag New York Inc. 1990

Authors and Affiliations

  • H. Montag
    • 1
  • G. Gendt
    • 1
  1. 1.Academy of Sciences of the GDRCentral Institute for Physics of the EarthPotsdamGermany

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