UT1 Prediction Based on Long-Time Series Analysis

Victor Tissen; Alexander Tolstikov; Zinovy Malkin

doi:10.2478/v10018-010-0012-9

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UT1 Prediction Based on Long-Time Series Analysis

Artificial Satellites

Volume 45 (2010): Issue 2 (June 2010)

By: Victor Tissen, Alexander Tolstikov and Zinovy Malkin

Open Access

|Nov 2010

Abstract

A new method is developed for prediction of UT1. The method is based on construction of a general polyharmonic model of the Earth rotation parameters variations using all the data available for the last 80-100 years, and modified autoregression technique. A rigorous comparison of UT1 predictions computed at SNIIM with the prediction computed by IERS (USNO) in 2008-2009 has shown that proposed method provides better accuracy both for ultra-short and long term predictions.

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Articles in this issue

DOI: https://doi.org/10.2478/v10018-010-0012-9 | Journal eISSN: 2083-6104 | Journal ISSN: 1509-3859

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Language: English

Page range: 111 - 118

Published on: Nov 1, 2010

Published by: Polish Academy of Sciences, Space Research Centre

In partnership with: Paradigm Publishing Services

Publication frequency: 4 issues per year

Keywords:

Earth rotation,

Earth orientation parameters,

Universal time (UT1),

Related subjects:

© 2010 Victor Tissen, Alexander Tolstikov, Zinovy Malkin, published by Polish Academy of Sciences, Space Research Centre
This work is licensed under the Creative Commons License.

Volume 45 (2010): Issue 2 (June 2010)