Polar motion and earth tides from laser tracking

Author:

Abstract

The tracking of near-Earth satellites with laser systems permits the determination of the variation of latitude of the tracking station and the variation in the rotation of the Earth. The present-day capability of a single station is approximately 75 cm in latitude averaged over 6h and 0.8 ms in the length of day. When the Laser Geodynamics Satellite (Lageos) is launched, a network of laser stations is projected to be able to achieve better than 10 cm in each coordinate from less than one day of tracking. The perturba­tions of near-Earth satellites by solid Earth and ocean tides are now measurable and can provide new information about the Earth and oceans. The orbit perturbations have long periods (days, months) and the analysis of orbital changes are providing estimates of the amplitudes and phases of the major tidal components.

Publisher

The Royal Society

Subject

General Engineering

Cited by 11 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Review and critical analysis of mass and moments of inertia of the LAGEOS and LAGEOS II satellites for the LARASE program;Advances in Space Research;2016-05

2. Observational Determinations of the Earth's Rotation;Gravity and Low-Frequency Geodynamics;1989

3. Earth tides;Reviews of Geophysics;1979

4. Dynamic satellite geodesy;Reviews of Geophysics;1979

5. Polar motion and Earth rotation;Reviews of Geophysics;1979

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