Determination of the earth’s pole of rotation from laser range observations to satellites
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The methods of using earth satellites for determining the motion of the earth’s axis of rotation and of the earth’s principal axis of maximum inertia are discussed.
Some simple formulae are also presented for evaluating the influence of various error sources in the orbital calculations on the pole coordinates and these offer some explanations of the frequencies found in the spectrum of the pole coordinates obtained by Anderle and Beuglass (1970). Initial calculations with existing laser data were attempted but the results were quite unsatisfactory due to the poor distribution of the data along the orbit. Some conclusions have however been drawn from these calculations that may be useful for future studies when better distributed data becomes available.
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