Earth Oblateness in Terms of Satellite Orbital Periods

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Science  06 Feb 1959:
Vol. 129, Issue 3345, pp. 329-330
DOI: 10.1126/science.129.3345.329


A theoretical equation relating the earth's oblateness to the anomalistic and nodical periods and orbit parameters of an earth satellite is presented. In the absence of exact data on nodical periods, Vanguard prediction data are utilized to obtain a check calculation for the oblateness and to establish the validity of the method.

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