Reports

Masses of the Galilean Satellites of Jupiter

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Science  11 Jun 1976:
Vol. 192, Issue 4244, pp. 1127-1128
DOI: 10.1126/science.192.4244.1127

Abstract

Numerical data derived from the observation of the four great satellites of Jupiter are compared with the values obtained through Sampson's theory by using the new JPL (Jet Propulsion Laboratory) system of masses. It is not possible to fit the coefficient of the free oscillation in the longitude of Ganymede, whose argument is l3 - ω4 (the mean longitude of Ganymede referred to the proper apse of Callisto), and the mass of Callisto derived from the path of Pioneer 10.

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