Mass-radius relationships in icy satellites

Details Mass-radius relationships in icy satellites Mass-radius relationships in icy satellites

Nov 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979icar...40..157l&link_type=abstract

Icarus, vol. 40, Nov. 1979, p. 157-170.

Astronomy and Astrophysics

Astronomy

30

Astronomical Models, Gas Giant Planets, Ice, Icy Satellites, Natural Satellites, Planetary Mass, Planetary Structure, Callisto, Density (Mass/Volume), Europa, Ganymede, Moments Of Inertia, Planetary Composition, Rhea (Astronomy), Silicates, Titan

Scientific paper

Using published laboratory data for H2O ice, a modeling technique was developed by which the bulk density, density and temperature profile, rotational moment of inertia, central pressure, and location of the rock-ice interface can all be obtained as a function of the radius, the heliocentric distance, and the silicate composition. Models of the interiors of Callisto, Ganymede, Europa, Rhea, and Titan are given, consistent with present mass and radius data. The radius and mass of spheres of ice under self-gravitation for two different temperature classes are given (103 and 77 deg K). Measurements of mass, radius and I/MR2 by spacecraft can be interpreted by this model to yield substantial information about the internal structure and the ice/rock ratio of the icy satellites of Jupiter and Saturn.

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