Neptune's mass distribution

Details Neptune's mass distribution Neptune's mass distribution

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aiaa.conf..619v&link_type=abstract

IN: 1992 AIAA/AAS Astrodynamics Conference, Hilton Head Island, SC, Aug. 10-12, 1992, Technical Papers (A92-52051 22-13). Washin

Astronomy and Astrophysics

Astronomy

Geodesy, Mass Distribution, Neptune (Planet), Planetary Mass, Flyby Missions, Neptune Atmosphere, Planetary Cores, Trajectory Analysis, Voyager 2 Spacecraft

Scientific paper

The purpose of this paper is to present an estimate of the internal mass distribution of the Outer, Gas Giant Planet, Neptune, based on small trajectory variations in the trajectory of the Voyager 2 Spacecraft during the August 25, 1989 flyby. The Voyager 2 results suggest that the outer layers of Neptune are in rotational equilibrium and hence are not solid. It is assumed that the density of Neptune is continuous, i.e., no sudden phase changes. Neptune appears to be somewhat denser than a purely primordial gas mixture would imply - it has been enriched in heavy elements. Since Uranus is virtually a twin to Neptune, these results apply to Uranus as well.

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