On the structure and composition of Uranus and Neptune

M. Podolak*, R. T. Reynolds

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We present a series of models of Uranus and Neptune in which the relative amounts of (1) rock, (2) ices, and (3) hydrogen and helium are allowed to vary. By fitting the density and the gravitational quadruppole moment, the model composition can be determined. Because of the ambiguity in the rotation periods of these planets, several possible models are presented and discussed.

Original languageEnglish
Pages (from-to)40-50
Number of pages11
Issue number1
StatePublished - Apr 1981
Externally publishedYes


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