The Shape of Io from Galileo Limb Measurements
Icarus
By: P.C. Thomas, M. E. Davies, T.R. Colvin, J. Oberst, Peter Schuster, G. Neukum, M. H. Carr, A. McEwen, G. Schubert, and M. J. S. Belton
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Abstract
Galileo CCD images of the limb of Io provide improved data for determining the shape of this synchronously rotating satellite. The best ellipsoidal fit is within 0.3 km of the best equilibrium fit of 1829.7, 1819.2, 1815.8 km. The shape is consistent with substantial mass concentration in a core and with gravity measurements from tracking of the Galileo spacecraft. The surface of Io is largely plains and isolated peaks, with little long-wavelength topography over 1 km in amplitude. ?? 1998 Academic Press.
Suggested Citation
Thomas, P., Davies, M.E., Colvin, T., Oberst, J., Schuster, P., Neukum, G., Carr, M.H., McEwen, A., Schubert, G., and Belton, M.J., 1998, The Shape of Io from Galileo Limb Measurements: Icarus, v. 135, no. 1, p. 175-180, https://doi.org/10.1006/icar.1998.5987.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The Shape of Io from Galileo Limb Measurements |
| Series title | Icarus |
| DOI | 10.1006/icar.1998.5987 |
| Volume | 135 |
| Issue | 1 |
| Year Published | 1998 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Icarus |
| First page | 175 |
| Last page | 180 |