Results 161 to 170 of about 554 (200)
Recent improvements of the Saturnian satellites atlases: Mimas, Enceladus, and Dione
Planetary and Space Science, 2013 The Cassini Imaging Science Subsystem (ISS) acquired many high-resolution images (
T Roatsch, E Kersten, K -D Matz
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Numerical exploration of resonant dynamics in the system of Saturnian major satellites
Planetary and Space Science, 2010 We numerically investigate the long-term dynamics of the Saturnian system by analyzing the Fourier spectra of ensembles of orbits taken around the current orbits of Mimas, Enceladus, Tethys, Rhea and Hyperion.
N Callegari
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Shapes of the saturnian icy satellites and their significance
Icarus, 2007The sizes and shapes of six icy saturnian satellites have been measured from Cassini Imaging Science Subsystem (ISS) data, employing limb coordinates and stereogrammetric control points. Mimas, Enceladus, Tethys, Dione and Rhea are well described by triaxial ellipsoids; Iapetus is best represented by an oblate spheroid.
P C Thomas +2 more
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Jovian and Saturnian satellites
Reviews of Geophysics, 1987The years 1983‐1987 follow mankind's epochal first spacecraft encounters with the giant planets Jupiter and Saturn. Possibly the most spectacular “discoveries” there were the diversity and level of geological activity on the satellites that circle each.
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The lens feature on the inner saturnian satellites
Icarus, 2014Abstract We have modeled an electron precipitation pattern expected on Mimas, Tethys, and Dione, using two different approaches. In the first approach, we adapt a previously developed model to compute an integrated energy flux into the surfaces of Mimas, Tethys, and Dione. This is a guiding-center, bounce-averaged model.
Paranicas, C. +14 more
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Impact cratering history of the Saturnian satellites
Journal of Geophysical Research: Solid Earth, 1985The impact crater flux history of the Saturnian system has been estimated based on observed crater density data from the satellite surfaces, cratering data for the terrestrial planets, and theory. The proposed cratering flux has an history similar to that for the inner solar system: an initial very high cratering rate which exponentially decayed during
J. B. Plescia, J. M. Boyce
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Albedo and color maps of the Saturnian satellites
Icarus, 1990The paper discusses the production of maps of the albedos and colors of Mimas, Enceladus, Tethys, Dione, and Rhea over the full range of their imaged surfaces. Voyager images were used to prepare maps of the normal reflectances and color ratios (0.58/0.41 micron) of these satelites.
Bonnie J. Buratti +2 more
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The dynamics of the Saturnian satellites 1980S1 and 1980S3
Icarus, 1981Abstract The orbits of the Saturnian satellites 1980S1 and 1980S3 have approximately the same semimajor axes, but the difference in longitude librates between values of approximately +6° and −6° in 3000 days. Thus the satellites never approach extreme proximity and the orbits appear to be stable for extended periods of time.
R.S. Harrington, P.K. Seidelmann
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Modeling Issues Concerning Motion of the Saturnian Satellites
The Journal of the Astronautical Sciences, 1999A study is performed to find the minimum-order model that can achieve an accuracy of 1 km in the dynamic propagation of the Saturnian satellites over a period of four years. The need for such an investigation has risen out of recent advances in the accuracy of orbit determination techniques that are to be used in the Cassini mission.
Steven G. Tragesser, James M. Longuski
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