NASA NTRS · 19890039129
Rotation of Hyperion. I - Observations
Abstract
Precise and well sampled observations of Hyperion over a long period of time have been performed to test the prediction of Wisdom et al. (1984) that the satellite is in a state of chaotic rotation. CCD data for a 13-week period were obtained in Chile and in Arizona. A phase-dispersion-minimization analysis of the light curve indicates that Hyperion is not in a periodic rotational state, thus suggesting that it is chaotic.
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Klavetter, James Jay. 1989-02-01. Rotation of Hyperion. I - Observations. https://ntrs.nasa.gov/citations/19890039129
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