Volume 381, Number 3, JanuaryIII 2002
|Page(s)||1059 - 1065|
|Section||Celestial mechanics and astrometry|
|Published online||15 January 2002|
Hyperion-Iapetus: Collisional relationships
Dipartimento di Astronomia, Università di Padova, Vicolo dell'Osservatorio 2, 35122 Padova, Italy
2 Dipartimento di Astronomia, Università di Padova, Vicolo dell'Osservatorio 2, 35122 Padova, Italy e-mail: email@example.com
3 Dipartimento di Fisica, Università di Pisa, piazza Torricelli 2, 56127 Pisa, Italy e-mail: firstname.lastname@example.org
4 Dipartimento di Fisica, Università di Pisa, piazza Torricelli 2, 56127 Pisa, Italy e-mail: email@example.com
Corresponding author: S. Marchi, firstname.lastname@example.org
Accepted: 25 October 2001
In this paper, we will deal with one of the most fascinating problems of the Solar System: the origin of the double face of Iapetus, where one half of the satellite is significantly brighter than the other. The “transfer of mass” process (see Marchi et al. [CITE]) may be a viable explanation for the visible dichotomy. In this process a satellite undergoes mass transfer from other satellites belonging to the same system. We analyze the pair Hyperion–Iapetus and suggest a possible explanation for the formation of the dark region, which is also known as Cassini Regio.
Key words: minor planets, asteroids / solar system: general
© ESO, 2002
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