Saturn's ring-plane crossings in August and November 1995: Evidence for a moonlet belt?

Details Saturn's ring-plane crossings in August and November 1995: Evidence for a moonlet belt? Saturn's ring-plane crossings in August and November 1995: Evidence for a moonlet belt?

Aug 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cr2...327..865p&link_type=abstract

Comptes Rendus de l'Academie des Sciences Paris, Serie II b, vol. 37, p. 865.

Physics

Optics

Saturn, Planetary Rings, Collision, Accretion

Scientific paper

We analyze observations made in August and November 1995 during the Earth and Sun crossings of Saturn's ring plane, respectively. The observations combine data taken with the Adonis adaptive optics system of the European Southern Observatory (ESO) and images from the Hubble Space Telescope (HST). We report here the detections of four new objects (three in August, one in November) orbiting near, or within, the F ring of Saturn. Our measurements combined with those of Nicholson et al. (1996) improve the determination of the orbital parameters of two of these objects. We propose that they are clouds of regolith ejecta resulting from collisions between large particles, or ``parent bodies" within the F ring, the whole of these bodies thus forming a kind of moonlet belt.

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