Gravitoelectrodynamics in Saturn s F ring: encounters with Prometheus and Pandora
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چکیده
منابع مشابه
Gravitoelectrodynamics in Saturn’s F ring: encounters with Prometheus and Pandora
The dynamics of Saturn’s F ring have been a matter of curiosity ever since Voyagers 1 and 2 sent back pictures of the ring’s unusual features. Some of these images showed three distinct ringlets with the outer two displaying a kinked and braided appearance. Many models have been proposed to explain the braiding seen in these images; most of these invoke perturbations caused by the shepherding m...
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Observations of the November 1995 Sun crossing of the Saturn’s ring-plane made with the 3.6m CFH telescope, using the UHAO adaptive optics system, are presented here. We report the detection of four arcs located in the vicinity of the F ring. They can be seen one day later in HST images. The combination of both data sets gives accurate determinations of their orbits. Semimajor axes range from 1...
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We revisit the dynamics of Prometheus and Pandora, two small moons flanking Saturn’s F ring. Departures of their orbits from freely precessing ellipses result from mutual interactions via their 121:118 mean motion resonance. Motions are chaotic because the resonance is split into four overlapping components. Orbital longitudes were observed to drift away from predictions based on Voyager epheme...
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Introduction: Saturn’s E ring is the second largest planetary ring in the solar system, encompassing the icy satellites of Mimas (rM = 3.07RS), Enceladus (rE = 3.95RS), Tethys (rT = 4.88RS), Dione (rD = 6.25RS), Rhea (rR = 8.73R), and Titan (rR = 20.25RS). Enceladus was proposed early on as the dominant source of ring particles [1], since the edge-on brightness profile peaks near the moon’s mea...
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We present a new stationary, asymptotically flat solution of 5D EinsteinMaxwell gravity describing a Saturn-like black object: a rotating black hole surrounded by a rotating dipole black ring. The solution is generated by combining the vacuum black Saturn solution and the vacuum black ring solution with appropriately chosen parameters. Some basic properties of the solution are analyzed and the ...
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ژورنال
عنوان ژورنال: Journal of Physics A: Mathematical and General
سال: 2003
ISSN: 0305-4470,1361-6447
DOI: 10.1088/0305-4470/36/22/349