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Publications Influence

A granular flow model for dense planetary rings

- N. Borderies, P. Goldreich, S. Tremaine
- Physics
- 1 September 1985

We study the viscosity of a differentially rotating particle disk in the limiting case where the particles are densely packed and their collective behavior resembles that of a liquid. The pressure… Expand

97 10

Unsolved problems in planetary ring dynamics

- N. Borderies, P. Goldreich, S. Tremaine
- Physics
- 1984

Voyager photographic data are used for microscopic and macroscopic analyses of the dynamics of the Saturn rings. Attention is given to particle collisions, local velocity dispersion, the particle… Expand

63 8

A simple derivation of capture probabilities for the J+1:J and J+2:J orbit-orbit resonance problems

- N. Borderies, P. Goldreich
- Physics
- 1 February 1984

We present a simplified analytic derivation of the capture probabilities for the j+1∶j and j+2∶j orbital resonances. We apply Henrard's method which is based on an extension of the theory of… Expand

86 8

THE DYNAMICS OF ELLIPTICAL RINGS

- N. Borderies, P. Goldreich, S. Tremaine
- Physics
- 1 October 1983

We investigate the evolution of eccentric rings under the influence of (1) differential precession due to the planetary quadrupole moment; (2) self-gravity; (3) viscous forces due to interparticle… Expand

52 6

Towards a theory for Neptune's arc rings

- P. Goldreich, S. Tremaine, N. Borderies
- Physics
- 1 August 1986

It is proposed that the incomplete rings of Neptune consist of a number of short arcs centered on the corotation resonances of a single satellite. The satellite must have a radius of the order of 100… Expand

62 5- PDF

Sharp edges of planetary rings

- N. Borderies, P. Goldreich, S. Tremaine
- Physics
- Nature
- 16 September 1982

The ring systems of Saturn and Uranus exhibit several sharp edges across which the optical depth drops from order unity to essentially zero. At least two and perhaps all of these features are… Expand

77 5

The eccentric Saturnian ringlets at 1.29 R(s) and 1.45 R(s)

- Carolyn Porco, P. Nicholson, +4 authors A. L. Lane
- Physics
- 1 October 1984

The shapes and kinematics of the two major eccentric ringlets in Saturn's C ring are studied in data acquired by four Voyager experiments: imaging science (ISS), radio science (RSS), ultraviolet… Expand

43 5

Nonlinear Density Waves in Planetary Rings

- N. Borderies, P. Goldreich, S. Tremaine
- Physics
- 1 December 1986

We discuss the steady-state structure of the nonlinear density waves generated in a planetary ring at the Lindblad resonances of a satellite. We show that strong density waves lead to an enhancement… Expand

45 5

Venus gravity and topography: 60th degree and order model

- A. S. Konopliv, N. Borderies, +5 authors J. Barriot
- Physics
- 5 November 1993

We have combined the most recent Pioneer Venus Orbiter (PVO) and Magellan (MGN) data with the earlier 1978–1982 PVO data set to obtain a new 60th degree and order spherical harmonic gravity model and… Expand

29 4

Phobos' gravity field and its influence on its orbit and physical librations

- N. Borderies, C. Yoder
- Physics
- 1 July 1990

A model describing the physical libration in longitude and latitude for Phobos is derived. The major effect is the well-known longitude variation with the anomalistic orbital period and amplitude.… Expand

27 4