NATO Science Series C

I: Stars, Planets, Satellites, Asteroids and Rings.- The Dynamics of Close Planetary Satellites and Rings.- The Motion of Saturn's Co-Orbiting Satellites 1980S1 and 1980S3.- A Qualitative Study of Stabilizing and Destabilizing Factors in Planetary and Asteroidal Orbits.- Perturbations in Stellar Paths.- Modern Lunar Theory.- Some Aspects of Motion in the General Planar Problem of Three Bodies; In Particular in the Vicinity of Periodic Solutions Associated with Near Small-Integer Commensurabilities of Orbital Period.- The Stability of N-Body Hierarchical Dynamical Systems.- Reference Systems for Earth Dynamics.- II: Resonance.- Recent Progress in the Theory of the Trojan Asteroids.- The Adiabatic Invariants: Its Use in Celestial Mechanics.- III: Connection with Statistical Mechanics.- Modern and Old Views in the Dynamical Foundations of Classical Statistical Mechanics.- The KAM Invariant and Poincare's Theorem.- IV: Regularization and Geodesics.- Regularization of the Singularities of the N-Body Problem.- Les Geodesiques de l'Ellipsoide a Trois Axes Inegaux, d'Apres Jacobi, Whittaker, Arnold.- Coordonnees Symetriques sur la Variete de Collision Triple du Probleme Plan des Trois Corps.- V: Non-Linearity, Determinancy and Manifolds.- Ergodic Theory and Area Preserving Mappings.- Exploding Dynamical Systems.- On Some Invariant Manifold Results and Their Applications.- Is Celestial Mechanics Deterministic?.- VI: Abstracts of Seminar Contributions.- On a Family of Continuous Maps of the Circle into Itself Related to the Van der Pol Equation.- Review on Semiconvergent Series, Periodic Solutions and the Vanishing Hessian in Celestial Mechanics.- Perturbative Effects of Solar Radiation Pressure on the Orbital Motion of High Earth Satellites.- Quasi-Random Motions in a Perturbed Pendulum.- Small Bodies Captured by a Thin Annular Disk Orbiting Around a Primary Body.- Lie-Algebraic Methods in Dynamics and Celestial Mechanics.- Parabolic Escape and Capture in the Restricted Three-Body Problem for Larger Values of the Jacobi Constant.- Compatability Conditions for a Non-Quadratic Integral of Motion.- Contact Systems and Celestial Mechanics.- Dimensions of the Invariant Manifolds Associated with Equilibrium Points in the N-Body Problem.- On the Development of an Artificial Satellite Theory.- Motion at the Second Order Resonances, 3:1 and 5:3.- On the Applicability of the Transition Chains Mechanism.- Small Divisors in the Derivatives of Hansen's Coefficients.- Periodic Solutions of the Restricted Problem of Three Bodies with Small Values of the Mass Parameter.- Non-Universality for a Class of Bifurcations.- Application of Lie-Series to Numerical Integration in Celestial Mechanics.- Applications of Hamilton's Law of Varying Action.- Some Current Astrodynamics Developments at the North American Aerospace Defense Command (NORAD).- About the Triple Collision Manifold in the Planar Three-Body Problem.- Periodic Orbits Near Homoclinic Orbits.- Some Numerical Results of a Semi-Analytic Orbit Theory Using Observed Data.- Orbital Behaviour in the Vicinity of Unstable Periodic Orbits in Dynamical Systems with Three Degrees of Freedom.- On the Convergence of Formal Integrals in Finite Time.- A Numerical Study of the Asymptotic Solutions to the Family (C) of Periodic Orbits in the Restricted Problem of Three Bodies.- The Equivalence of the Generators of Deprit's and Giorgelli-Galgani's Change of Variables in Differential Systems.- Stabilization of Spiral Density Waves in Flat Galaxies for a Hydrodynamical Model.- Stability of Periodic Orbits Near a Homoclinic Orbit for Analytical Hamiltonians with Two Degrees of Freedom.- A Method for the Investigation of the Integrability of Dynamical Systems.- Reappearance of Ordered Motion in Classical Non-Integrable Hamiltonian Systems.- Hopf-Bifurcation in a Nearly Hamiltonian System.- A Realization of Dynamical Systems in Boolean Algebras.- Relativistic Astrodynamics: Problems in Interstellar Flight.- The Origin of the Kirkwood Gaps: A Mapping for Asteroidal Motion Near the 3/1 Commensurability.- Completely Integrable Systems and Singularity in the Complex t-Plane.- Index of Names.- Index of Subjects.