1. GOCE: The Earth Gravity Field by Space Gradiometry

   • Alberta Albertella
   • Federica Migliaccio
   • Fernando Sansó

   OriginalPaper Pages: 1 - 15

2. Symmetries and Rank Deficiency in the Orbit Determination Around Another Planet

   • Claudio Bonanno
   • Andrea Milani

   OriginalPaper Pages: 17 - 33

3. The Rotation of Europa

   • Richard Greenberg
   • Gregory V. Hoppa
   • B.R. Tufts

   OriginalPaper Pages: 35 - 47

4. Resonant Fly-by Missions to Near Earth Asteroids

   • Ettore Perozzi
   • Lorenzo Casalino
   • Giovanni B. Valsecchi

   OriginalPaper Pages: 49 - 62

5. Analysis of the Space Debris Impacts Risk on the International Space Station

   • G. B. Valsecchi
   • A. Rossi

   OriginalPaper Pages: 63 - 76

6. On the Stability of the Terrestrial Planets as Models for Exosolar Planetary Systems

   • R. Dvorak
   • Á. Süli

   OriginalPaper Pages: 77 - 95

7. Generalized Averaging Principle and the Secular Evolution of Planet Crossing Orbits

   • Giovanni Federico Gronchi

   OriginalPaper Pages: 97 - 120

8. Probing the Nekhoroshev Stability of Asteroids

   • Massimiliano Guzzo
   • Zoran Knežević
   • Andrea Milani

   OriginalPaper Pages: 121 - 140

9. Resonant Periodic Motion and the Stability of Extrasolar Planetary Systems

   • John D. Hadjidemetriou

   OriginalPaper Pages: 141 - 154

10. Stability in the Full Two-Body Problem

    • D. J. Scheeres

    OriginalPaper Pages: 155 - 169

11. Geometry of Chaos in Models of Stellar Dynamics

    • Guido Ciraolo
    • Marco Pettini

    OriginalPaper Pages: 171 - 190

12. Order and Chaos in Self-Consistent Galactic Models

    • G. Contopoulos
    • N. Voglis
    • C. Kalapotharakos

    OriginalPaper Pages: 191 - 204

13. On the Relationship Between Fast Lyapunov Indicator and Periodic Orbits for Continuous Flows

    • Marc Fouchard
    • Elena Lega
    • Claude Froeschlé

    OriginalPaper Pages: 205 - 222

14. Effective Hamiltonian for the D'Alembert Planetary Model Near a Spin/Orbit Resonance

    • Luca Biasco
    • Luigi Chierchia

    OriginalPaper Pages: 223 - 237

15. A Systematic Study of the Stability of Symmetric Periodic Orbits in the Planar, Circular, Restricted Three-Body Problem

    • Alessandra Celletti
    • Andrea Chessa
    • Giovanni Battista Valsecchi

    OriginalPaper Pages: 239 - 255

16. Estimate of the Transition Value of Librational Invariant Curves

    • Alessandra Celletti
    • Gabriella Della Penna
    • Claude Froeschlé

    OriginalPaper Pages: 257 - 274

17. Ideal Resonance Problem: the Post-Post-Pendulum Approximation

    • S. Ferraz-Mello

    OriginalPaper Pages: 275 - 289

18. The Web of Periodic Orbits at L ₄

    • Jacques Henrard

    OriginalPaper Pages: 291 - 302

19. Long-Term Stability Analysis of Quasi Integrable Degenerate Systems Through the Spectral Formulation of the Nekhoroshev Theorem

    • Massimiliano Guzzo

    OriginalPaper Pages: 303 - 323

20. How the Method of Minimization of Action Avoids Singularities

    • C. Marchal

    OriginalPaper Pages: 325 - 353

21. Non-Existence of the Modified First Integral by Symplectic Integration Methods II: Kepler Problem

    • Haruo Yoshida

    OriginalPaper Pages: 355 - 364