1. Four Classical Methods for Determining Planetary Elliptic Elements: A Comparison

   • Alessandra Celletti
   • Gabriella Pinzari

   Special Report Pages: 1 - 52

2. Laplacian Orbit Determination and Differential Corrections

   • Richard L. Branham Jr.

   OriginalPaper Pages: 53 - 68

3. Effect of Planetary Eccentricity on Ballistic Capture in the Solar System

   • Christian Circi
   • Paolo Teofilatto

   OriginalPaper Pages: 69 - 86

4. Families of Asymmetric Periodic Orbits in Hill’s Problem of Three Bodies

   • Michel Hénon

   OriginalPaper Pages: 87 - 100

5. Additions to the Theory of the Rotation of Europa

   • Jacques Henrard

   OriginalPaper Pages: 101 - 112

6. Analytical Solutions of Love Numbers for a Hydrostatic Ellipsoidal Incompressible Homogeneous Earth

   • Marianne Greff-Lefftz
   • Laurent Métivier
   • Hilaire Legros

   OriginalPaper Pages: 113 - 146

7. Collinear Central Configuration in Four-Body Problem

   • Tiancheng Ouyang
   • Zhifu Xie

   OriginalPaper Pages: 147 - 166

8. A Non-Planar Circular Model for the 4/7 Resonance

   • M. Šidlichovský

   OriginalPaper Pages: 167 - 185

9. Analytical Approach to the Secular Behaviour of Exoplanetary Systems

   • Anne-Sophie Libert
   • Jacques Henrard

   OriginalPaper Pages: 187 - 200

10. A High Order Perturbation Analysis of the Sitnikov Problem

    • Johannes Hagel
    • Christoph Lhotka

    OriginalPaper Pages: 201 - 228

11. Comparison between Different Models of Galactic Tidal Effects on Cometary Orbits

    • Marc Fouchard
    • Christiane Froeschlé
    • Giovanni Valsecchi

    OriginalPaper Pages: 229 - 262

12. Symmetric and Asymmetric Librations in Planetary and Satellite Systems at the 2/1 Resonance

    • George Voyatzis
    • John D. Hadjidemetriou

    OriginalPaper Pages: 263 - 294

13. An Algebraic Method to Compute the Critical Points of the Distance Function Between Two Keplerian Orbits

    • Giovanni F. Gronchi

    OriginalPaper Pages: 295 - 329

14. Motion On the Sphere: Integrability and Families of Orbits

    • Despina Voyatzi
    • Simos Ichtiaroglou

    OriginalPaper Pages: 331 - 342

15. Second Species Periodic Orbits of the Elliptic 3 Body Problem

    • Sergey Bolotin

    OriginalPaper Pages: 343 - 371

16. Book Review: Methods of Celestial Mechanics. Volume I: Physical, Mathematical and Numerical Principles; Volume II; Application to Planetary System, Geodynamics and Satellite Geodesy by Gerhard Beutler, Leos Mervart and Andreas Verdun, Springer Verlag, Berlin/Heidelberg, 2005.

    • Véronique Dehant

    OriginalPaper Pages: 373 - 374

17. Contents Volume 93

    OriginalPaper Pages: 375 - 376