1. Editorial Note

   Editorial Introduction Pages: 263 - 263

2. A New Solution Assessment Approach and Its Application to Space Geodesy Data Analysis

   • X. Hu
   • C. Huang
   • X. Liao

   OriginalPaper Pages: 265 - 278

3. Global Bifurcations of Periodic solutions of the Hill Lunar Problem*

   • A.J. Maciejewski
   • S.M. Rybicki

   OriginalPaper Pages: 279 - 297

4. Rotating Stratified Heterogeneous Oblate Spheroid in Newtonian Physics

   • E.P. Esteban
   • S. Vazquez

   OriginalPaper Pages: 299 - 312

5. Perturbations of the Kepler Problem in Global Coordinates: A Program

   • Bruno Cordani
   • Giorgio Merlini

   OriginalPaper Pages: 313 - 319

6. Stable Orbits of Planets of a Binary Star System in the Three-Dimensional Restricted Problem

   • Roger A. Broucke

   OriginalPaper Pages: 321 - 341

7. Instructions for Authors

   • J. Henrard

   Instructions for Authors Pages: 343 - 348

8. Contents Volume 81

   Volume Contents Pages: 349 - 350