1. Symmetries in the Optimal Control of Solar Sail Spacecraft

   • M. Kim
   • C. D. Hall

   OriginalPaper Pages: 273 - 293

2. Satellite Relative Motion Using Differential Equinoctial Elements

   • Dong-Woo Gim
   • Kyle T. Alfriend

   OriginalPaper Pages: 295 - 336

3. Canonical Modelling of Relative Spacecraft Motion Via Epicyclic Orbital Elements

   • N. Jeremy Kasdin
   • Pini Gurfil
   • Egemen Kolemen

   OriginalPaper Pages: 337 - 370

4. Generalized Problem of Two and Four Newtonian Centers

   • Alexey V. Borisov
   • Ivan S. Mamaev

   OriginalPaper Pages: 371 - 380

5. Orbit of an Astrometric Binary System

   • Pascal Descamps

   OriginalPaper Pages: 381 - 402