1. J₂ Invariant Relative Orbits for Spacecraft Formations

   • Hanspeter Schaub
   • Kyle T. Alfriend

   OriginalPaper Pages: 77 - 95

2. Symmetries and Bifurcations in the Sitnikov Problem

   • Lidia Jiménez-Lara
   • Adolfo Escalona-Buendía

   OriginalPaper Pages: 97 - 117

3. Existence and Stability of Libration Points in the Restricted Three-Body Problem When the Primaries are Triaxial Rigid Bodies

   • Ravinder Kumar Sharma
   • Z. A. Taqvi
   • K. B. Bhatnagar

   OriginalPaper Pages: 119 - 133

4. Perihelion Shift in the Reissner-Nordstroem Field

   • Evangelos Chaliasos

   OriginalPaper Pages: 135 - 144

5. The Existence and Stability of Equilibrium Points in the Robe’s Restricted Three-Body Problem

   • P. P. Hallan
   • Neelam Rana

   OriginalPaper Pages: 145 - 155