1. Long-term evaluation of three-dimensional heliocentric solar sail trajectories with arbitrary fixed sail setting

   • J. C. Van Der Ha
   • V. J. Modi

   OriginalPaper Pages: 113 - 138

2. A note on the application of the von Zeipel method to degenerate Hamiltonians

   • Robert A. Howland Jr.

   OriginalPaper Pages: 139 - 145

3. Studies in the application of recurrence relations to special perturbation methods

   • A. Gordon Emslie
   • Ian W. Walker

   OriginalPaper Pages: 147 - 162

4. A simple, efficient starting value for the iterative solution of Kepler's equation

   • Gary R. Smith

   OriginalPaper Pages: 163 - 166

5. Relative equilibria and the virial theorem

   • Julian I. Palmore

   OriginalPaper Pages: 167 - 171

6. The virial-based solution for the velocity of gaseous sphere gravitational contraction

   • V. I. Ferronsky
   • S. A. Denisik
   • S. V. Ferronsky

   OriginalPaper Pages: 173 - 201

7. Analysis of mean elements of three U.S. Navy navigation satellites for the period 1974–1976

   • Bruce R. Bowman

   OriginalPaper Pages: 203 - 211