1. On the motion of a satellite in resonance with its rotating planet

   • A. S. Sochilina

   OriginalPaper Pages: 337 - 352

2. Integrals of motion in the elliptic three-dimensional restricted three-body problem

   • E. Sarris

   OriginalPaper Pages: 353 - 360

3. On the secular decrease in the semimajor axis of Lageos's orbit

   • David Parry Rubincam

   OriginalPaper Pages: 361 - 382

4. On the symmetric difference quotient and its application to the correction of orbits

   • R. A. Serafin

   OriginalPaper Pages: 383 - 393

5. The gravitational field of a disk

   • Fred T. Krogh
   • Edward W. Ng
   • William V. Snyder

   OriginalPaper Pages: 395 - 405

6. Numerical stabilization of Keplerian motion

   • K. Zare

   OriginalPaper Pages: 407 - 412

7. A comparison of the Bohlin-von Zeipel and Bohlin-Lie series methods in resonant systems

   • A. H. Jupp

   OriginalPaper Pages: 413 - 422

8. Differential correction for near-stationary satellites

   • L. G. Taff
   • J. M. Sorvari

   OriginalPaper Pages: 423 - 431