1. Publisher's announcement

   Announcement Pages: v - v

2. The motion of major planets from observations 1769–1988 and some astronomical constants

   • G. A. Krasinsky
   • E. V. Pitjeva
   • L. I. Chunayeva

   OriginalPaper Pages: 1 - 23

3. On symmetrical planetary corotations

   • S. Ferraz-Mello
   • M. Tsuchida
   • J. C. Klafke

   OriginalPaper Pages: 25 - 45

4. Newtonian and relativistic periodic orbits around two fixed black holes

   • G. Contopoulos
   • H. Papadaki

   OriginalPaper Pages: 47 - 85

5. A multi-spiral set of solutions of a 3-D Hamiltonian system

   • B. Barbanis

   OriginalPaper Pages: 87 - 98

6. The use of the “SPACEKAP” style file for delivering manuscripts in LaTeX

   OriginalPaper Pages: 99 - 100

7. Specifications concerning names, designations, and nomenclature for astronomical radiation sources outside the Solar System

   OriginalPaper Pages: 101 - 104