1. André Deprit 1926–2006

   • Jacques Henrard

   Preface 11 April 2007 Pages: 1 - 3

2. Dynamics of two satellites in the 2/1 Mean–Motion resonance: application to the case of Enceladus and Dione

   • N. Callegari Jr.
   • T. Yokoyama

   Original Article 05 April 2007 Pages: 5 - 30

3. Approximate analysis for relative motion of satellite formation flying in elliptical orbits

   • Fanghua Jiang
   • Junfeng Li
   • Hexi Baoyin

   Original Article 06 April 2007 Pages: 31 - 66

4. General solution of the Kozai mechanism

   • Hiroshi Kinoshita
   • Hiroshi Nakai

   Original Article Open access 05 April 2007 Pages: 67 - 74