1. Disintegration process of hierarchical triple systems. I. Small-mass planet orbiting equal-mass binary

   • M. M. Saito
   • K. Tanikawa
   • V. V. Orlov

   Original Article 25 January 2012 Pages: 235 - 251

2. Unified State Model theory and application in Astrodynamics

   • V. Vittaldev
   • E. Mooij
   • M. C. Naeije

   Original Article Open access 03 February 2012 Pages: 253 - 282

3. Bodily tides near spin–orbit resonances

   • Michael Efroimsky

   Original Article 02 March 2012 Pages: 283 - 330

4. High-order expansion of the solution of preliminary orbit determination problem

   • Roberto Armellin
   • Pierluigi Di Lizia
   • Michele Lavagna

   Original Article 14 February 2012 Pages: 331 - 352