1. Coupling between the spin precession and polar motion of a synchronously rotating satellite: application to Titan

   • Rose-Marie Baland
   • Alexis Coyette
   • Tim Van Hoolst

   Original Article 27 February 2019 Article: 11

   

2. Doubly symmetric periodic orbits around one oblate primary in the restricted three-body problem

   • Xingbo Xu

   Original Article 18 February 2019 Article: 10

   

3. The Lissajous–Kustaanheimo–Stiefel transformation

   • Slawomir Breiter
   • Krzysztof Langner

   Original Article Open access 15 February 2019 Article: 9

   

4. Evaluation of the spherical harmonic coefficients for the external potential of a polyhedral body with linearly varying density

   • Cheng Chen
   • Yongbing Chen
   • Shaofeng Bian

   Original Article 04 February 2019 Article: 8

   

5. A family of periodic orbits in the three-dimensional lunar problem

   • Edward Belbruno
   • Urs Frauenfelder
   • Otto van Koert

   Original Article 02 February 2019 Article: 7