A database of planar axisymmetric periodic orbits for the Solar system Ricardo L. RestrepoRyan P. Russell Original Article 11 July 2018 Article: 49
Symmetries and choreographies in families that bifurcate from the polygonal relative equilibrium of the n-body problem Renato CallejaEusebius DoedelCarlos García-Azpeitia Original Article 06 July 2018 Article: 48
Bounded relative motions for formation flying in displaced orbits by low-thrust propulsion Xiao PanMing XuYunfeng Dong Original Article 06 July 2018 Article: 47
Long-term capture orbits for low-energy space missions Stefano CarlettaMauro PontaniPaolo Teofilatto Original Article 06 July 2018 Article: 46
The Sitnikov problem for several primary bodies configurations Gastón BeltrittiFernando MazzoneMartina Oviedo Original Article 21 June 2018 Article: 45
On the energy integral for first post-Newtonian approximation Joseph O’LearyJames M. HillJames C. Bennett Original Article 20 June 2018 Article: 44