Families of double symmetric “Schubart-like” periodic orbits Regina Martínez Original Article 09 August 2013 Pages: 217 - 243
Recursive computation of mutual potential between two polyhedra Masatoshi HirabayashiDaniel J. Scheeres Original Article 23 August 2013 Pages: 245 - 262
On the planar motion in the full two-body problem with inertial symmetry Pamela WooArun K. MisraMehdi Keshmiri Original Article 01 September 2013 Pages: 263 - 277
On optimal two-impulse Earth–Moon transfers in a four-body model Francesco Topputo Original Article 30 August 2013 Pages: 279 - 313
Non-integrability of the dumbbell and point mass problem Andrzej J. MaciejewskiMaria PrzybylskaWojciech Szumiński Original Article Open access 03 September 2013 Pages: 315 - 330