1. Long-period comets as a tracer of the Oort cloud structure

   • Marc Fouchard
   • Vacheslav Emel’yanenko
   • Arika Higuchi

   Original Article 02 September 2020 Article: 43

   

2. Impact probability computation of near-Earth objects using Monte Carlo line sampling and subset simulation

   • Matteo Romano
   • Matteo Losacco
   • Pierluigi Di Lizia

   Original Article Open access 27 August 2020 Article: 42

   

3. Transfers from distant retrograde orbits to low lunar orbits

   • Ruikang Zhang
   • Yue Wang
   • Chen Zhang

   Original Article 25 August 2020 Article: 41

   

4. Orbit determination for standard-like maps: asymptotic expansion of the confidence region in regular zones

   • Stefano Marò

   Original Article 13 August 2020 Article: 40