1. Transit and capture in the planar three-body problem leveraging low-thrust invariant manifolds

   • Andrew D. Cox
   • Kathleen C. Howell
   • David C. Folta

   Original Article 13 May 2021 Article: 22

   

2. A study of the 1/2 retrograde resonance: periodic orbits and resonant capture

   • M.H.M. Morais
   • F. Namouni
   • T. Kotoulas

   Original Article 06 May 2021 Article: 21

   

3. Low-fuel transfers from Mars to quasi-satellite orbits around Phobos exploiting manifolds of tori

   • Marc Jorba-Cuscó
   • Richard Epenoy

   Original Article 30 April 2021 Article: 20

   

4. Reducing inter-satellite drift of low Earth orbit constellations using short-periodic corrections

   • Tao Nie
   • Pini Gurfil

   Original Article 23 April 2021 Article: 19