1. The Orbital Perturbation Environment for the COBRA and COBRA Teardrop Elliptical Constellations

   • Paul Cefola
   • John E. Draim
   • David W. Carter

   OriginalPaper 23 August 2020 Pages: 111 - 129

2. Keeping a Spacecraft on the Sun-Earth Line

   • Carlos M. Roithmayr
   • Linda Kay-Bunnell

   OriginalPaper 23 August 2020 Pages: 131 - 146

3. Effects of Orbit Variations and J₂ Perturbations on a Class of Earth-Orbiting Interferometric Observatories

   • Islam I. Hussein
   • Daniel J. Scheeres

   OriginalPaper 23 August 2020 Pages: 147 - 166

4. MixTeam Scheduling Algorithms: Application to Space-Based Interferometric Observatories

   • Venkatesh G. Rao
   • Pierre T. Kabamba

   OriginalPaper 23 August 2020 Pages: 167 - 183

5. A Simple Derivation of the Gauss-Bonet Theorem

   • Ranjan Mukherjee
   • Malcolm D. Shuster

   OriginalPaper 23 August 2020 Pages: 185 - 191

6. Relating Position Uncertainty to Maximum Conjunction Probability

   • Salvatore Alfano

   OriginalPaper 23 August 2020 Pages: 193 - 205

7. Navigation Accuracy Guidelines for Orbital Formation Flying

   • J. Russell Carpenter
   • Kyle T. Alfriend

   OriginalPaper 23 August 2020 Pages: 207 - 219