1. The Feasibility of Targeting Chaotic Regions in the GNSS Regime

   • Marielle M. Pellegrino
   • Daniel J. Scheeres
   • Brett J. Streetman

   Original Article 07 June 2021 Pages: 553 - 584

   

2. Design of High-Inclination Artificial Frozen Orbits Around Europa

   • Xuxing Huang
   • Shuang Li
   • Christian Circi

   Original Article 02 June 2021 Pages: 585 - 607

   

3. Exploring Long-Period Comets from Multiple Staging Orbits

   • Gabriel Prescinotti Vivan
   • Jennifer Hudson

   Original Article 20 July 2021 Pages: 608 - 641

   

4. Perturbed State-Transition Matrix for Spacecraft Formation Flying Terminal-Point Guidance

   • Yazan Chihabi
   • Steve Ulrich

   Original Article 06 July 2021 Pages: 642 - 676

   

5. Iterative Learning Control Inverse Problem Using Harmonic Frequency Filters

   • Jer-Nan Juang
   • Richard W. Longman

   Original Article 23 June 2021 Pages: 677 - 694

   

6. Multi-Fidelity Orbit Determination with Systematic Errors

   • Enrico M. Zucchelli
   • Emmanuel D. Delande
   • Moriba K. Jah

   Original Article 16 July 2021 Pages: 695 - 727

   

7. Radar and Optical Study of Defunct Geosynchronous Satellites

   • Conor J. Benson
   • Charles J. Naudet
   • Huy D. Nguyen

   Original Article 20 May 2021 Pages: 728 - 749

   

8. Centralized Autonomous Relative Navigation of Multiple Cubesats around Didymos System

   • Stefano Silvestrini
   • Margherita Piccinin
   • Jesus Gil Fernandez

   Original Article 25 May 2021 Pages: 750 - 784