Velocity Extrema in Keplerian Relative Motion: A Gröbner Basis Approach Shawn E. AllgeierNorman G. Fitz-CoyR. Scott Erwin Original Article 17 August 2021 Pages: 785 - 804
Infinitesimal Orbit Dynamics around Equilibrium Points in the Oblate RTBP S. E. Abd El-Bar Original Article 27 August 2021 Pages: 805 - 825
Observation and Maneuver Detection for Cislunar Vehicles Jesse A. GreavesDaniel J. Scheeres Original Article Open access 26 October 2021 Pages: 826 - 854
Time-Varying Shadows of Quasi-Periodic Motion Across Sections of the Flow Within Nearly Time-Periodic Three-Body Dynamics Davide GuzzettiHexi Baoyin Original Article 23 September 2021 Pages: 855 - 890
Investigation of Stable Regions of Spacecraft Motion in Binary Asteroid Systems by Terminal Condition Maps Xiangyu LiDong QiaoFeida Jia Original Article 15 December 2021 Pages: 891 - 915
Repetitive Control Compensator Design for Frequency Response near Singularities Pitcha PrasitmeeboonRichard W. Longman Original Article 17 August 2021 Pages: 916 - 945
Specifying Exported Force and Torque Requirements for Precision Pointing Spacecraft Lawrence McGovern Original Article 27 August 2021 Pages: 946 - 972
Trajectory Options for Hera’s Milani CubeSat Around (65803) Didymos Fabio FerrariVittorio FranzeseFrancesco Topputo Original Article 03 September 2021 Pages: 973 - 994
Mission Design for the 2020 Mercury Lander Decadal Survey Jackson L. ShannonJustin A. AtchisonMartin T. Ozimek Original Article 02 September 2021 Pages: 995 - 1013
Geostationary Orbit Transfer with Lunar Gravity Assist from Non-equatorial Launch Site Su-Jin ChoiJohn CarricoSejin Kwon Original Article Open access 01 September 2021 Pages: 1014 - 1033
Deep-Space Optical Navigation for M-ARGO Mission V. FranzeseF. TopputoR. Walker Original Article Open access 19 October 2021 Pages: 1034 - 1055
Lunar Crater Identification in Digital Images John A. ChristianHarm DerksenRyan Watkins Original Article Open access 21 October 2021 Pages: 1056 - 1144
Reinforcement Learning for Uncooperative Space Objects Smart Imaging Path-Planning Andrea BrandonisioMichèle LavagnaDavide Guzzetti Original Article Open access 02 November 2021 Pages: 1145 - 1169
Surface Modification of Space Exposed Materials Induced by Low Energetic Proton Irradiation Denise KeilFrederic SeizTom Spröwitz Original Article Open access 17 August 2021 Pages: 1170 - 1185
Optical Characterization of DebriSat Fragments in Support of Orbital Debris Environmental Models Heather M. CowardinJohn M. HostetlerCorbin L. Cruz Original Article Open access 27 October 2021 Pages: 1186 - 1205