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Optimal Planning of Multiple Geosynchronous Spacecraft Flyby Inspection Mission with Multiple Servicing Space Robots
The optimization of multiple geosynchronous spacecraft inspection problem (MGSIP) with multiple servicing space robots (SSRs) is studied in this...
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Design of 3-D trajectory sequences for multiple asteroid flyby missions
Prospecting is a necessary pre-requisite of future asteroid mining ventures. It is generally assumed that inspection for the purpose of identifying...
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A 2-D Trajectory Design Algorithm for Multiple Asteroid Flyby Missions
Asteroid mining is one of the most promising private space ventures of the near future. Near-Earth Asteroids (NEAs), i.e. those with perihelion at...
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A Time Regularization Scheme for Spacecraft Trajectories Subject to Multi-Body Gravity
A time regularization scheme is introduced that facilitates trajectory optimization in multi-body regimes. The time transformation function allows...
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Star Searches for Patched-Conic Trajectories
Star is a mission design tool that globally searches for patched-conic trajectories that satisfy a set of user-defined constraints. It has been used...
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Endgame Design for Europa Lander: Ganymede to Europa Approach
The endgame scenario that was explored in this analysis consisted of the part of the trajectory starting at the last Ganymede flyby and ending at the...
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Orbital Maneuvers
A spacecraft performs propulsive maneuvers to adjust orbital parameters. There are two categories of such maneuvers: statistical (often called...
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Efficient design techniques for cislunar-space VLBI spacecraft formation in GTOC8
The 8th edition of the Global Trajectory Optimization Competition (GTOC8) presented a novel concept of a space-based very-long-baseline...
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Operability on the Europa Clipper Mission: Challenges and Opportunities
Flight and ground system operability has been a focus area on the Europa Clipper Project since early in its formulation phase. This has given the...
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Estimation of the Ephemerides and Gravity Fields of the Galilean Moons Through Orbit Determination of the JUICE Mission
Jupiter and its moons are a complex dynamical system that include several phenomena like tides interactions, moon’s librations and resonances. One of...
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Revisiting NASA space shuttle challenger magnetic-tape data recovery investigation
After some 50 years, NASA will restart manned missions to the moon and beyond. The second scheduled mission of NASA’s Artemis program (Artemis II)...
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Models and Algorithms for Multiagent Hierarchical Routing with Time Windows
AbstractThe problem of modeling real logistics systems arranged in a hierarchical manner is considered. Clusters of lower level consumers are formed...
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Instrumentation for Planetary Exploration
Planetary instrumentation has enabled scientists and citizen-scientists to learn more about the universe and beyond. Scientific payloads have been...
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Orbit design and mission planning for global observation of Jupiter
This paper presents the method created by the National University of Defense Technology (NUDT) team in the 10th China Trajectory Optimization...
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Further Study
A student of Orbital Mechanics and Astrodynamics can now pursue further study of many related topics. Such topics include mission analysis and...
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A historical review of the theory of gravity-assists in the pre-spaceflight era
The gravity-assist manoeuvre is a technique in which a spacecraft changes its orbital energy and angular momentum by a close-approach with a...
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Ocean Worlds: Interior Processes and Physical Environments
One of the most profound insights in planetary science has been the recent discovery that bodies with current or past subsurface global water...
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Applications of knot theory to the detection of heteroclinic connections between quasi-periodic orbits
Heteroclinic connections represent unique opportunities for spacecraft to transfer between isoenergetic libration point orbits for zero deterministic...
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Sequence optimization for multiple asteroids rendezvous via cluster analysis and probability-based beam search
It is of great significance to visit multiple asteroids in a space mission. In this paper, the multiple asteroids mission optimization is implemented...
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The Cassini/Huygens Navigation Ground Data System: Design, Implementation, and Operations
The highly successful Cassini/Huygens mission conducted almost 20 years of scientific research in both its journey across the solar system and its...