GoKawiilResearchers design traffic rules for NASA's Gateway lunar space station
A team from Texas A&M, NASA's Johnson Space Center, and Purdue University developed a system for managing multiple spacecraft around Gateway, the lunar-orbiting station NASA plans to launch no earlier than 2027. Using thousands of simulations, they created a 'string of pearls' approach that spaces waiting vehicles at set intervals ahead of or behind the station along its near-rectilinear halo orbit, accounting for navigation and thruster errors.
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Gateway's unusual orbit keeps everything in constant motion, so spacecraft can't simply park and wait for a docking slot, making traffic coordination essential rather than optional. Solving this now gives NASA a practical framework to avoid collisions or scheduling chaos as Artemis missions ramp up crew and cargo traffic to the Moon.
- Gateway will orbit the Moon in a near-rectilinear halo orbit requiring little fuel but complex traffic management.
- Researchers simulated thousands of scenarios to design a 'string of pearls' spacing system for visiting spacecraft.
- The work supports NASA's Artemis program ahead of Gateway's planned 2027 launch.
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Published there as: “NASA's Gateway could become the Moon's first airport – here's how traffic will work”
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