Astronomy & Space

Spacecraft learn to navigate to space station by dreaming

How the science connects

Machine learningOrbital mechanicsAutonomous navigat…

AI Insight

Engineers are developing autonomous docking systems for spacecraft approaching the International Space Station (ISS). The task is extremely challenging due to the complexities of orbital mechanics, where conventional intuitions about movement do not apply - accelerating forward causes upward drift, and there is no air resistance to provide natural deceleration. The operation requires precise maneuvering at speeds of 28,000 km/hr while avoiding catastrophic collision with the ISS, which could result in loss of life and creation of dangerous space debris.


Autonomous docking capability is critical for reducing human error in high-stakes space operations and enabling more reliable cargo and crew transfers to the ISS. Success in this technology could prevent disasters that would not only kill astronauts but also create debris fields threatening satellites and potentially endangering people on Earth.


Docking with the ISS may seem simple. However, actually doing so shows how difficult orbital mechanics can be. It’s like traveling down a highway at 28,000 km/hr (17,000 mph) and parallel parking in an open garage on a multibillion-dollar laboratory traveling at the same speed. If you try to accelerate forward, you actually drift up, and there’s no air friction to naturally slow you down. Oh, and if you hit the lab, everyone aboard both your craft and the station dies, and the resulting debris field could wipe out dozens of satellites and even harm people on the ground. No pressure, obviously.

Source: Engineers teach spacecraft to 'dream' their way to the space station