Meet SPHERES

An autonomous, self-propelled robot satellite aboard the International Space Station

Astronauts on the ISS and researchers around the world use SPHERES to test ideas for future satellite missions

Create

Write your own programs for SPHERES using our development environment and tutorials

Test

See your code in action in our 3D online simulation and visualization

Collaborate

Find a mentor, form a team, and register for a tournament

Compete

Go head-to-head with other teams around the world to solve an annual challenge

Fly

Finalists get to see their code run on the real SPHERES aboard the International Space Station