A SPACEX rocket that flew just two months ago with a Nasa satellite has roared back into action, launching the first orbiting robot with artificial intelligence and other station supplies.

The used Falcon rocket blasted off hauling nearly 2700kg of cargo, including the spherical AI bot named Cimon; genetically identical mice, or mousetronauts; and super-caffeinated coffee for the crew of the International Space Station.

The shipment – packed into a Dragon capsule that is also recycled – should reach the station on Monday. The launch took place at Cape Canaveral, Florida.

This marked SpaceX’s fastest reflight of a booster.

The same first-stage booster launched the planet-hunting Tess satellite in April, while the capsule flew in 2016.

Aiming to lower launch costs by reusing rockets, SpaceX did not retrieve the booster for another flight and instead ditched it in the Atlantic.

The company is switching to a new and improved line of boosters.

The space station and its six inhabitants were sailing 250 miles above the South Pacific when the Falcon 9 took off.

The Dragon will deliver the robot Cimon, pronounced Simon.