Nasa is to permit vacationers to go to the Worldwide Area Station from 2020, priced at $35,000 (£27,500) per night time.
The US house company mentioned it could open the orbiting station to tourism and different enterprise ventures.
There will probably be as much as two brief personal astronaut missions per 12 months, mentioned Robyn Gatens, the deputy director of the ISS.
Nasa mentioned that non-public astronauts can be permitted to journey to the ISS for as much as 30 days, travelling on US spacecraft.
“Nasa is opening the Worldwide Area Station to industrial alternatives and advertising these alternatives as we have by no means carried out earlier than,” chief monetary officer Jeff DeWit mentioned in New York.
Nasa mentioned that non-public industrial entities can be answerable for figuring out crew composition and making certain that the personal astronauts meet the medical and coaching necessities for spaceflight.
The 2 firms employed by Nasa are Elon Musk’s SpaceX, which can use its Dragon capsule, and Boeing, which is constructing a spacecraft referred to as the Starliner.
Nasa had beforehand banned any industrial use of the house station and prohibited astronauts from collaborating in for-profit analysis.
Nasa doesn’t personal the station nonetheless – it was constructed, starting in 1998, with Russia, which has taken a extra relaxed strategy in latest a long time to commerce.
In 2001, US businessman Dennis Tito turned the primary vacationer to go to when he paid Russia round $20 million for a spherical journey.
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Media captionWATCH: Second SpaceX Dragon capsule undocks from ISS
Nasa’s announcement on Friday is a part of a transfer in direction of full privatisation of the ISS. US President Donald Trump printed a price range final 12 months which referred to as for the station to be defunded by the federal government by 2025.
The house company just lately introduced that it deliberate to return to the moon by 2024, taking the primary lady there and the primary individual in a long time.