CivilISSTechnology

Orbital Reef Passes NASA System Definition Review

A new space station has moved one step closer to reality. Yesterday, Blue Origin and Sierra Space announced that their Orbital Reef project has passed its system definition review for NASA. The orbital outpost is now ready to enter the design phase.

Orbital Reef 101

The ISS is destined for a watery grave in 2030—or even before that—and NASA is working with space agencies and a handful of industry partners to ensure the US doesn’t lose its sustained access to LEO. 

Led by Blue and Sierra, Orbital Reef is one of three space station concepts that NASA has funded through its Commercial LEO Destinations (CLD) program. Amazon Supply Chain, Amazon Web Services, Arizona State University, Boeing, Genesis Engineering Solutions and Redwire Space are also working on the project.

  • Space agency funding helps, but doesn’t fully finance the hefty costs of building out a commercial space station. 
  • Since CLD developers have skin in the game, program delays or cost overruns could have a real impact on companies’ ability to remain a going concern. 

The planned station is billed as a “mixed-use business park” for research, industry, and tourism. It has a modular design so it can expand to accommodate larger crews. In a major shift from space stations of the past and present, Orbital Reef will be fully owned and operated by the commercial space companies, rather than by NASA.

System definitions: This NASA review falls under the agency’s requirements for the $130M Space Act CLD award the Orbital Reef team received late last year. Now that NASA has verified that Orbital Reef meets the agency’s performance requirements, the design phase can begin.

The timeline: “We start launching the first elements of Orbital Reef in ‘26,” Sierra CEO Tom Vice told us on Pathfinder #0007. “We’ve got about six New Glenn launches, Dream Chasers are taking cargo and crew up, and then we build out the components,” Vice said, with the north star of an on-orbit, fully operational Orbital Reef by 2027.

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