Blue Ring is a spacecraft platform designed to support spacecraft operation, under development by Blue Origin. The platform is to be capable of refueling, transporting, and hosting satellites. A prototype Blue Ring Pathfinder was launched on New Glenn's inaugural flight in January 2025.
The Blue Ring platform accommodates satellites using a primary payload adapter, capable of supporting a 2t (4,400lb) satellite, as well as 12 ESPA and ESPA Grande adapters, capable of supporting 500kg (1,100lb)-class satellites. In total, the platform can carry up to 4.000t (8,819lb) of payload, depending on the target orbit. The platform is marketed toward a number of destination orbits, include geosynchronous orbits, Lagrange points, cislunar and lunar orbits, and Interplanetary Space. Because of this capability, Blue Origin markets Blue Ring as a space tug as well as a satellite support platform. Other capabilities of Blue Ring include thermal management, communications relaying, and spacecraft refueling. Blue Ring itself is to be capable of refueling in orbit.
The spacecraft is to use a combination of chemical and electric propulsion—chemical propulsion for major maneuvers and electric propulsion for station-keeping maneuvers or to reduce the propellant demands of orbit changes. Electric power is provided by 44m (144ft) solar array wings made up of roll-out solar array blankets.
Blue Ring is designed to be launch-vehicle agnostic, allowing launch aboard carrier rockets with EELV-class 5m (16ft) fairings such as the Vulcan Centaur, Falcon 9, and Atlas V. The platform is also to be launched on Blue Origin's own New Glenn space launch vehicle.
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).
