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Tetra 5A, 5B, 5C

Tetra 5A, 5B and 5C are military microsatellites built by Orion Space Solutions and Hera Systems for the U.S. Space Force to develop three small satellites for a demonstration of on-orbit services in geostationary Earth orbit.

The experiment is to demonstrate both on-orbit refueling of small satellites and rapid inspection of “non-cooperative resident space objects.” The Tetra-5 program will develop and deploy a constellation of up to three prototype spacecraft to demonstrate key inspection and docking capabilities for on-orbit refueling and the use of next-generation autonomous collaboration techniques to provide comprehensive local area awareness. Under the agreement signed with Orion Space Solutions, Hera Systems will provide the advanced spacecraft, mission unique software, and associated digital twin support for the Tetra-5 constellation, which will operate in Geostationary Earth Orbit (GEO).

Each Tetra 5 satellite provided by Hera Systems will incorporate government-furnished sensors and fueling ports for Rendezvous and Proximity Operations and Docking (RPOD) that support refueling and rapid inspection operations. Hera Systems will also provide Digital Twin capabilities to enhance the testing and validation of autonomous constellation operations.

Nation: USA
Type / Application: Technology
Operator: US Space Force (USSF)
Contractors: Orion Space Solutions, Hera Systems (bus)
Configuration: Leoness bus ?
Propulsion: ?
Power: Solar cells, batteries
Satellite COSPAR Date LS Launch Vehicle Remarks
Tetra 5A - 202x with ?, Tetra 5B, 5C
Tetra 5B - 202x with ?, Tetra 5A, 5C
Tetra 5C - 202x with ?, Tetra 5A, 5B

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