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TES 15



he TechEdSat 15 CubeSat developed at NASA’s Ames Research Center will test a drag brake mechanism that could help target the re-entry of small satellites. The deployable “eco-brake” is designed to generate drag and accelerate the deorbit of a small spacecraft. The system flying on the 9.1-pound (4.1-kilogram) TechEdSat 15 spacecraft is intended to survive higher temperatures, up to several hundred degrees, and “will demonstrate the next step forward in nanosatellites’ ability to target an Earth entry point,” Firefly said.

“The exo-brake is a device that applies drag in Earth’s exosphere — the uppermost reaches of the atmosphere — to slow the speed of a satellite’s descent and change its direction,” Firefly said. “This experiment will permit the satellite to survive closer-to-peak heating, maintain telemetry, and assess the dynamics as the system enters the top of the atmosphere.”

Alternate Names

  • 53957
  • TES15

Facts in Brief

Launch Date: 2022-10-01
Launch Vehicle: Firefly Alpha
Launch Site: Vandenberg AFB, United States

Funding Agency

  • National Aeronautics and Space Administration (United States)


  • Technology Applications

Additional Information

Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office

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