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Green Propellant Infusion Mission

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The Green Propellant Infusion Mission (GPIM) is a planned NASA technology demonstrator project that will test a high-performance, high-efficiency alternative to conventional chemical propulsion systems for next-generation launch vehicles and spacecraft. The fuel may offer many advantages for future satellites, including longer mission durations, additional maneuverability, increased payload space and simplified launch processing. The GPIM is managed by NASA's Marshall Space Flight Center in Huntsville, Alabama, and is part of NASA's Technology Demonstration Mission Program within the Space Technology Mission Directorate.

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Hydroxylammonium nitrate molecule is a dense energetic ionic liquid

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Green Propellant Infusion Mission

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Artist's rendering of GPIM on Earth orbit

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Hydroxylammonium-nitrate-3D-balls.png Hydroxylammonium-nitrate-2D.png

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Technology demonstrator

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March 2017

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The Green Propellant Infusion Mission (GPIM) is a planned NASA technology demonstrator project that will test a high-performance, high-efficiency alternative to conventional chemical propulsion systems for next-generation launch vehicles and spacecraft. The fuel may offer many advantages for future satellites, including longer mission durations, additional maneuverability, increased payload space and simplified launch processing. The GPIM is managed by NASA's Marshall Space Flight Center in Huntsville, Alabama, and is part of NASA's Technology Demonstration Mission Program within the Space Technology Mission Directorate. The Green Propellant Infusion Mission is scheduled to launch aboard a SpaceX Falcon Heavy rocket in 2017, on a test mission called Space Test Program 2 (STP-2). The cost of the program is projected to be approximately $45 million.