National Science Foundation awarded Juno Propulsion Inc. of Seattle, WA $312,500 under the SBIR program (Phase II), with work starting 2026-09-01 and running to 2028-08-31. It is one of 2 SBIR and STTR awards Juno Propulsion Inc. received in the last two years, $337,500 in all. Each figure links to the federal record.
The award
| Recipient | Juno Propulsion Inc. (Seattle, WA) |
|---|---|
| Awarding agency | National Science Foundation |
| Phase | Phase II |
| Amount obligated | $312,500 |
| Period of performance starts | 2026-09-01 |
| Period of performance ends | 2028-08-31 |
| Award number | 2605066 (grant, CFDA 47.084) |
| Assistance listing | 47.084, Technology, Innovation, and Partnerships |
| Place of performance | Seattle, King County, WA |
| Signed | 2026-08-27 |
| Recipient registry id (UEI) | E4V7S7982AH4 |
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What it is for
Rotating detonation combustion satellite thruster using novel, non-toxic propellants
Funding actions on this award
| Date | Action | Modification | Amount |
|---|---|---|---|
| 2026-08-27 | New | 000 | $312,500 |
SBIR Phase II: Rotating detonation combustion satellite thruster using novel, non-toxic propellants -the broader/commercial impact of this small business innovation research Phase II project is the development of a novel high-efficiency and non-toxic in-space propulsion system to improve payload capacity by up to 50%, extend mission lifespans by years, and double the speed to reach the target orbit for satellites and space vehicles. The end goal is the creation of a production-ready propulsion system, building upon previous work experimentally demonstrating the unique efficiency gain of the core technology: Rotating detonation combustion. After an intended first flight of a minimal viable product on-orbit in 2027, the production development will focus on minimizing the system mass, further optimizing the thruster performance, and preparing a pipeline for first units for sale. This program is designed to accelerate the technology development from first flight to delivery to satellite manufacturing customers, unlocking a faster, more dynamic, and more capable fleet for both commercial and defense applications. The scope of the project is to rapidly advance the rapid technology readiness level (trl) and commercial viability of a novel in-space propulsion system employing unique non-toxic propellants via rotating detonation combustion. Rotating detonation combustion (rdc) utilizes ...
From the federal award record.
Other SBIR and STTR awards to Juno Propulsion Inc.
| Starts | Agency | Program | Amount | Project |
|---|---|---|---|---|
| 2025-09-12 | National Aeronautics and Space Administration | SBIR Phase III | $25,000 | 80nssc25c0412 rotating detonation combustion satellite thruster using novel, non-toxic pro (record) |
Every other federal award to Juno Propulsion Inc. on record
The federal register lists 2 other awards to the same registry id (UEI E4V7S7982AH4), $289,969 in all, from 2 agencies.
| Starts | Agency | Amount | Award |
|---|---|---|---|
| 2024-10-01 | National Aeronautics and Space Administration | $15,000 | Permeable additive alloy development (80NSSC24PB878) |
| 2024-09-15 | National Science Foundation | $274,969 | SBIR Phase I: Rotating detonation combustion satellite thruster using novel, non-toxic propellants -this small (2415516) |
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Look up Juno Propulsion Inc.Where this comes from
The Small Business Innovation Research (SBIR) and Small Business Technology Transfer (STTR) programs set aside part of federal research budgets for small companies. Agencies award them in phases: Phase I tests whether an idea is feasible, Phase II funds development, and Phase III is follow-on work paid for outside the set-aside. STTR awards also require a research institution as a partner.
Every figure on this page is taken from the award's own federal record, linked beside it, as it stood when the page was built: the recipient, its address, the awarding agency and office, the amount obligated so far, the dates and the description. Phase and program are shown as the award's own description states them. The amount can grow later if the agency adds funding to the same award.