{"city":"Tukwila","name":"Juno Propulsion","slug":"juno-propulsion","facts":[],"peers":[],"stage":null,"state":"Washington","aliases":[],"country":"United States","domains":[{"why":null,"list":null,"rank":null,"tier":"discarded","layer":null,"total":18,"domain":"Space","scores":{"gate_ne":["technology","firepower"],"leverage":1,"position":1,"progress":6,"firepower":1,"commercial":1,"deployment":1,"production":4,"technology":1},"edition":null,"segment":null}],"founded":null,"signals":[{"date":"2026-07-08","header":"Stellar Alpina and Juno Propulsion closed investment rounds for rotating detonation engine development.","outlet":"Payload"},{"date":"2026-06-08","header":"Juno Propulsion is building in-house production capacity for rotating detonation engines.","outlet":"Payload"},{"date":"2026-06-08","header":"Juno Propulsion’s Project Iris uses nitrous oxide and ethane instead of hydrazine-based satellite propulsion.","outlet":"Payload"},{"date":"2026-06-08","header":"Juno Propulsion plans to fly Project Iris on a Momentus satellite bus in Q1 2027.","outlet":"Payload"},{"date":"2026-06-08","header":"Juno Propulsion demonstrated 7% higher-than-theoretical constant-pressure combustion efficiency in hot-fire tests of its rotating detonation engine.","outlet":"Payload"},{"date":"2026-06-08","header":"Juno Propulsion’s first mission will test orbital firing, long-duration burns, and rapid minimum-impulse burns.","outlet":"Payload"}],"website":"junopropulsion.com","category":"Unspecified","categories":[{"name":"Propulsion & engines","domain":"Space","parent":"Space · Launch"}],"last_round":null,"updated_at":"2026-09-22T22:31:14.522+00:00","facts_total":0,"positioning":"","sub_category":null,"signals_total":7,"url":"https://www.frontiertechintelligence.com/companies/juno-propulsion","title":"Juno Propulsion · space, Tukwila, Washington, United States · scores, facts and signals · Frontier Tech Intelligence","description":"Space discarded (score 18) 7 signals and 0 facts with sources.","publisher":"Frontier Tech Intelligence (Future Frontiers, a trade name of Essential Cognition Inc.)","note":"Assessment by Frontier Tech Intelligence; facts and signals carry their sources."}