Juno Propulsion plans to use the new capital to complete development of its Iris engine.
Juno Propulsion won NASA’s TechLeap prize in July.
Juno Propulsion’s rotating detonation engine setup uses nitrous oxide and ethane instead of toxic hydrazine.
SOSV led Juno Propulsion’s $1.4 million pre-seed round.
Juno Propulsion plans to scale its in-house production capabilities to tens of engines per year in the near future.
Hypernova, Leslie Ventures, Activate, Collab Fund, Safar Partners, and Cape Fear Ventures participated in Juno Propulsion’s $1.4 million pre-seed round.
Juno Propulsion expects Iris to be the first commercial rotating detonation engine system to propel a satellite in orbit.
Juno Propulsion aims to reach technology readiness level 9 for Iris ahead of production.
On its first mission, Juno Propulsion will validate Iris’s ability to fire in orbit, perform long-duration burns for orbit changes, and execute rapid minimum-impulse burns for future rendezvous and proximity operations applications.
Juno Propulsion has conducted hot-fire tests of its rotating detonation engine system.
Juno Propulsion is building scaled-production facilities for future engine production.
Juno Propulsion’s rotating detonation engine system demonstrated combustion efficiency 7% higher than the theoretically perfect constant-pressure engine.
Juno Propulsion raised a $1.4 million pre-seed investment round to complete its first flight-ready rotating detonation engine, Project Iris.
Juno Propulsion’s Iris engine is scheduled to fly as a hosted payload on a Momentus satellite bus in Q1 2027.
Vigoride 8 will carry the Spaceworks COSMIC payload and NASA’s Juno Rotating Detonation Rocket Engine payload.
NASA is evaluating the Juno Rotating Detonation Rocket Engine for potential future spaceflight applications.
Juno's close encounter with Ganymede lasted less than 15 minutes and the spacecraft will not repeat such a flyby.
Juno performed a high-speed flyby of Ganymede on 7 July 2021 that brought the spacecraft close to the moon.
The LPAP team used Juno's ultraviolet spectrograph (UVS) to achieve spatial resolutions of a few kilometres on Ganymede's aurora.
The European Space Agency's Juice mission is en route to Jupiter with arrival planned for 2031 and carries an ultraviolet spectrograph similar to Juno's.