Apollo Fusion (Astra)

Apollo Fusion (now operating as Astra Space Products, a division of Astra Space, Inc.) developed electric propulsion systems for small satellites, with its technology acquired by Astra Space in 2021. The Apollo Fusion product line—now branded as Astra Spacecraft Engines—includes Hall-effect electric thrusters providing efficient propulsion for smallsat and microsatellite orbit raising, station-keeping, and de-orbiting applications. The Astra Spacecraft Engine family delivers a combination of high specific impulse and compact form factors targeting commercial LEO satellite constellation operators seeking flight-proven electric propulsion solutions.