Capella Space Corporation

Capella Space has been a wholly owned subsidiary of the quantum computing firm IonQ since July 2025. The purchase looked odd from outside, and IonQ was explicit about the reason. It wants a satellite fleet it controls in order to build a space to space and space to ground quantum key distribution network, and Capella already had spacecraft, a factory and government customers. The radar business was kept running. Capella still operates and upgrades its synthetic aperture radar constellation, still sells imagery, and under IonQ has been pushed toward additional sensing modes including signals intelligence. Founded in 2016 in San Francisco, the company manufactures and tests in Louisville, Colorado and keeps an office near Washington.

The radar itself works in X-band and has been through three design generations. Capella-1, called Denali, was the 2018 prototype. The Sequoia and Whitney satellites that followed grew the aperture and improved the sensor. Acadia arrived in 2023 with radar bandwidth widened from 500 to 700 megahertz, bigger batteries, larger solar arrays and better thermal management, buying about ten minutes of continuous imaging per orbit. Collection comes in four modes. Spotlight resolves to a quarter of a metre over a five kilometre square. Sliding Spotlight halves the resolution to cover a scene up to ten kilometres long. Stripmap runs a hundred kilometre strip at 1.2 metres, and parallel stripmap widens that further. Radar works at night and through weather, which is why maritime and disaster response customers buy it.

Automation is the part Capella sells hardest. Its tasking, collection, processing, exploitation and dissemination chain runs without a human in the loop, on fifteen minute scheduling cycles, and customers order through a web console or an API rather than a sales desk. Commercial interferometric radar tracks ground movement over time for subsidence, landslides and structural deformation. An open data map publishes sample imagery for research use. The Space Systems line sells the underlying capability rather than the pictures, offering custom satellites, ground infrastructure and integrated missions to customers who want their own assets, and a sensor technology line applies the same radio frequency engineering to detection and signals work.

Defense and intelligence remain the core market. Capella was one of three suppliers left standing after the National Reconnaissance Office ran its commercial radar study, and it holds a radar augmentation contract from that agency alongside maritime awareness, infrastructure monitoring and disaster response business. Air Force strategic funding has backed development of the next sensor generation, which the company has said will move beyond X-band radar into software defined radios covering several frequency bands. Deployment of the first of those spacecraft is due at the end of 2026, which will be the clearest test yet of whether a quantum computing parent changes what the satellite business actually builds.