CesiumAstro is a US-based company founded in 2017 that specializes in developing advanced communication systems for space and airborne platforms, including active phased array antennas and software-defined radios. They provide full-stack, multi-mission hardware and software products that enable high-throughput connectivity and data transmission. CesiumAstro partners with organizations like NASA, the Space Development Agency (SDA), the U.S. Air Force, Axiom Space, and commercial entities to deliver next-generation connectivity solutions. Their key products include the Nightingale, Vireo, Skylark, and Element, and they focus on innovations in satellite communications, lunar communications, and inter-satellite links.
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Synopsys’ Artemis-related work includes a collaboration with Cesium, Bentley Systems, and NASA’s Glenn Research Center in Cleveland to validate cellular system performance on the lunar surface using digital twin technology.
Cesium integrated 3D spatial and true-to-reality Moon topography data into Synopsys’ digital mission engineering environment.
Cesium’s high-fidelity digital twin provides a virtual stage for testing how communication signals perform against complex lunar topography.
Shey Sabripour founded CesiumAstro 10 years ago.
CesiumAstro recently raised $270 million and secured $200 million in EXIM financing to build out its manufacturing capabilities in Texas.
CesiumAstro has grown from providing software-defined radios to full-scale missions.
CesiumAstro plans to launch its first Element satellite later this year.
Joe Ellis will lead integration of Vidrovr’s software into CesiumAstro’s satellites.
The embedded AI on CesiumAstro satellites will allow those satellites to prioritize which data can be processed on orbit and which data needs to be sent to ground stations.
CesiumAstro will embed AI into its telecommunications payloads to enable adaptive RF optimization, autonomous tasking, and real-time decision-making at the edge.
CesiumAstro acquired Vidrovr.
CesiumAstro closed a $270 million Series C funding round.
CesiumAstro closed a $270 million funding round to expand its defense-sector contracts and build out its national security business.
CesiumAstro closed a $270 million Series C round to support expansion of its national security contracts and build out its natsec business.
CesiumAstro plans to build a new 270,000-square-foot headquarters.
Proceeds from the Series C will support accelerated development of AI-enabled communications capabilities at CesiumAstro.
CesiumAstro raised $470 million in a Series C growth capital round.
Proceeds from the Series C will support growth of CesiumAstro’s global technical and program teams.
CesiumAstro is advancing multiple government and commercial programs and expanding its portfolio of flight-proven, software-defined communications systems.
CesiumAstro secured eight SpaceX rideshare launches over the past year to accelerate on-orbit validation.