Arcsec is a Belgium-based aerospace technology company specializing in high-precision attitude determination and control systems (ADCS) for CubeSats and small satellites. Founded in 2020 as a spin-off from KU Leuven, Arcsec develops advanced star trackers, reaction wheels, and integrated ADCS solutions designed to deliver exceptional accuracy, reliability, and performance in compact spacecraft.
Its product portfolio includes the Sagitta and Twinkle star trackers, Zyra reaction wheels, and Arcus integrated ADCS. Combining proprietary algorithms with compact, power-efficient hardware, Arcsec enables precise spacecraft attitude determination and control for demanding space missions. With flight heritage and collaborations with the European Space Agency (ESA), Arcsec is committed to advancing spacecraft navigation and attitude control technologies for the global space industry.
