The Sodern HYDRA-M is a star tracker designed for space applications. It is a star track with multiple heads optimized for low mass and power consumption.
It consists of two optical heads connected to one electronic unit with up to 8 m long cable.
HYDRA-M also has lenses made of radiation-hardened glasses as well as a HAS-2 (CMOS) detector without a thermo-electric cooler. It also consists of baffle protection for direct sun and earth illumination.
The Sodern HYDRA-M system has achieved flight heritage since 2019.
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Last updated: 2022-09-08