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MAI-SES Static Earth Sensor


The MAI-SES is a miniature Static Earth Sensor suitable for CubeSats, NanoSats, and larger spacecraft in Low Earth Orbit. The MAI-SES without a full enclosure is approximately 4.33 x 3.18 x 2.07 cm in volume. It is designed to be mounted inside our MAI-400 ADACS unit but can be independent of the MAI-400. The sensor has four thermopile detectors, which view the Earth, Space, and Earth limb and measure the dip angle with respect to the horizon. Two sensor heads mounted orthogonally are required to yield the nadir vector in the body frame. The MAI-SES is a companion product to the MAI-400, which provides full orbit attitude knowledge in both Sunlight and Umbra.


length43.26 mm
width31.75 mm
height31.75 mm
mass33 g
voltage3.3 V
current40 mA
field of view coarse resolution> 1 deg
coarse field of view60 deg
fine field of view> 7 deg
field of view (fine) resolution> 0.25 deg
mechanical vibration> 12 Grms



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Last updated: 2018-04-02