Satellites and subsystems > Attitude > Attitude sensors > Earth sensors and horizon sensors > Digital Earth Sensor
Key highlights
The Earth Sensor design by SITAEL is based on COTS. The core of the entire system is a Thermal Infrared micro-camera based on an uncooled microbolometer sensing device. It is able to acquire the Earth TIR emission in the wavelength interval from 7.5 μm to 14.5 μm which matches the Earth IR emission because of its black body temperature of about 288 K.
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Last updated: 2020-06-11
Digital Earth Sensor
Technical specs
power
< 2 W
voltage
15.0 to 50.0 V
field of view accuracy
< 1 deg
field of view vertical
37 deg
field of view horizontal
44 deg
operating temperature
-25 to 70 C
length
126 mm
width
71 mm
height
52 mm
mass
400 g
data interface
CAN
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