TV System for Navigation and Observation (ТSNN)TV System for Navigation and Observation (TSNN) has been designed for solving navigation and scientific tasks of the Phobos-Grunt mission.
TSNN consists of four TV four CCD-based TV cameras – two wide-angle (ShTK) and two narrow-angle (UTK) – mounted in pairs on the flight module on the opposite sides of the load-bearing frame. Thus, the stereoimaging base of two meters is provided.
Main characteristics of the TSNN TV cameras
|Focal length, mm||500||18|
|Number of active pixels||1000 x 1000|
|Pixel size, mkm||7.4х7.4|
|Field of view, grad||0.85||23.3|
|Radiometric resolution, bit||10|
|Power consumption, W||8|