|Destination||Communications geostationary s/c|
|Onboard instruments developed at the Optico-physical department||
Onboard each of two Yamal-200s/c there are two BOKZ-U star trackers.
Star trackers destination – gyro astrocorrection.
Since 2005 star trackers have been used for permanent control of the s/c angular position
|Comments||BOKZ-U is a transition model of star tracker. The tracker's construction is unified and is applicable for both creation of a fully autonomous device and as a remote optical head.|