Research and Development Company of the Republic of Belarus in Optolelectronics

Attitude Determination System

Attitude Determination System

ATIITUDE DETERMINATION SYSTEM COMPONENTS:

Control and syncronization unit (CSU), pcs.
Star tracker (ST), pcs.

1 or 2
2 to 4
Onboard unit placement requirements
  • Star trackers shoud be mounted on a thermally-stabilized common framework.
  • ST to CSU maximal cable length - 3 meters.
  • The Sun should be off the FOV of minimum two STs in any operation mode orientation.
  • Number of star trackers 3
    Number of control and syncronization units 2
    3-axis attitude determination error, arcsec 1
    Data lag, ms, max 100
    Angular speed measurement error, arcsec 1
    Minimal angular distance between Sun and star tracker LOS, º 30