CCD High precision Star Sensor (ST-CCD2-2B) adopts 1024×1024 flat CCD detector with integrative structure, has the function of active refrigeration, software in orbit maintenance and characteristics of high precision, good dynamic performance and alternative RS422 and 1553B interface. It has already been used for GEO, MEO and LEO satellites and other spacecrafts.

Optical axis oriented direction precision: 3’’/3σ

Update rate: 10Hz

Dynamic performance: ≥1°/s

Field of view: 17° × 17°

Star sensing: 6.5Mv

Operating temperature range: -40℃~+40℃

Mass：3.5kg

Power consumption: 8.4W（refrigeration closed）；14.4W（refrigeration on）

Dimension: 330mm × 194mm × 160mm

External interface: RS422, 1553B

Design lifetime: 8 years

Lead time: T0+12 months