TY-Space Technology (Beijing) Ltd.

NST20-G3 is a fully autonomous, highly reliable, high-precision, and high-dynamic attitude star sensor with an attitude accuracy of 1″[3σ] and a dynamic performance of 3°/s, meeting the requirements of high-precision attitude determination for satellites in high dynamic conditions.

Dimensions (+ sunshade): 140×120×272 (mm3)

Mass (+ sunshade): 1200g

Radiation resistance: 100 Krad [Si]

Accuracy (pointing/roll): <1″ [3σ] <6″ [3σ]

Dynamic performance: 3°/s

Suppression angle: Sun: <30° Earth: <20°

Power consumption: 4W

Service life: 7/10 years