ST400 Star tracker

Hyperion Technologies

＜Outlines＞
The ST400 is a standalone, low mass, low power star tracker, which renders attitude determination capability to small satellites. It has been jointly developed by Hyperion Technologies B.V. and Berlin Space Technologies GmbH.
The ST400 is an improved version of the smaller ST200 star tracker, which is aimed at applications in pico- and nano-satellite platforms. It features increased attitude determination accuracy and increased radiation tolerance. The ST400 has been qualified for man-rated missions since October 2013 and has flight heritage since 2016.
Optionally Hyperion Technologies offers standard size and mission-specific baffles.

＜Features＞
• Attitude determination accuracy (3σ):
o < 10 arcseconds pitch and yaw
o < 120 arcseconds roll
• 5 Hz update rate
• RS422/RS485 bidirectional interface.
• All components passed radiation qualification at 9 krad (Si)1
• Plug-and-play ready design
• Various baffle options available on demand
• Low mass: 280 g
• Low power: < 700 mW nominal power consumption when running at 5Hz update rate
• Outer dimensions: 53.8 x 53.8 x 90.5 mm (excluding baffle)

Specification: Please refer to the document.

Documents: HT_ST400_v2.0 flyer

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ST400 Star tracker

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