Key highlights

Digital interface
Embedded microcontroller for the execution of algorithms and measurement correction
Pre-calibrated with part-unique lookup table

TensorFSS-15M with integrated Magnetometer

Flight Heritage Since Jan. 2022

TensorCSS-10

Flight Heritage Since Jan. 2025

Key features

Fine Sun Sensor, TensorFSS-15M

2-axis digital fine sun sensor
0.2 deg (1-sigma) of sun determination accuracy
Lower Power Consumption
Robust and Autonomous Recovery Mechanism
RS485 Interface
Calibration with an automated rotary table

Coarse Sun Sensor, TensorCSS-10

1-axis analog coarse sun sensor
5 deg (1-sigma) of sun determination accuracy
Hardware protection from short circuit system failures
Six coarse sun sensors can provide a full sky (4π) FOV coverage (± 60 deg for each sensor)
Surface-mount or screw lock version available
Comprehensive characteristic report on each unit

Customization

Enhanced Sun Angle accuracy down to 0.1 degree (1 sigma) verified under AM0 solar simulator (Additional Cost)
Enhanced Field of View: +/- 65 degrees (Additional Cost)
Customised harness (Additional Cost)

Flight heritage

The system achieved flight heritage in 2022 and has flown numerous times since.

Manufacturing

IPC Class 3 Production and Assembly

Testing & qualification

Environment Tests Following NASA GEVS

Export control

ITARFree. No export control required.

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Last updated: 2026-04-20