TWO-AXIS DIGITAL SUN SENSOR SYSTEM

CONFIGURATION

NO OF MEASUREMENT AXES: (2 each sensor)
NUMBER OF SENSORS: 5 typical per electronics. 1 to 8 sensors can also be used. Electronics selects sensor that has sun in field of view.

HERITAGE

Many systems flown with 1 to 8 sensor heads per processing electronics.

PARAMETERS

FIELD OF VIEW: 128° x 128° (each sensor)
Note: 4π steradians (full sphere) coverage can be achieved with 5 sensors.
ACCURACY: ±0.25° (transition accuracy).
LSB SIZE: 0.5°

APPLICATIONS

Attitude determination
Sun Acquisition
Solar-array pointing
Fail-safe recovery