The ASTRO CL from Jena-Optronik GmbH is a Star Tracker that has an attitude accuracy of less than 6/48 arcsec (default) and 12/72 arcsec (Low Accuracy Mode). This star tracker has an update rate of 5 Hz and an acquisition time of 2 sec time to first fix. It can serve as a star tracker or navigation camera system for up to 18 years lifetime in GEO orbits. The star tracker has a slew rate of 3.0 degrees/sec in tracking and a magnitude limit of 5.8 mi. It has a field of view of 25 degrees and a sun exclusion angle of 32 degrees. The star tracker requires a power supply of 4.0-5.5 V and has a nominal power consumption of 1 W. It has a mass of 305 g and measures 60 x 60 x 110 mm. The star tracker has been developed to meet the specific requirements of the New Space market and is designed to fit the needs of LEO constellation spacecraft.
