Spacecraft
TSIS-1 is installed on the International Space Station (ISS).
A close-up view of TSIS-1 as deployed on the International Space Station ExPRESS logistics carrier (ELC)-3. The TSIS-1 Thermal Pointing System (TPS) is deployed above the ELC after installation in order to provide sufficient clearance to track the sun each orbit with a two-axis gimbal. (Courtesy NASA/LASP)
International Space Station Tracking
International Space Station Sightings