We are proudly inform that we are the authorized distributor for Göktürk-1 Image over Malaysia. Launched in December 2016, Göktürk-1 is a high-resolution optical satellite built by Telespazio for the Turkish Ministry of National Defense. The satellite has a wide range of military and civilian applications including reconnaissance, environmental monitoring, crop management, cadastral surveys, natural disaster damage assessment, and management of natural resources.
Mission Capabilities
Göktürk-1’s payload is HiRI (High Resolution Imager) of CNES (Centre National D’Etudes Spatiales), developed by Thales Alenia Space (TAS). The instrument is a pushbroom imager within the panchromatic and multispectral range with a high geo-location accuracy which has been developed from its use in the Pleiades satellite. HiRI onboard Göktürk-1 provides Turkey with high resolution optical reconnaissance as well as a wide range of civilian applications.
Performance Specifications
HiRI features a spatial resolution of 0.7 m and 2.8 m for the panchromatic (PAN) and multispectral (MS) bands, respectively. The imager has a swath width of 29 km at nadir with a 60° Field of Regard (FOR), and it is accurate to ±1 m with ground control points (GCP) and ±20 m without. Thanks to the satellite’s capability of imaging at angles of 30° to each side, a repeat cycle of approximately two days can be achieved over Turkish territory.
Göktürk-1 was launched into a sun-synchronous orbit at an altitude of 695 km at separation, inclined at 98.11°.
Space and Hardware Components
The satellite is based on the Proteus satellite bus developed by TAS and CNES, providing Göktürk-1 with a mass of 1060 kg and a design life of seven years. The Proteus satellite bus consists of an aluminium chassis with honeycomb panels mounted for the satellite’s subsystems. The spacecraft is three-axis stabilised, controlled by the ADCS (Attitude Determination and Control Subsystem), which includes star trackers, eight coarse sun sensors and two three-axis magnetometers; actuated by reaction wheels.
The communications subsystem is operated with S-band transceivers for data handling, which is then downlinked in X-band frequency.
