FORMOSAT-5 spacecraft bus

FORMOSAT-5 spacecraft bus is the indigenously developed platform for Taiwan's FORMOSAT-5 Earth-observation satellite ^[1][2]. National Space Organization and TASA are the manufacturer and operator context for the mission, which was Taiwan's first indigenously developed optical remote-sensing satellite ^[1][2]. The bus is an octagonal-prism spacecraft platform about 2.8 m tall and about 1.6 m across ^[1]. Mass appears as 475 kg launch mass and about 450 kg spacecraft weight ^[1][2]. The mission carried the optical Remote Sensing Instrument and Advanced Ionospheric Probe in a sun-synchronous orbit around 720 km ^[1].