# FORMOSAT-5 spacecraft bus
*bus . products*

Indigenously developed FORMOSAT-5 spacecraft platform.

## Specifications
- **product status**: operational
- **deployment context**: orbital
- **manufacturer**: tasa
- **bus**: {"form_factor":"octagonal-prism spacecraft bus","platform_class":"medium"}
- **entity type**: bus
- **last verified date**: 2026-06-26
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: tasa
- **attributes**: {"kind":"bus","product_status":"operational","deployment_context":"orbital","manufacturer":"tasa","description":"Indigenously developed FORMOSAT-5 spacecraft platform.","bus":"{\"form_factor\":\"octagonal-prism spacecraft bus\",\"platform_class\":\"medium\"}"}

## Editorial
FORMOSAT-5 spacecraft bus is the indigenously developed platform for Taiwan's FORMOSAT-5 Earth-observation satellite [^nspo-f5-satellite-archive][^wikipedia-formosat-5]. 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 [^nspo-f5-satellite-archive][^wikipedia-formosat-5]. The bus is an octagonal-prism spacecraft platform about 2.8 m tall and about 1.6 m across [^nspo-f5-satellite-archive]. Mass appears as 475 kg launch mass and about 450 kg spacecraft weight [^nspo-f5-satellite-archive][^wikipedia-formosat-5]. The mission carried the optical Remote Sensing Instrument and Advanced Ionospheric Probe in a sun-synchronous orbit around 720 km [^nspo-f5-satellite-archive].

## Compositional position
- formosat-5 (missions) --[mission_buses]--> FORMOSAT-5 spacecraft bus

## Sources
- [nspo-f5-satellite-archive] | NSPO FORMOSAT-5 satellite | https://web.archive.org/web/20170826094314/http://www.nspo.narl.org.tw/en2016/projects/FORMOSAT-5/satellite.html | tier=agency-doc | accessed=2026-06-26
- [wikipedia-formosat-5] | FORMOSAT-5 mission overview | https://en.wikipedia.org/wiki/Formosat-5 | tier=community | accessed=2026-06-26

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Source: https://eo-atlas.org/products/bus/formosat-5-bus
Maintainer: SpectraWorks B.V. (CC-BY 4.0)