# RADARSAT-1 spacecraft bus
*bus . products*

RADARSAT-1 spacecraft platform; retained as a mission-level bus candidate for graph completeness.

## Specifications
- **product status**: retired
- **deployment context**: orbital
- **manufacturer**: mda
- **bus**: {"power_w":2100,"platform_class":"large"}
- **entity type**: bus
- **last verified date**: 2026-06-26
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: mda
- **attributes**: {"kind":"bus","product_status":"retired","deployment_context":"orbital","manufacturer":"mda","description":"RADARSAT-1 spacecraft platform; retained as a mission-level bus candidate for graph completeness.","bus":"{\"power_w\":2100,\"platform_class\":\"large\"}"}

## Editorial
RADARSAT-1 spacecraft bus is the Bus Module identified among the mission's principal spacecraft components.[^csa-radarsat1-about] The platform sits in the large orbital class, with technical data listing RADARSAT-1 at 2,750 kg launch mass and bus dimensions of 3.55 m x 2.46 m.[^csa-radarsat-comparison] The same comparison material supplies solar-array and mass context for the spacecraft.[^csa-radarsat-comparison]

## Compositional position
- radarsat-1 (missions) --[mission_buses]--> RADARSAT-1 spacecraft bus

## Sources
- [csa-radarsat-comparison] | RADARSAT satellites technical comparison, Canadian Space Agency | https://www.asc-csa.gc.ca/eng/satellites/radarsat/technical-features/radarsat-comparison.asp | tier=agency-doc | accessed=2026-06-26
- [csa-radarsat1-about] | About RADARSAT-1, Canadian Space Agency | https://www.asc-csa.gc.ca/eng/satellites/radarsat1/about.asp | tier=agency-doc | accessed=2026-06-26

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Source: https://eo-atlas.org/products/bus/radarsat-1-spacecraft-bus
Maintainer: SpectraWorks B.V. (CC-BY 4.0)