# CAST-2000 satellite bus
*bus . products*

China Academy of Space Technology small-satellite bus used for VRSS-1.

## Specifications
- **product status**: operational
- **deployment context**: orbital
- **manufacturer**: cast
- **bus**: {"form_factor":"small satellite bus","platform_class":"medium"}
- **entity type**: bus
- **last verified date**: 2026-06-26
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: cast
- **attributes**: {"kind":"bus","product_status":"operational","deployment_context":"orbital","manufacturer":"cast","description":"China Academy of Space Technology small-satellite bus used for VRSS-1.","bus":"{\"form_factor\":\"small satellite bus\",\"platform_class\":\"medium\"}"}
- **relevance**: in-scope

## Editorial
CAST-2000 is a small-satellite bus associated with VRSS-1, also named Francisco de Miranda [^wmo-vrss-1][^wikipedia-vrss-1]. VRSS-1 connects CAST to the programme; VRSS-1 is based on the CAST-2000 platform developed by the China Academy of Space Technology [^wmo-vrss-1][^wikipedia-vrss-1]. The available platform instance uses an 880 kg VRSS-1 launch-mass basis, which places the bus in the medium class [^wmo-vrss-1]. VRSS-1 launched on 2012-09-29 for high-resolution land and vegetation observation, with expected end of life in 2022 [^wmo-vrss-1].

## Compositional position
- vrss-1 (missions) --[mission_buses]--> CAST-2000 satellite bus
- vrss-2 (missions) --[mission_buses]--> CAST-2000 satellite bus

## Sources
- [wmo-vrss-1] | WMO OSCAR satellite record: VRSS-1 | https://space.oscar.wmo.int/satellites/view/vrss_1 | tier=agency-doc | accessed=2026-06-26
- [wikipedia-vrss-1] | VRSS-1 mission overview | https://en.wikipedia.org/wiki/VRSS-1 | tier=community | accessed=2026-06-26

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Source: https://eo-atlas.org/products/bus/cast-2000
Maintainer: SpectraWorks B.V. (CC-BY 4.0)