# AstroSat-100 bus
*bus . products*

Small-satellite bus used for ALSAT-2A and ALSAT-2B, derived from the CNES Myriade platform lineage.

## Specifications
- **product status**: operational
- **deployment context**: orbital
- **manufacturer**: airbus-ds
- **bus**: {"payload_capacity_kg":50,"power_w":175,"form_factor":"small satellite bus","platform_class":"mini"}
- **entity type**: bus
- **last verified date**: 2026-06-26
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: airbus-ds
- **attributes**: {"kind":"bus","product_status":"operational","deployment_context":"orbital","manufacturer":"airbus-ds","description":"Small-satellite bus used for ALSAT-2A and ALSAT-2B, derived from the CNES Myriade platform lineage.","bus":"{\"payload_capacity_kg\":50,\"power_w\":175,\"form_factor\":\"small satellite bus\",\"platform_class\":\"mini\"}"}

## Editorial
AstroSat-100, also called AS-100, is a Myriade-derived small-satellite bus used for ALSAT-2A and ALSAT-2B.[^alsat-2-programme-pdf][^eoportal-alsat-2] The platform is mini class, with about 50 kg payload capacity and about 175-180 W available or generated power.[^alsat-2-programme-pdf][^eoportal-alsat-2] ALSAT-2A and ALSAT-2B spacecraft mass is approximately 110-130 kg.[^alsat-2-programme-pdf][^eoportal-alsat-2] The provider is Airbus Defence and Space for the bus.[^alsat-2-programme-pdf]

## Compositional position
- alsat-2a (missions) --[mission_buses]--> AstroSat-100 bus
- alsat-2b (missions) --[mission_buses]--> AstroSat-100 bus
- vnredsat-1 (missions) --[mission_buses]--> AstroSat-100 bus

## Sources
- [alsat-2-programme-pdf] | ALSAT-2 Programme, ASAL/Astrium presentation | http://seminar.spaceutm.edu.my/eoss2007/Material/Session6/Presenter/07-11-26%20GL%20Alsat%20Presentation.PDF | tier=operator-engineering | accessed=2026-06-26
- [eoportal-alsat-2] | AlSat-2A and AlSat-2B, eoPortal | https://www.eoportal.org/satellite-missions/alsat-2 | tier=community | accessed=2026-06-26

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Source: https://eo-atlas.org/products/bus/astrosat-100
Maintainer: SpectraWorks B.V. (CC-BY 4.0)