# MS-1TK microsatellite bus
*bus . products*

Mission-specific Ukrainian microsatellite bus used for EgyptSat-1.

## Specifications
- **product status**: retired
- **deployment context**: orbital
- **manufacturer**: yuzhnoye
- **bus**: {"form_factor":"about 165 kg microsatellite class","platform_class":"mini"}
- **entity type**: bus
- **last verified date**: 2026-06-26
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: yuzhnoye
- **attributes**: {"kind":"bus","product_status":"retired","deployment_context":"orbital","manufacturer":"yuzhnoye","description":"Mission-specific Ukrainian microsatellite bus used for EgyptSat-1.","bus":"{\"form_factor\":\"about 165 kg microsatellite class\",\"platform_class\":\"mini\"}"}
- **relevance**: in-scope

## Editorial
MS-1TK microsatellite bus is the spacecraft bus for EgyptSat-1, also known as MisrSat-1.[^nasa-nssdca-egyptsat-1][^gunter-egyptsat-1] Yuzhnoye Design Bureau manufactured the platform for the mission.[^nasa-nssdca-egyptsat-1][^gunter-egyptsat-1] The bus is an about 165 kg microsatellite-class platform in the mini platform class.[^nasa-nssdca-egyptsat-1][^gunter-egyptsat-1] Its deployment context is an orbital remote-sensing microsatellite bus for EgyptSat-1.[^nasa-nssdca-egyptsat-1][^gunter-egyptsat-1] The platform is retired in the 2007 mission context.[^nasa-nssdca-egyptsat-1][^gunter-egyptsat-1]

## Compositional position
- egyptsat-1 (missions) --[mission_buses]--> MS-1TK microsatellite bus

## Sources
- [nasa-nssdca-egyptsat-1] | EgyptSat 1, NASA NSSDCA | https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=2007-012A | tier=agency-doc | accessed=2026-06-26
- [gunter-egyptsat-1] | EgyptSat 1 (MisrSat 1), Gunter's Space Page | https://space.skyrocket.de/doc_sdat/egyptsat-1.htm | tier=community | accessed=2026-06-26

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