# RSC Energia 559GK bus
*bus . products*

RSC Energia 559GK optical Earth-observation satellite bus used for EgyptSat-2 and EgyptSat-A.

## Specifications
- **product status**: operational
- **deployment context**: orbital
- **manufacturer**: rsc-energia
- **bus**: {"payload_capacity_kg":1050,"power_w":3000,"form_factor":"hexagonal three-axis-stabilised spacecraft bus","platform_class":"large"}
- **entity type**: bus
- **last verified date**: 2026-06-26
- **verified by**: operator
- **claim status**: unclaimed
- **provider**: rsc-energia
- **attributes**: {"kind":"bus","product_status":"operational","deployment_context":"orbital","manufacturer":"rsc-energia","description":"RSC Energia 559GK optical Earth-observation satellite bus used for EgyptSat-2 and EgyptSat-A.","bus":"{\"payload_capacity_kg\":1050,\"power_w\":3000,\"form_factor\":\"hexagonal three-axis-stabilised spacecraft bus\",\"platform_class\":\"large\"}"}
- **relevance**: in-scope

## Editorial
RSC Energia 559GK is an orbital large-class optical Earth-observation spacecraft bus used for EgyptSat-2 and EgyptSat-A.[^energia-egyptsat-a][^gunter-egyptsat-2][^gunter-egyptsat-a] The bus is a hexagonal, three-axis-stabilised spacecraft platform for orbital deployment, with 1050 kg payload capacity and about 3000 W power.[^gunter-egyptsat-2][^gunter-egyptsat-a] Its provider is RSC Energia, and the platform is operational for optical Earth-observation missions.[^energia-egyptsat-a]

## Compositional position
- egyptsat-2 (missions) --[mission_buses]--> RSC Energia 559GK bus
- egyptsat-a (missions) --[mission_buses]--> RSC Energia 559GK bus

## Sources
- [energia-egyptsat-a] | Satellite Egyptsat-A has been launched, RSC Energia | https://www.energia.ru/en/news/news-2019/news_02-21.html | tier=operator-press | accessed=2026-06-26
- [gunter-egyptsat-2] | EgyptSat 2 (MisrSat 2), Gunter's Space Page | https://space.skyrocket.de/doc_sdat/egyptsat-2.htm | tier=community | accessed=2026-06-26
- [gunter-egyptsat-a] | EgyptSat A (MisrSat A), Gunter's Space Page | https://space.skyrocket.de/doc_sdat/egyptsat-a.htm | tier=community | accessed=2026-06-26

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Source: https://eo-atlas.org/products/bus/559gk-bus
Maintainer: SpectraWorks B.V. (CC-BY 4.0)