# SI-200 satellite bus
*bus . products*

Satrec Initiative small Earth-observation satellite bus used for DubaiSat-1.

## Specifications
- **manufacturer**: satrec-initiative
- **product status**: retired
- **deployment context**: orbital
- **bus**: {"payload_capacity_kg":40,"power_w":330,"form_factor":"approximately 190 kg class small EO satellite bus","platform_class":"mini"}
- **entity type**: bus
- **last verified date**: 2026-06-26
- **verified by**: operator
- **claim status**: unclaimed
- **provider**: satrec-initiative
- **attributes**: {"kind":"bus","manufacturer":"satrec-initiative","product_status":"retired","deployment_context":"orbital","description":"Satrec Initiative small Earth-observation satellite bus used for DubaiSat-1.","bus":"{\"payload_capacity_kg\":40,\"power_w\":330,\"form_factor\":\"approximately 190 kg class small EO satellite bus\",\"platform_class\":\"mini\"}"}

## Editorial
SI-200 is a Satrec Initiative small Earth-observation satellite bus associated with DubaiSat-1. DubaiSat-1 was a UAE 2.5 m electro-optical satellite with Satrec contributions including system integration, satellite platform, EO payload, IRPS, and MCS.[^satrec-heritage] SI-200 is tied to the RazakSAT and Satrec small-satellite line, with mass below 200 kg and DubaiSat-1 near 190 kg; that mass envelope places the platform in the mini orbital class.[^wiki-si-200-leads][^eiast-dubaisat-1-overview] End-of-life power generation is 330 W.[^wiki-si-200-leads]

## Compositional position
- dubaisat-1 (missions) --[mission_buses]--> SI-200 satellite bus

## Sources
- [satrec-heritage] | Space Heritage, Satrec Initiative | https://www.satreci.com/page/12 | tier=operator-marketing | accessed=2026-06-26
- [eiast-dubaisat-1-overview] | DubaiSat-1 mission overview, EIAST archived PDF | https://web.archive.org/web/20120307083009/http://www.eiast.ae/DubaiSat-1-Mission-Overview.pdf | tier=agency-doc | accessed=2026-06-26
- [wiki-si-200-leads] | SI-200 community summary with Satrec source leads | https://en.wikipedia.org/wiki/SI-200 | tier=community | accessed=2026-06-26

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Source: https://eo-atlas.org/products/bus/si-200
Maintainer: SpectraWorks B.V. (CC-BY 4.0)