# SATurnin-1

> Czech military satellite

**Wikidata**: [Q131781976](https://www.wikidata.org/wiki/Q131781976)  
**Source**: https://4ort.xyz/entity/saturnin-1

## Summary
SATurnin-1 is the Czech Republic's first military satellite, launched on January 14, 2025, to support defense and security operations. Developed by VZLU Aerospace, it is a 12-unit CubeSat designed for Earth observation and classified for military use. The satellite marks a significant milestone in the Czech Republic's space capabilities.

## Key Facts
- **Launch Date**: January 14, 2025.
- **Country of Origin**: Czech Republic.
- **Mass**: 14 kilograms.
- **Volume**: 12-unit CubeSat (a standardized format for small satellites).
- **Developer**: VZLU Aerospace.
- **Launch Vehicle**: Part of the Transporter 12 rideshare mission.
- **Code Name**: Golem X.
- **Announcement Date**: January 17, 2025.
- **Classifications**: Military satellite and Earth observation satellite.

## FAQs
### Q: When was SATurnin-1 launched?
A: SATurnin-1 was launched on January 14, 2025, as part of the Transporter 12 mission.

### Q: What is the purpose of SATurnin-1?
A: The satellite is designed to serve Czech defense and security interests through Earth observation, though specific mission details remain classified.

### Q: Who developed SATurnin-1?
A: The satellite was developed by VZLU Aerospace, a Czech research and development organization.

## Why It Matters
SATurnin-1 represents the Czech Republic's entry into the domain of military space technology, enhancing its national security capabilities through domestic innovation. As the nation's largest satellite and first military spacecraft, it demonstrates advancements in Czech aerospace engineering and fosters international collaboration in space-based defense strategies. The project underscores the growing importance of space assets for smaller nations and highlights the integration of commercial satellite technologies (e.g., CubeSats) into military operations. Its successful launch positions the Czech Republic as a contributor to European defense initiatives while promoting technological sovereignty.

## Notable For
- First military satellite developed and launched by the Czech Republic.
- Largest Czech satellite as of 2025, utilizing a 12-unit CubeSat design.
- Code-named "Golem X," referencing Czech cultural and historical motifs.
- Rapid development timeline, from inception in 2022 to launch in 2025.
- Part of an international rideshare mission (Transporter 12), reflecting cost-effective launch strategies.

## Body
### Development
- **Inception**: Initial development began in 2022, with final assembly completed by September 2024.
- **Developer**: Led by VZLU Aerospace, leveraging domestic expertise in aerospace engineering.
- **Inspiration**: Named after "Saturnin," a character from Czech literature, with the code name "Golem X" nodding to the mythical Golem of Prague.

### Launch
- **Date**: Launched on January 14, 2025.
- **Vehicle**: Deployed via the Transporter 12 rideshare mission, a commercial launch service.
- **Announcement**: Publicly disclosed on January 17, 2025, following successful deployment.

### Specifications
- **Mass**: 14 kg, adhering to CubeSat standards scaled to 12 units.
- **Volume**: 12-unit CubeSat configuration, measuring approximately 20 cm × 20 cm × 30 cm.
- **Classification**: Dual-purpose as a military satellite and Earth observation platform.

### Mission
- **Primary Role**: To provide reconnaissance and surveillance data for defense and security applications.
- **Operational Status**: Operational as of January 2025, with mission details restricted due to classification.
- **Significance**: Enhances Czech participation in European defense frameworks and underscores the militarization of small satellite technology.

## References

1. [SATurnin-1: největší česká družice ve vesmíru bude sloužit obraně a bezpečnosti. České noviny. 2025](https://www.ceskenoviny.cz/tiskove/zpravy/saturnin1-nejvetsi-ceska-druzice-ve-vesmiru-bude-slouzit-obrane-a-bezpecnosti/2621547)
2. [2025](https://vzcr.gov.cz/druzice-saturnin-1-bude-slouzit-obrane-a-bezpecnosti-264)
3. [To je ale překvapení! ČR má novou družici – SATurnin-1. 2025](https://kosmonautix.cz/2025/01/17/to-je-ale-prekvapeni-cr-ma-novou-druzici-saturnin-1/)
4. [2022](https://www.e15.cz/byznys/technologie-a-media/ceska-armada-chysta-kosmickou-premieru-bude-mit-vlastni-druzici-1389286)
5. [Magazín Experiment: Jaká tajemství ukrývá největší česká družice SATurnin-1? A jak se transplantuje rohovka?. 2025](https://radiozurnal.rozhlas.cz/magazin-experiment-jaka-tajemstvi-ukryva-nejvetsi-ceska-druzice-saturnin-1-a-jak-9395117)