# Michibiki 6

> Japanese navigation satellite

**Wikidata**: [Q132721663](https://www.wikidata.org/wiki/Q132721663)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/QZS-6)  
**Source**: https://4ort.xyz/entity/michibiki-6

## Summary
Michibiki 6 is a Japanese navigation satellite launched on February 2, 2025, as part of Japan's Quasi-Zenith Satellite System (QZSS). It was built by Mitsubishi Electric and launched aboard an H3 rocket from Japan to enhance GPS coverage in the Asia-Oceania region.

## Key Facts
- Launched on February 2, 2025, aboard H3-F5 rocket
- Built by Mitsubishi Electric Corporation
- Weighs 4,900 kg at launch
- Part of Japan's Quasi-Zenith Satellite System (QZSS)
- Operates under the Japan Aerospace Exploration Agency (JAXA)
- Satellite designation: 2025-023A, International Designator: 62876
- Provides navigation services for Japan and surrounding regions
- Also known as QZS-6, QZSS-6, and QZS6
- Launched from Japan (country code Q17)

## FAQs
### Q: What is Michibiki 6's purpose?
A: Michibiki 6 is a navigation satellite that enhances GPS coverage and accuracy in Japan and the Asia-Oceania region as part of Japan's Quasi-Zenith Satellite System.

### Q: When and how was Michibiki 6 launched?
A: Michibiki 6 was launched on February 2, 2025, aboard an H3-F5 rocket from Japan.

### Q: Who operates Michibiki 6?
A: Michibiki 6 is operated by the Japan Aerospace Exploration Agency (JAXA) as part of Japan's national satellite navigation system.

## Why It Matters
Michibiki 6 represents a critical advancement in Japan's autonomous navigation capabilities and regional positioning infrastructure. As the sixth satellite in the Quasi-Zenith Satellite System, it strengthens Japan's ability to provide reliable positioning, navigation, and timing services independent of GPS, which is crucial for applications ranging from autonomous vehicles and precision agriculture to disaster response and national security. The satellite enhances coverage in urban canyons and mountainous terrain where GPS signals are often degraded, addressing a key limitation for Japan's geography. By expanding the QZSS constellation, Michibiki 6 helps ensure continuous, high-precision navigation services for millions of users across Japan and neighboring countries, reducing dependence on foreign satellite systems and supporting Japan's technological sovereignty in the increasingly critical space-based navigation sector.

## Notable For
- Sixth satellite in Japan's QZSS constellation, completing the planned system
- Weighs 4,900 kg, making it one of the heavier navigation satellites launched
- Launched on Japan's new H3 rocket, marking a milestone for the launch vehicle
- Enhances GPS augmentation specifically optimized for Japanese geography
- Provides centimeter-level positioning accuracy when combined with other QZSS satellites

## Body
### Technical Specifications
Michibiki 6 has a launch mass of 4,900 kg and was built by Mitsubishi Electric Corporation, a major Japanese aerospace contractor. The satellite operates in a highly inclined, geosynchronous orbit that allows it to appear almost stationary in the Japanese sky, providing continuous coverage to the region.

### System Integration
As part of the Quasi-Zenith Satellite System, Michibiki 6 works in conjunction with GPS and other QZSS satellites to provide enhanced positioning services. The system uses a combination of direct signals and sub-meter-class augmentation to achieve high accuracy even in challenging environments like urban areas and mountainous regions.

### Launch Details
The satellite was launched on February 2, 2025, aboard the H3-F5 rocket, which represents Japan's next-generation expendable launch system developed by Mitsubishi Heavy Industries. This launch marked an important milestone for both the QZSS program and Japan's launch capabilities.

### Operational Role
Michibiki 6 provides navigation, positioning, and timing services across Japan and extends coverage to the broader Asia-Oceania region. The satellite supports various applications including automotive navigation, maritime operations, agriculture, construction, and emergency services, contributing to Japan's digital infrastructure and economic competitiveness.

## References

1. [Source](https://space.skyrocket.de/doc_sdat/qzs-6.htm)
2. [Source](https://qzss.go.jp/qzs-6/outline.html)
3. Jonathan's Space Report