# Tenacious

> Japanese lunar rover, lost in a landing failure by the Hakuto-R M2 spacecraft

**Wikidata**: [Q132175317](https://www.wikidata.org/wiki/Q132175317)  
**Source**: https://4ort.xyz/entity/tenacious

## Summary
Tenacious was a Japanese lunar rover developed by ispace Inc and the Luxembourg Space Agency, designed to explore the Moon's surface. It was lost when the Hakuto-R M2 spacecraft, carrying it, failed to land successfully on the lunar surface in January 2025. The rover was part of a mission to demonstrate lunar exploration capabilities.

## Key Facts
- **Instance of**: Lunar rover, former entity
- **Operator**: ispace Inc
- **Country of origin**: Japan
- **Mass**: 5 kilograms
- **Dimensions**: 54 cm (length) × 31.5 cm (width) × 26 cm (height)
- **Material used**: Carbon-fiber-reinforced polymer
- **Launch date**: January 15, 2025, at 06:11:39 UTC
- **Launch vehicle**: Falcon 9 Block 5 (Booster B1085.5)
- **Launch site**: Kennedy Space Center Launch Complex 39A
- **Funders**: ispace Inc, Luxembourg Space Agency
- **Manufacturer**: ispace EUROPE S.A.
- **Official name**: Tenacious
- **Aliases**: TENACIOUS
- **Significant events**:
  - Rocket launch (January 15, 2025, at Kennedy Space Center Launch Complex 39A)
  - Lunar impact (June 5, 2025, on the Moon)
- **Wikipedia languages**: Commons, Japanese, Luxembourgish
- **Commons category**: TENACIOUS rover

## FAQs
**What was Tenacious?**
Tenacious was a Japanese lunar rover designed to explore the Moon's surface. It was part of the Hakuto-R M2 mission, which aimed to demonstrate lunar exploration capabilities.

**Who developed Tenacious?**
Tenacious was developed by ispace Inc and the Luxembourg Space Agency. The rover was manufactured by ispace EUROPE S.A.

**When and where was Tenacious launched?**
Tenacious was launched on January 15, 2025, at 06:11:39 UTC from Kennedy Space Center Launch Complex 39A aboard a Falcon 9 Block 5 rocket.

**What happened to Tenacious?**
The Hakuto-R M2 spacecraft, carrying Tenacious, failed to land successfully on the Moon and impacted the lunar surface on June 5, 2025.

**What were the dimensions and weight of Tenacious?**
Tenacious had dimensions of 54 cm (length) × 31.5 cm (width) × 26 cm (height) and weighed 5 kilograms.

## Why It Matters
Tenacious was part of a significant effort to advance lunar exploration and demonstrate the capabilities of private companies in space missions. The mission aimed to contribute to the broader goal of establishing a sustainable presence on the Moon. Despite the landing failure, the mission provided valuable data and insights for future lunar exploration endeavors.

## Notable For
- First lunar rover developed by ispace Inc
- Part of the Hakuto-R M2 mission, which was the first private lunar landing attempt in over 50 years
- Demonstrated the use of carbon-fiber-reinforced polymer in lunar rover design
- Contributed to the study of lunar surface conditions and impact dynamics

## Body
### Overview
Tenacious was a lunar rover developed by ispace Inc and the Luxembourg Space Agency. It was designed to explore the Moon's surface as part of the Hakuto-R M2 mission. The rover was manufactured by ispace EUROPE S.A. and had a mass of 5 kilograms. Its dimensions were 54 cm in length, 31.5 cm in width, and 26 cm in height. The rover was constructed using carbon-fiber-reinforced polymer, a material chosen for its strength and lightweight properties.

### Mission and Launch
Tenacious was launched on January 15, 2025, at 06:11:39 UTC from Kennedy Space Center Launch Complex 39A aboard a Falcon 9 Block 5 rocket (Booster B1085.5). The mission aimed to demonstrate lunar exploration capabilities and contribute to the broader goal of establishing a sustainable presence on the Moon. The Hakuto-R M2 spacecraft, carrying Tenacious, was part of a mission that also included the Blue Ghost lander.

### Mission Failure
Despite the successful launch, the Hakuto-R M2 spacecraft failed to land successfully on the Moon. The spacecraft impacted the lunar surface on June 5, 2025, marking the end of the mission. The failure provided valuable data and insights for future lunar exploration endeavors.

### Significance
Tenacious was notable for being the first lunar rover developed by ispace Inc. The mission aimed to advance lunar exploration and demonstrate the capabilities of private companies in space missions. The use of carbon-fiber-reinforced polymer in the rover's design was significant for its strength and lightweight properties, which are crucial for lunar exploration.

### Related Entities
- **Lunar rover**: A space exploration vehicle designed to move across the surface of the Moon.
- **Falcon 9 Block 5**: The current version of the SpaceX Falcon 9 orbital launch vehicle used to launch Tenacious.
- **Former entity**: A classification indicating that Tenacious no longer operates or is terminated due to the mission's failure.

### References and Further Reading
- [iSpace Inc. News](https://ispace-inc.com/news-en/?p=5593)
- [NASA Spaceflight](https://www.nasaspaceflight.com/2025/01/blue-ghost-hakuto-r-launch/)
- [Next Spaceflight](https://nextspaceflight.com/launches/details/6794)
- [The Guardian](https://www.theguardian.com/world/2025/jun/05/moon-japan-crash-landing)
- [Spaceflight Now](https://spaceflightnow.com/2025/06/06/ispaces-resilience-lander-crash-lands-on-the-moon/)

## References

1. [Source](https://ispace-inc.com/news-en/?p=5593)
2. [Falcon 9 Block 5 | Blue Ghost Mission 1 & HAKUTO-R M2 “Resilience”](https://nextspaceflight.com/launches/details/6794)
3. Jonathan's Space Report
4. [Falcon 9 launches two landers to the Moon on the same mission. 2025](https://www.nasaspaceflight.com/2025/01/blue-ghost-hakuto-r-launch/)
5. [Source](https://www.theguardian.com/world/2025/jun/05/moon-japan-crash-landing)
6. [Source](https://www.youtube.com/live/BVSMXQPeTcw?si=eM0N1IBaOQB3z11c&t=4980)
7. [Source](https://spaceflightnow.com/2025/06/06/ispaces-resilience-lander-crash-lands-on-the-moon/)