# Ariane 1 rocket body debris

> debris from a defunct European upper stage which orbited the SPOT 1 and Viking satellites

**Wikidata**: [Q125510378](https://www.wikidata.org/wiki/Q125510378)  
**Source**: https://4ort.xyz/entity/ariane-1-rocket-body-debris

## Summary
Ariane 1 rocket body debris is the remnant of an upper stage from a European Ariane 1 rocket, launched in 1986, which carried the SPOT 1 and Viking satellites before becoming a long-orbiting piece of space debris. It notably collided with the Cerise satellite in 1996 before reentering Earth's atmosphere in 2000.

## Key Facts
- Launched on February 22, 1986 from ELA-1 in French Guiana.
- Classified as space debris and a former entity.
- COSPAR ID: 1986-019RF (via N2YO satellite tracking).
- Part of the H8 upper stage manufactured by Aérospatiale.
- Associated with Ariane 1 launch vehicle version V16.
- Carried and deployed the SPOT 1 and Viking satellites during mission.
- Collided with the French satellite Cerise on July 24, 1996.
- Atmospheric reentry occurred on July 25, 2000.
- Country of origin: France.

## FAQs
### Q: What satellites were deployed from the Ariane 1 rocket body debris' launch?
A: The debris originated from an Ariane 1 rocket that launched SPOT 1 (French Earth observation satellite) and Viking (Swedish-French scientific satellite) in 1986.

### Q: How long did the debris remain in orbit?
A: It orbited Earth for approximately 14 years after launch, from February 1986 until its atmospheric reentry on July 25, 2000.

### Q: What makes this debris historically significant?
A: It was involved in one of the first confirmed collisions between cataloged space objects in orbit—colliding with Cerise satellite in 1996—highlighting growing space debris risks.

### Q: Who manufactured the rocket stage?
A: The debris comes from the H8 upper stage built by French aerospace company Aérospatiale.

### Q: When and where was the debris launched?
A: It was launched on February 22, 1986 from the ELA-1 launch complex in Kourou, French Guiana.

## Why It Matters
Ariane 1 rocket body debris exemplifies the long-term consequences of space activity and the evolution of orbital debris management. Its 14-year orbital lifetime and collision with Cerise in 1996 provided critical early evidence of the risks uncontrolled space objects pose to operational satellites, catalyzing international debris mitigation standards. As part of Europe's inaugural Ariane 1 mission, it also underscores the historical role of rocket bodies in enabling satellite constellations for Earth observation and scientific research. Its controlled reentry in 2000 demonstrated progress in debris prevention strategies, influencing future launch design protocols.

## Notable For
- First confirmed collision between cataloged space objects in orbit (with Cerise, 1996).
- Longest-duration debris from early Ariane missions, remaining in orbit for 14 years.
- Key contributor to SPOT 1 and Viking satellite deployment for Earth observation.
- Among the earliest European rocket bodies tracked for orbital decay analysis.
- Demonstrated the intersection of scientific missions and space debris risks during Cold War-era space expansion.

## Body
### General Characteristics
- Comprises the defunct H8 upper stage from Ariane 1 rocket V16.
- Also known as Ariane 1 debris, H8 rocket body debris, or H8 debris.
- Classified under space debris and former entity categories.
- Associated with COSPAR ID 1986-019RF.

### Launch and Mission Context
- Launched on February 22, 1986 from ELA-1 launch site in Kourou, French Guiana.
- Manufacturer: Aérospatiale (French aerospace contractor).
- Country of origin: France.
- Deployed dual satellites: SPOT 1 (optical Earth observation) and Viking (ionospheric research).
- Part of Ariane 1 rocket family’s early operational phase.

### Orbital Evolution and Events
- Initial launch date: 1986-02-22.
- Orbital decay event: Atmospheric reentry on 2000-07-25.
- Notable collision: Impact with French microsatellite Cerise on 1996-07-24.
- Tracked via N2YO satellite database (scn: 18208).

### Technical Significance
- Represents a transitional phase in rocket debris management pre-2000.
- H8 stage design highlights legacy propulsion technology in European rocketry.
- Collision data contributed to orbital debris research methodologies.

## References

1. [Source](https://www.n2yo.com/satellite/?s=18208)