# Vela  6B

> Vela 6B was one of two spin-stabilized, polyhedral satellites that comprised the sixth launch in the Vela program.

**Wikidata**: [Q111863046](https://www.wikidata.org/wiki/Q111863046)  
**Source**: https://4ort.xyz/entity/vela-6b

## Summary
Vela 6B was a spin-stabilized satellite launched in 1970 as part of the sixth mission in the Vela program, designed to detect nuclear detonations. It was deployed alongside a companion satellite using a Titan IIIC rocket and played a role in monitoring compliance with nuclear test ban treaties.

## Key Facts
- **Launch Date**: April 8, 1970
- **Launch Vehicle**: Titan IIIC
- **COSPAR ID**: 1970-027B
- **NSSDCA ID**: 1970-027B
- **SCN**: 04368
- **Instance Of**: Spacecraft
- **Aliases**: Vela 12 (TRW), PL-702C, Vela 6B (USAF)
- **Design**: Spin-stabilized, polyhedral structure
- **Mission**: Part of the sixth Vela launch (paired with another satellite)

## FAQs
### Q: When was Vela 6B launched?
A: Vela 6B was launched on April 8, 1970, aboard a Titan IIIC rocket.

### Q: What was the purpose of the Vela 6B satellite?
A: Vela 6B was part of a U.S. program to detect nuclear explosions, supporting arms control efforts during the Cold War.

### Q: What type of satellite was Vela 6B?
A: It was a spin-stabilized, polyhedral spacecraft designed for long-term space-based monitoring.

## Why It Matters
Vela 6B was significant for its role in the Vela Uniform program, a critical Cold War initiative to detect clandestine nuclear tests. By providing reliable data on explosions, it helped verify compliance with international treaties like the Partial Nuclear Test Ban Treaty. Its success underscored the importance of space-based surveillance in maintaining global security and deterring unauthorized nuclear activity. The Vela satellites, including 6B, demonstrated advancements in satellite design and detection technology, setting a precedent for future monitoring systems.

## Notable For
- **Dual-Satellite Mission**: Operated alongside a companion satellite as part of the sixth Vela launch.
- **Spin-Stabilized Design**: Utilized rotational motion for stability, a common technique for satellites of its era.
- **Nuclear Detection Role**: Contributed to Cold War-era arms control by identifying nuclear detonations.
- **Titan IIIC Launch**: Deployed using a powerful rocket designed for heavy payloads.

## Body
### Launch Details
Vela 6B was launched on April 8, 1970, as part of the sixth mission in the Vela program. The launch vehicle was a Titan IIIC, a model of the Titan III rocket family known for its reliability in deploying military and scientific payloads.

### Design and Function
The satellite had a polyhedral shape and relied on spin stabilization to maintain orientation in space. This design ensured stability during its mission to detect nuclear explosions through sensors and data relay systems.

### Mission Context
As part of the Vela Uniform program, Vela 6B operated in tandem with another satellite to provide continuous monitoring of nuclear activity. Its role in verifying treaty compliance highlighted the strategic importance of space-based intelligence during the Cold War.

### Identifiers
- **COSPAR ID**: 1970-027B
- **NSSDCA ID**: 1970-027B
- **SCN**: 04368
- **Aliases**: Vela 12 (TRW), PL-702C, Vela 6B (USAF)

## References

1. Jonathan's Space Report