# Cosmos 387
**Wikidata**: [Q13377612](https://www.wikidata.org/wiki/Q13377612)  
**Source**: https://4ort.xyz/entity/cosmos-387

## Summary
Cosmos 387 (Kosmos 387) was a Soviet signals intelligence satellite launched in 1970 as part of the Tselina-OM program. It was designed for electronic reconnaissance and was carried into orbit by a Kosmos-3M rocket from the Plesetsk Cosmodrome.

## Key Facts
- **Launch Date**: December 16, 1970, at 04:29:59 UTC (references: Q6272367)  
- **Launch Vehicle**: Kosmos-3M rocket (references: Q6272367)  
- **Launch Site**: Plesetsk Cosmodrome, Site 132 (references: Q6272367)  
- **COSPAR ID**: 1970-111A (references: Q200386)  
- **Satellite Catalog Number (SCN)**: 04806 (references: Q6272367)  
- **Class**: Tselina-OM, a Soviet signals intelligence satellite model  
- **Alternative Name**: Kosmos 387  
- **Significant Event**: Rocket launch from Plesetsk (references: Q6272367)  

## FAQs
### Q: What type of satellite was Cosmos 387?  
A: Cosmos 387 was a Tselina-OM-class signals intelligence satellite, used by the Soviet Union for electronic reconnaissance.  

### Q: When and where was Cosmos 387 launched?  
A: It was launched on December 16, 1970, from Plesetsk Cosmodrome Site 132 aboard a Kosmos-3M rocket.  

### Q: What was the purpose of Cosmos 387?  
A: It was designed for electronic reconnaissance, intercepting and analyzing radio signals for military intelligence.  

## Why It Matters  
Cosmos 387 was part of the Soviet Union's Tselina-OM program, a critical component of Cold War-era signals intelligence efforts. These satellites played a key role in monitoring military communications, radar emissions, and other electronic signals from adversaries. The data collected helped shape Soviet military strategy and provided insights into NATO activities. The successful deployment of Cosmos 387 demonstrated the USSR's technological capabilities in space-based surveillance, contributing to the broader space race and intelligence-gathering competition between superpowers.  

## Notable For  
- **Early Signals Intelligence**: One of many Soviet satellites dedicated to electronic reconnaissance during the Cold War.  
- **Kosmos-3M Launch Vehicle**: Used a reliable Soviet rocket for deployment.  
- **Plesetsk Cosmodrome Launch**: Highlighted the USSR's use of this site for military satellite missions.  

## Body  
### Launch Details  
- **Date**: December 16, 1970  
- **Time**: 04:29:59 UTC  
- **Site**: Plesetsk Cosmodrome, Site 132 (references: Q6272367)  

### Satellite Specifications  
- **Model**: Tselina-OM, a Soviet signals intelligence satellite  
- **Catalog Number (SCN)**: 04806 (references: Q6272367)  
- **COSPAR ID**: 1970-111A (references: Q200386)  

### Mission Context  
- Part of the broader Tselina program for electronic intelligence (ELINT).  
- Launched during the height of Cold War tensions for military surveillance.

## References

1. Jonathan's Space Report