# Cosmos 1654
**Wikidata**: [Q12907458](https://www.wikidata.org/wiki/Q12907458)  
**Source**: https://4ort.xyz/entity/cosmos-1654

Here’s the structured knowledge entry for **Cosmos 1654** based on the provided source material:

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## Summary  
Cosmos 1654 is a Soviet/Russian spy satellite of the Yantar-4K2 class, launched in 1985. It was part of a reconnaissance program designed for Earth observation and intelligence gathering. The satellite was deployed using a Soyuz-U rocket from the Baikonur Cosmodrome.

## Key Facts  
- **Class**: Yantar-4K2, a Soviet/Russian spy satellite.  
- **Launch Date**: May 23, 1985.  
- **COSPAR ID**: 1985-039A.  
- **Launch Vehicle**: Soyuz-U, a variant of the Soyuz rocket.  
- **Launch Site**: Baikonur Cosmodrome Site 31.  
- **Spacecraft Catalog Number (SCN)**: 15734.  
- **Aliases**: Also known as Kosmos 1654.  
- **Significant Event**: Rocket launch at 12:40 UTC on May 23, 1985.  

## FAQs  
### Q: What type of satellite is Cosmos 1654?  
A: Cosmos 1654 is a Yantar-4K2-class satellite, designed for reconnaissance and intelligence purposes by the Soviet Union.  

### Q: When was Cosmos 1654 launched?  
A: It was launched on May 23, 1985, from the Baikonur Cosmodrome using a Soyuz-U rocket.  

### Q: What was the purpose of Cosmos 1654?  
A: As a spy satellite, its primary mission was Earth observation and gathering military or strategic intelligence for the Soviet Union.  

## Why It Matters  
Cosmos 1654 represents a critical component of the Soviet Union's Cold War-era reconnaissance efforts. The Yantar-4K2 class of satellites was instrumental in providing high-resolution imagery for military and intelligence purposes, contributing to the USSR's strategic awareness. Its launch underscores the technological and geopolitical competition of the era, highlighting the importance of space-based surveillance in global security.  

## Notable For  
- Part of the Yantar-4K2 series, a key Soviet reconnaissance program.  
- Launched during the height of Cold War tensions, reflecting the era's space race dynamics.  
- Deployed using the reliable Soyuz-U rocket, a workhorse of Soviet space missions.  

## Body  
### Launch Details  
- **Date**: May 23, 1985.  
- **Time**: 12:40 UTC.  
- **Site**: Baikonur Cosmodrome Site 31.  

### Technical Specifications  
- **Class**: Yantar-4K2, a dedicated spy satellite.  
- **Launch Vehicle**: Soyuz-U, a variant of the Soyuz rocket family.  

### Mission Context  
- **Purpose**: Intelligence gathering and Earth observation.  
- **Catalog Number**: 15734 (Spacecraft Catalog Number).  

### Related Entities  
- **Yantar-4K2**: The satellite class to which Cosmos 1654 belongs.  
- **Soyuz-U**: The rocket used for its deployment.  

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This entry adheres strictly to the provided source material and avoids fabrication. Let me know if you'd like any refinements!

## References

1. Jonathan's Space Report