# Cosmos 1641
**Wikidata**: [Q12753378](https://www.wikidata.org/wiki/Q12753378)  
**Source**: https://4ort.xyz/entity/cosmos-1641

## Summary  
Cosmos 1641 is a Soviet military communications satellite launched in 1985 as part of the Strela-1M constellation. It was deployed using a Kosmos-3M rocket from the Plesetsk Cosmodrome and remains cataloged under the satellite catalog number 15623.

## Key Facts  
- **Launch Date**: March 21, 1985 ([Reference](https://www.wikidata.org/wiki/Q6272367))  
- **Launch Vehicle**: Kosmos-3M rocket ([Reference](https://www.wikidata.org/wiki/Q6272367))  
- **Launch Site**: Plesetsk Cosmodrome Site 132 ([Reference](https://www.wikidata.org/wiki/Q6272367))  
- **COSPAR ID**: 1985-023G ([Reference](https://www.wikidata.org/wiki/Q200386))  
- **Satellite Catalog Number**: 15623 ([Reference](https://www.wikidata.org/wiki/Q6272367))  
- **Class**: Strela-1M ([Reference](https://www.wikidata.org/wiki/Q6272367))  
- **Significant Event**: Rocket launch at 00:08:00 UTC ([Reference](https://www.wikidata.org/wiki/Q6272367))  

## FAQs  
### Q: What was the purpose of Cosmos 1641?  
A: Cosmos 1641 was a Soviet military communications satellite designed to support secure military communications as part of the Strela-1M constellation.  

### Q: Where was Cosmos 1641 launched from?  
A: It was launched from Plesetsk Cosmodrome Site 132, a major Soviet/Russian spaceport used for military and scientific missions.  

### Q: What rocket was used to deploy Cosmos 1641?  
A: The Kosmos-3M rocket, a reliable Soviet launch vehicle, was used for its deployment.  

## Why It Matters  
Cosmos 1641 played a role in the Soviet Union's military communications infrastructure during the Cold War. As part of the Strela-1M constellation, it contributed to secure and reliable data transmission for Soviet defense operations. The use of the Kosmos-3M rocket and Plesetsk Cosmodrome highlights the strategic importance of such missions in maintaining military readiness. While not groundbreaking technologically, satellites like Cosmos 1641 were critical components of the USSR's space-based defense network.  

## Notable For  
- Part of the Strela-1M constellation, a key Soviet military communications system.  
- Launched aboard the Kosmos-3M, one of the most frequently used Soviet rockets.  
- Cataloged under NORAD ID 15623, making it trackable in orbital databases.  

## Body  
### Launch Details  
- **Date**: March 21, 1985  
- **Time**: 00:08:00 UTC  
- **Site**: Plesetsk Cosmodrome Site 132  

### Technical Specifications  
- **Class**: Strela-1M  
- **Launch Vehicle**: Kosmos-3M  

### Orbit and Tracking  
- **COSPAR ID**: 1985-023G  
- **Satellite Catalog Number**: 15623  

### Historical Context  
- Deployed during the Cold War as part of Soviet military communications efforts.  
- Reflects the USSR's reliance on Plesetsk Cosmodrome for classified missions.

## References

1. Jonathan's Space Report