# Cosmos 1257
**Wikidata**: [Q12907340](https://www.wikidata.org/wiki/Q12907340)  
**Source**: https://4ort.xyz/entity/cosmos-1257

## Summary
Cosmos 1257 (also known as Kosmos 1257) is a Soviet military communications satellite launched in 1981 as part of the Strela-1M constellation. It was deployed using a Kosmos-3M rocket from the Plesetsk Cosmodrome. The satellite served as part of a low-orbit communication network for Soviet military operations.

## Key Facts
- **Launch Date**: March 6, 1981, at 11:31 UTC ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **COSPAR ID**: 1981-022H ([reference](https://www.wikidata.org/wiki/Q200386))  
- **Satellite Catalog Number (SCN)**: 12327 ([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))  
- **Satellite Class**: Strela-1M ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Operator**: Soviet Union (later Russia)  
- **Significant Event**: Rocket launch ([reference](https://www.wikidata.org/wiki/Q6272367))  

## FAQs
### Q: What was the purpose of Cosmos 1257?  
A: Cosmos 1257 was a military communications satellite designed to relay secure messages for Soviet armed forces as part of the Strela-1M network.  

### Q: Where was Cosmos 1257 launched from?  
A: It was launched from Plesetsk Cosmodrome Site 132 in northern Russia.  

### Q: Is Cosmos 1257 still operational?  
A: No, it was part of a low-orbit constellation with a limited lifespan and is no longer functional.  

## Why It Matters  
Cosmos 1257 played a critical role in Soviet military communications, enabling secure data transmission for strategic and tactical operations. As part of the Strela-1M constellation, it contributed to a resilient, decentralized communication network less vulnerable to disruption than ground-based systems. Its deployment reflected Cold War-era advancements in satellite technology and military readiness. While obsolete today, satellites like Cosmos 1257 laid the groundwork for modern military and civilian low-Earth orbit communication systems.  

## Notable For  
- **Military Application**: Part of a secure Soviet military communication network.  
- **Launch Precision**: Deployed via the reliable Kosmos-3M rocket.  
- **Cold War Legacy**: Represented Soviet efforts to maintain strategic communication superiority.  

## Body  
### Launch Details  
- **Date**: March 6, 1981  
- **Time**: 11:31 UTC  
- **Site**: Plesetsk Cosmodrome Site 132 ([reference](https://www.wikidata.org/wiki/Q6272367))  

### Satellite Specifications  
- **Class**: Strela-1M ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **COSPAR ID**: 1981-022H  
- **Catalog Number**: 12327  

### Mission Context  
- **Role**: Military communications relay  
- **Constellation**: Part of a multi-satellite network  
- **Launch Vehicle**: Kosmos-3M, a Soviet workhorse rocket  

### Operational History  
- **Status**: Decommissioned (typical lifespan for Strela-1M satellites was limited)  
- **Legacy**: Contributed to Soviet military communication infrastructure during the Cold War.

## References

1. Jonathan's Space Report