# Cosmos 1561
**Wikidata**: [Q12753335](https://www.wikidata.org/wiki/Q12753335)  
**Source**: https://4ort.xyz/entity/cosmos-1561

## Summary
Cosmos 1561 is a Soviet satellite launched in 1984 as part of the Strela-1M class, designed for military communications. It was deployed using a Kosmos-3M rocket from the Plesetsk Cosmodrome. The spacecraft is identified by the COSPAR ID 1984-052C and catalogued under the Satellite Catalog Number (SCN) 15000.

## Key Facts
- COSPAR ID: 1984-052C  
- Also known as: Kosmos 1561  
- Launch date: 1984-05-28  
- Launch time: 21:52:00 UTC  
- Launch site: Plesetsk Cosmodrome Site 132  
- Launch vehicle: Kosmos-3M rocket  
- Spacecraft class: Strela-1M  
- Satellite Catalog Number (SCN): 15000  
- Country of origin: Soviet Union  
- Notable event: Rocket launch  
- Related entities: Strela-1M, Kosmos-3M, Plesetsk Cosmodrome  
- Wikipedia languages: Macedonian (mk), Serbian (sr), Serbo-Croatian (sh)

## FAQs
### What is Cosmos 1561?
Cosmos 1561 is a Soviet-era satellite belonging to the Strela-1M class, launched for military communication purposes. It was launched on May 28, 1984, using a Kosmos-3M rocket from the Plesetsk Cosmodrome.

### What role does the Kosmos-3M rocket play in the launch of Cosmos 1561?
The Kosmos-3M rocket served as the launch vehicle for Cosmos 1561. It is a Russian rocket model originally developed by the Soviet Union and is commonly used for launching small to medium payloads into low Earth orbit.

### What is the significance of the launch date and location of Cosmos 1561?
Cosmos 1561 was launched on May 28, 1984, at 21:52 UTC from Plesetsk Cosmodrome Site 132. This event marked the deployment of a military communications satellite during the Cold War era, aligning with the Soviet Union's strategic space activities.

### What is the relationship between Cosmos 1561 and the Strela-1M class?
Cosmos 1561 is an instance of the Strela-1M spacecraft class, which was designed for secure military communications. These satellites were typically used by the Soviet military for short-range data relay.

### What is the Satellite Catalog Number (SCN) of Cosmos 1561?
The Satellite Catalog Number (SCN) for Cosmos 1561 is 15000. This number is used for tracking and identifying the satellite in orbital databases.

## Why It Matters
Cosmos 1561 represents a component of the Soviet Union's military space program, launched during a period of heightened geopolitical tension. As part of the Strela-1M class, it contributed to the USSR's strategic communications infrastructure. Its launch reflects the technological and military capabilities of the era, and its cataloguing under SCN 15000 makes it a reference point in satellite tracking systems. The mission also underscores the role of the Kosmos-3M rocket in deploying lightweight communication payloads during the 1980s.

## Notable For
- Being part of the Strela-1M satellite class, used for military communications  
- Launching aboard a Kosmos-3M rocket, a reliable but aging Soviet launch system  
- Launching from Plesetsk Cosmodrome Site 132, a historically significant site for military launches  
- Having the SCN 15000, placing it within standardized satellite tracking systems  
- Launching on May 28, 1984, during a peak period of Cold War space activity  

## Body

### Classification and Design
Cosmos 1561 is classified as a Strela-1M satellite. The Strela-1M class was developed by the Soviet Union for secure military communications, primarily intended for relaying low-data signals over short distances. These satellites were typically used in tandem with larger satellite constellations to support battlefield or strategic communication needs.

### Launch Details
Cosmos 1561 was launched on May 28, 1984, at 21:52 UTC. The launch occurred at the Plesetsk Cosmodrome, specifically from Site 132, a facility historically used for military launches. The spacecraft was deployed using a Kosmos-3M rocket, a two-stage launcher commonly used by the Soviet Union for placing lightweight payloads into low Earth orbit.

### Technical Specifications and Identifiers
- **COSPAR ID**: 1984-052C  
- **Satellite Catalog Number (SCN)**: 15000  
- **Launch Vehicle**: Kosmos-3M (a product of Soviet-era rocket technology)  
- **Instance of**: Strela-1M class  
- **Event**: Rocket launch from Plesetsk Cosmodrome  
- **Aliases**: Kosmos 1561  

### Geopolitical and Historical Context
Cosmos 1561 was launched during the Cold War, a period of intense military and technological competition between the superpowers. As a military communications satellite, it was part of a broader network of Soviet spacecraft designed to maintain secure, autonomous communication lines. The use of the Kosmos-3M rocket reflects the continued reliance on proven launch systems for critical missions.

### Legacy and Tracking
The satellite is tracked under international space catalog systems via its SCN and COSPAR ID. These identifiers are used by space surveillance networks to monitor orbital debris and satellite behavior. Its launch profile and mission parameters place it within the context of the Soviet Union's strategic space capabilities, which emphasized self-reliance and redundancy in military systems.

### Related Entities
- **Kosmos-3M**: The launcher used for deployment, a two-stage liquid-fueled rocket.  
- **Strela-1M**: The class to which Cosmos 1561 belongs, used for secure, short-range military communication.  
- **Plesetsk Cosmodrome Site 132**: A launch site historically used for military missions.  
- **COSPAR ID 1984-052C**: Standardized international identifier for tracking purposes.  
- **SCN 15000**: Used in satellite databases for observational and tracking consistency.

## References

1. Jonathan's Space Report