# Cosmos 1545
**Wikidata**: [Q12753329](https://www.wikidata.org/wiki/Q12753329)  
**Source**: https://4ort.xyz/entity/cosmos-1545

## Summary  
Cosmos 1545 (also written Kosmos 1545) was a Soviet Zenit 6U optical‑reconnaissance satellite launched on 21 March 1984 from the Plesetsk Cosmodrome aboard a Soyuz‑U launch vehicle. It carried the international designator 1984‑030A and is catalogued as satellite 14849.

## Key Facts  
- **Launch date:** 21 March 1984 (UTC)【source】.  
- **Launch site:** Plesetsk Cosmodrome, Site 43/4【source】.  
- **Launch vehicle:** Soyuz‑U rocket【source】.  
- **Satellite class:** Zenit 6U, a Soviet optical‑reconnaissance (spy) satellite【source】.  
- **COSPAR ID:** 1984‑030A【source】.  
- **Satellite Catalog Number (SCN):** 14849【source】.  
- **Alias:** Kosmos 1545【source】.  
- **Significant event:** Rocket launch recorded at 11:05 UTC on the launch day【source】.  
- **Wikipedia language editions:** Macedonian (mk), Serbo‑Croatian (sh), Serbian (sr)【source】.  
- **Wolfram Language entity code:** `Entity["Satellite", "14849"]`【source】.

## FAQs  
### Q: What was Cosmos 1545?  
A: Cosmos 1545 was a Soviet Zenit 6U optical‑reconnaissance satellite launched in March 1984 to collect imagery for intelligence purposes.  

### Q: When and where was Cosmos 1545 launched?  
A: It lifted off on 21 March 1984 at 11:05 UTC from Plesetsk Cosmodrome’s Site 43/4, using a Soyuz‑U launch vehicle.  

### Q: What type of satellite is a Zenit 6U?  
A: The Zenit 6U is a class of Soviet spy satellites designed for high‑resolution photographic reconnaissance from low Earth orbit.  

### Q: What is the international identifier for Cosmos 1545?  
A: Its COSPAR (International Designator) is 1984‑030A, and it is listed in the satellite catalog as 14849.  

### Q: Which launch vehicle placed Cosmos 1545 into orbit?  
A: The satellite was launched aboard a Soyuz‑U rocket, a universal variant of the Soyuz family developed by the Soviet Union.  

## Why It Matters  
Cosmos 1545 represents a component of the Soviet Union’s extensive Zenit series of reconnaissance satellites, which were pivotal for gathering high‑resolution imagery during the Cold War. By deploying a Zenit 6U platform, the USSR maintained a steady flow of strategic photographic intelligence, supporting military planning and verification of treaty compliance. The launch from Plesetsk—a key northern launch complex—demonstrated the Soviet capability to operate orbital assets from multiple sites, enhancing redundancy and launch flexibility. Understanding Cosmos 1545’s specifications and launch context helps historians and analysts trace the evolution of space‑based surveillance technology and assess the geopolitical balance of aerial reconnaissance in the 1980s.

## Notable For  
- Being a Zenit 6U model, one of the later generations of Soviet optical‑reconnaissance satellites.  
- Launching on a Soyuz‑U rocket, showcasing the universal adaptability of the Soyuz launch family.  
- Operating from the strategically important Plesetsk Cosmodrome, highlighting the USSR’s multi‑site launch strategy.  
- Carrying the COSPAR identifier 1984‑030A, linking it to the broader 1984 launch manifest.  
- Inclusion in multiple language editions of Wikipedia, indicating continued interest across different regions.

## Body  

### Overview  
Cosmos 1545, also known as Kosmos 1545, is catalogued as satellite 14849. It belongs to the Zenit 6U class, a line of Soviet optical‑reconnaissance satellites designed for photographic intelligence collection from low Earth orbit.

### Launch Details  
- **Date & Time:** 21 March 1984, 11:05 UTC.  
- **Site:** Plesetsk Cosmodrome, Site 43/4, a northern launch complex used for military payloads.  
- **Vehicle:** Soyuz‑U, a universal variant of the Soyuz rocket family developed by the Soviet Union.  
- **Event:** Recorded as a “rocket launch” significant event in the satellite’s timeline.

### Satellite Classification  
- **Instance of:** Zenit 6U (Soviet spy satellite).  
- **Purpose:** Optical reconnaissance—capturing high‑resolution images of Earth’s surface for intelligence analysis.  

### Technical Identifiers  
- **COSPAR ID:** 1984‑030A (standard international designation).  
- **Satellite Catalog Number (SCN):** 14849 (used by tracking agencies).  
- **Wolfram Language Entity:** `Entity["Satellite", "14849"]`.  

### Related Systems  
- **Zenit 6U class:** Part of a broader series of Zenit satellites, each iteration improving imaging capability and orbital performance.  
- **Soyuz‑U launch vehicle:** A versatile rocket variant employed for a range of payloads, including military satellites like Cosmos 1545.  

### Documentation & References  
All data points are drawn from the structured Wikidata entries and associated academic references, ensuring verifiable accuracy for each claim.

## References

1. Jonathan's Space Report