# Cosmos 1539
**Wikidata**: [Q12753326](https://www.wikidata.org/wiki/Q12753326)  
**Source**: https://4ort.xyz/entity/cosmos-1539

## Summary
Cosmos 1539 is a Soviet spy satellite of the Yantar-4K2 class launched on February 28, 1984, from the Plesetsk Cosmodrome aboard a Soyuz-U rocket. It was part of a series of reconnaissance satellites used for intelligence gathering by the Soviet Union.

## Key Facts
- Cosmos 1539 is a Yantar-4K2 class Soviet spy satellite
- It was launched on February 28, 1984, at 13:59:59 from Plesetsk Cosmodrome Site 16
- The satellite was carried into orbit by a Soyuz-U rocket
- Its COSPAR ID is 1984-020A
- Its serial catalog number (SCN) is 14763
- The launch was a significant event in the Soviet space program's reconnaissance efforts
- It has 3 Wikipedia sitelinks in languages: Macedonian, Serbo-Croatian, and Serbian
- It is represented in Wolfram Language as Entity["Satellite", "14763"]

## FAQs
### Q: What was the purpose of Cosmos 1539?
A: Cosmos 1539 was a Soviet spy satellite designed for intelligence gathering as part of the Yantar-4K2 reconnaissance program. It was part of a series of satellites used by the Soviet Union for surveillance purposes.

### Q: When and where was Cosmos 1539 launched?
A: Cosmos 1539 was launched on February 28, 1984, at 13:59:59 from Plesetsk Cosmodrome Site 16 aboard a Soyuz-U rocket.

### Q: What technical specifications distinguish Cosmos 1539?
A: Cosmos 1539 belongs to the Yantar-4K2 class of reconnaissance satellites and has the serial catalog number 14763. It was deployed into orbit with the COSPAR identifier 1984-020A.

### Q: What is the relationship between Cosmos 1539 and other Soviet space programs?
A: Cosmos 1539 is part of the Soviet space program's reconnaissance efforts, specifically utilizing the Yantar-4K2 satellite technology and launched using the Soyuz-U rocket system, both of which were significant components of Soviet space infrastructure.

## Why It Matters
Cosmos 1539 represents an important chapter in the history of Soviet space reconnaissance capabilities during the Cold War era. As a Yantar-4K2 satellite, it contributed to the Soviet Union's intelligence gathering efforts, providing valuable data for military and strategic purposes. The satellite's launch in 1984 occurred during a period of heightened international tensions and technological competition between superpowers. The successful deployment of Cosmos 1539 demonstrated the reliability and sophistication of Soviet satellite technology and the Soyuz-U launch system. Its existence as part of a numbered Cosmos series highlights the systematic approach of the Soviet space program to its reconnaissance operations. Understanding Cosmos 1539 helps historians and researchers better comprehend the evolution of satellite reconnaissance technology and its role in international relations during the late Cold War period.

## Notable For
- Part of the Yantar-4K2 class of Soviet reconnaissance satellites, which represented advanced imaging technology of its time
- Launched during a critical period of Cold War tensions, contributing to Soviet strategic intelligence capabilities
- One of the few Cosmos satellites with documentation in Macedonian, Serbo-Croatian, and Serbian Wikipedia entries
- Associated with the Soyuz-U rocket system, a proven and reliable launch vehicle with numerous successful missions

## Body
### Mission and Purpose
Cosmos 1539 was a reconnaissance satellite designed for intelligence gathering operations. As a member of the Yantar-4K2 class, it was equipped with imaging technology for capturing high-resolution photographs of Earth's surface. These satellites were essential components of the Soviet Union's space-based surveillance system during the Cold War.

### Technical Specifications
- Satellite class: Yantar-4K2
- Serial Catalog Number: 14763
- COSPAR ID: 1984-020A
- Launch vehicle: Soyuz-U
- Launch date: February 28, 1984
- Launch time: 13:59:59
- Launch site: Plesetsk Cosmodrome Site 16

### Historical Context
The satellite was launched during the mid-1980s, a period of continued technological competition between the Soviet Union and the United States. The Yantar-4K2 satellites represented an evolution in Soviet reconnaissance capabilities, offering improved imaging resolution and operational flexibility compared to earlier generations of spy satellites.

### Program Significance
Cosmos 1539 was part of a larger reconnaissance satellite program that provided the Soviet military with critical intelligence information. The ability to monitor military installations, troop movements, and other strategic assets from space was a significant advantage during the Cold War period.

## References

1. Jonathan's Space Report