# Cosmos 1543
**Wikidata**: [Q753734](https://www.wikidata.org/wiki/Q753734)  
**Source**: https://4ort.xyz/entity/cosmos-1543

## Summary
Cosmos 1543 is a Soviet satellite launched on March 10, 1984, as part of the Efir program. It was launched from the Plesetsk Cosmodrome using a Soyuz-U rocket and is classified under the Efir satellite series. The satellite's COSPAR ID is 1984-026A.

## Key Facts
- **Launch Date**: March 10, 1984
- **Launch Vehicle**: Soyuz-U
- **Launch Site**: Plesetsk Cosmodrome Site 41
- **COSPAR ID**: 1984-026A
- **Classification**: Part of the Efir satellite series
- **Instance of**: Efir satellite
- **SCN (Satellite Catalog Number)**: 14797
- **Significant Event**: Rocket launch on March 10, 1984, at 17:00 UTC from Plesetsk Cosmodrome Site 41
- **Wikipedia Availability**: Available in Galician, Macedonian, Serbo-Croatian, and Serbian languages

## FAQs
### Q: What was the purpose of Cosmos 1543?
A: Cosmos 1543 was part of the Soviet Efir satellite program, which was likely used for military or intelligence-related communications and reconnaissance. The exact purpose is not publicly disclosed.

### Q: Which rocket launched Cosmos 1543?
A: Cosmos 1543 was launched using a Soyuz-U rocket, a variant of the Soyuz rocket design developed by the Soviet Union.

### Q: Where was Cosmos 1543 launched from?
A: The satellite was launched from Plesetsk Cosmodrome Site 41, a key launch facility in Russia.

### Q: What is the COSPAR ID of Cosmos 1543?
A: The COSPAR ID for Cosmos 1543 is 1984-026A, assigned by the Committee on Space Research.

### Q: Is there a Wikipedia page for Cosmos 1543?
A: Yes, Wikipedia entries for Cosmos 1543 exist in Galician, Macedonian, Serbo-Croatian, and Serbian languages.

## Why It Matters
Cosmos 1543 is part of the Soviet Union's extensive satellite program, which played a crucial role in military and intelligence operations during the Cold War. The Efir series, of which Cosmos 1543 is a member, was likely used for secure communications and electronic intelligence gathering. While the exact details of its mission remain classified, the satellite's launch and operation contribute to the broader historical record of space-based surveillance and communication technologies. Its inclusion in the Soviet satellite catalog highlights the country's advancements in space technology and its strategic use of orbital assets.

## Notable For
- **Part of the Efir Satellite Series**: Cosmos 1543 is classified under the Efir program, a Soviet satellite series known for its military and intelligence applications.
- **Soyuz-U Launch**: The satellite was launched using the Soyuz-U rocket, a reliable and widely used Soviet rocket variant.
- **Plesetsk Launch Site**: The launch occurred from Plesetsk Cosmodrome Site 41, a significant facility for Soviet space missions.
- **COSPAR Identification**: The satellite is assigned the COSPAR ID 1984-026A, standardizing its identification in space research.
- **Historical Significance**: As part of the Cold War-era satellite program, Cosmos 1543 reflects the Soviet Union's efforts to maintain a strategic space presence.

## Body
### Launch Details
Cosmos 1543 was launched on **March 10, 1984**, at **17:00 UTC** from **Plesetsk Cosmodrome Site 41**. The launch vehicle used was the **Soyuz-U**, a variant of the Soyuz rocket design developed by the Soviet Union. The satellite's **COSPAR ID** is **1984-026A**, and its **Satellite Catalog Number (SCN)** is **14797**.

### Classification and Program
Cosmos 1543 is classified as an **Efir satellite**, part of the Soviet Efir program. The Efir series was likely used for military and intelligence purposes, including secure communications and electronic intelligence gathering. The satellite's classification as an Efir satellite indicates its role in the Soviet Union's broader space-based surveillance and communication network.

### Wikipedia Availability
Wikipedia entries for Cosmos 1543 exist in **Galician (gl)**, **Macedonian (mk)**, **Serbo-Croatian (sh)**, and **Serbian (sr)** languages, reflecting its historical and cultural significance in those regions. The availability of these entries suggests ongoing interest in the satellite's role and legacy.

### Historical Context
The launch of Cosmos 1543 occurred during the Cold War, a period marked by intense geopolitical competition between the Soviet Union and the United States. The satellite's inclusion in the Soviet satellite catalog underscores the country's efforts to maintain a strategic presence in space. While the exact mission details remain classified, Cosmos 1543 is part of a broader legacy of Soviet space technology and intelligence operations.

## References

1. Jonathan's Space Report