# Cosmos 1557
**Wikidata**: [Q13566657](https://www.wikidata.org/wiki/Q13566657)  
**Source**: https://4ort.xyz/entity/cosmos-1557

## Summary
Cosmos 1557 was a Soviet satellite launched on May 22, 1984, from the Plesetsk Cosmodrome. Classified as an instance of the "Fram" class, it was deployed into orbit using a Soyuz-U rocket.

## Key Facts
- **COSPAR ID:** 1984-048A
- **Satellite Catalog Number (SCN):** 14982
- **Launch Date:** May 22, 1984
- **Launch Time:** 08:30:00
- **Launch Site:** Plesetsk Cosmodrome Site 43/4
- **Launch Vehicle:** Soyuz-U
- **Classification:** Fram (class)
- **Instance Type:** Satellite
- **Operator:** Soviet Union

## FAQs
### Q: What type of satellite was Cosmos 1557?
A: Cosmos 1557 was a satellite identified as an instance of the "Fram" class. It was part of the Soviet Kosmos program, which encompassed a variety of military and scientific satellites.

### Q: When and how was Cosmos 1557 launched?
A: Cosmos 1557 was launched on May 22, 1984, at 08:30:00 UTC. It was delivered to orbit by a Soyuz-U rocket launched from the Plesetsk Cosmodrome Site 43/4.

### Q: What is the international designator for Cosmos 1557?
A: The international COSPAR ID for Cosmos 1557 is 1984-048A, and it is listed under Satellite Catalog Number 14982.

## Why It Matters
Cosmos 1557 serves as a specific data point within the extensive Soviet space program, illustrating the operational tempo and hardware utilization of the mid-1980s. Its significance lies in its association with the "Fram" class of satellites and the reliance on the Soyuz-U launch vehicle, one of the most frequently used rockets in space history. The launch demonstrates the continued use of the Plesetsk Cosmodrome, specifically Site 43/4, for deploying Soviet assets. The precise tracking of such objects via systems like COSPAR and Wolfram Language entities (e.g., `Entity["Satellite", "14982"]`) allows researchers to maintain an accurate historical record of orbital deployments, helping to map the history of space situational awareness and satellite classification during the Cold War era.

## Notable For
- Being a specific instance of the **Fram** satellite class.
- Launching atop the **Soyuz-U**, a universal rocket design variant.
- Utilization of the specific launch pad **Plesetsk Cosmodrome Site 43/4**.
- Precise launch timing recorded at **08:30:00** on its launch date.

## Body

### Classification and Identification
Cosmos 1557 is formally classified as an instance of the **Fram** class. It is identified in international registries by the COSPAR ID **1984-048A** and the Satellite Catalog Number **14982**. It also carries the alias **Kosmos 1557**.

### Launch Details
The satellite was successfully launched on **May 22, 1984**. The launch event was timed precisely at **08:30:00**. The departure point was the **Plesetsk Cosmodrome**, utilizing the specific infrastructure of **Site 43/4**.

### Launch Vehicle
The vehicle responsible for placing Cosmos 1557 into orbit was the **Soyuz-U**. This rocket is a variant of the Soyuz design, characterized as "Universal," and was operated by the **Soviet Union**.

### Data and References
The existence and specifications of Cosmos 1557 are supported by structured data references, including an entry in the Wolfram Language as `Entity["Satellite", "14982"]`. The satellite's information is maintained in knowledge bases with sitelinks across Macedonian (mk), Serbo-Croatian (sh), and Serbian (sr) Wikipedia languages.

## References

1. Jonathan's Space Report