# Cosmos 1638
**Wikidata**: [Q12753375](https://www.wikidata.org/wiki/Q12753375)  
**Source**: https://4ort.xyz/entity/cosmos-1638

## Summary
Cosmos 1638 was a Strela-1M class satellite launched by the Soviet Union on March 21, 1985. It was carried into orbit by a Kosmos-3M rocket from Plesetsk Cosmodrome Site 132. The satellite is also known by its alias, Kosmos 1638.

## Key Facts
*   Cosmos 1638 is an instance of a Strela-1M class satellite.
*   It was launched on March 21, 1985, at 00:08:00.
*   The launch vehicle used was a Kosmos-3M rocket, associated with the Soviet Union and Russia.
*   The launch originated from Plesetsk Cosmodrome Site 132.
*   Its COSPAR ID is 1985-023D.
*   The satellite's SCN (Satellite Catalog Number) is 15620.
*   It is also known by the alias Kosmos 1638.

## FAQs
### Q: What is Cosmos 1638?
A: Cosmos 1638 is a satellite classified as a Strela-1M. It was launched by the Soviet Union on March 21, 1985, from Plesetsk Cosmodrome Site 132.

### Q: When was Cosmos 1638 launched?
A: Cosmos 1638 was launched on March 21, 1985, at 00:08:00. The launch took place from Plesetsk Cosmodrome Site 132.

### Q: Which rocket launched Cosmos 1638?
A: Cosmos 1638 was launched by a Kosmos-3M rocket. This rocket type is associated with both the Soviet Union and Russia.

### Q: What type of satellite is Cosmos 1638?
A: Cosmos 1638 is an instance of the Strela-1M class of satellites.

## Why It Matters
Cosmos 1638 holds significance as a documented instance of a Strela-1M class satellite launched by the Soviet Union. Its launch on March 21, 1985, using a Kosmos-3M rocket from Plesetsk Cosmodrome Site 132, represents a specific event within the history of Soviet space activities. As part of the Strela-1M class, it contributes to the overall understanding of this satellite type and the space programs that deployed them. Its identification through unique codes like COSPAR ID 1985-023D and SCN 15620 ensures its place in the catalog of launched space objects. The existence of Cosmos 1638 provides a data point for researchers and historians studying satellite deployments and launch vehicle utilization during the mid-1980s.

## Notable For
*   Being a specific instance of a Strela-1M class satellite.
*   Its launch on March 21, 1985, at 00:08:00.
*   Being launched by a Kosmos-3M rocket, a type associated with the Soviet Union.
*   Its unique COSPAR ID 1985-023D and SCN 15620.

## Body

### Overview
Cosmos 1638 is a satellite identified as an instance of the Strela-1M class. It is also known by its alias, Kosmos 1638. The satellite's SCN (Satellite Catalog Number) is 15620, and its COSPAR ID is 1985-023D.

### Launch Details
*   **Launch Date:** Cosmos 1638 was launched on March 21, 1985.
*   **Launch Time:** The launch occurred at 00:08:00.
*   **Launch Vehicle:** The satellite was carried into orbit by a Kosmos-3M rocket. The Kosmos-3M rocket is a type associated with the Soviet Union and Russia.
*   **Launch Site:** The launch took place from Plesetsk Cosmodrome Site 132.

## References

1. Jonathan's Space Report