# Cosmos 1637
**Wikidata**: [Q12753377](https://www.wikidata.org/wiki/Q12753377)  
**Source**: https://4ort.xyz/entity/cosmos-1637

## Summary
Cosmos 1637 is a Soviet satellite launched on March 21, 1985, as part of the Strela-1M class of spacecraft. It was deployed from the Plesetsk Cosmodrome using a Kosmos-3M rocket and is identified by the COSPAR ID 1985-023C.

## Key Facts
- **Launch Date:** March 21, 1985
- **Classification:** Strela-1M class satellite
- **Launch Vehicle:** Kosmos-3M rocket
- **Launch Site:** Plesetsk Cosmodrome Site 132
- **Satellite Catalog Number (SCN):** 15619
- **COSPAR ID:** 1985-023C
- **Originating Country:** Soviet Union
- **Wolfram Language Entity Code:** Entity["Satellite", "15619"]

## FAQs
### Q: What is the purpose of the Cosmos 1637 satellite?
A: Cosmos 1637 is an instance of the Strela-1M class of satellites. It was launched by the Soviet Union in 1985 to serve as part of that specific spacecraft constellation.

### Q: When and where was Cosmos 1637 launched?
A: The satellite was launched on March 21, 1985, at 00:08:00 UTC. The launch took place at Site 132 of the Plesetsk Cosmodrome.

### Q: What rocket was used to put Cosmos 1637 into orbit?
A: Cosmos 1637 was carried into orbit by a Kosmos-3M rocket. This launch vehicle is a Russian/Soviet rocket known for deploying various satellite classes, including the Strela-1M.

## Why It Matters
Cosmos 1637 represents a functional component of the Soviet Union's orbital infrastructure during the mid-1980s. As a member of the Strela-1M class, it contributed to the operational capacity of Soviet satellite constellations. Its launch highlights the historical significance of the Plesetsk Cosmodrome Site 132 and the Kosmos-3M rocket, which was a primary workhorse for the Soviet space program. The satellite's inclusion in international tracking databases, such as the Satellite Catalog (SCN 15619) and COSPAR (1985-023C), ensures its place in the permanent record of human spaceflight and orbital history. For researchers and historians, Cosmos 1637 serves as a data point in the broader timeline of Soviet aerospace achievements during the Cold War era.

## Notable For
- **Satellite Class:** It is a specific instance of the Strela-1M series.
- **Launch Platform:** Deployed from the Plesetsk Cosmodrome, a major Soviet/Russian spaceport.
- **Reliable Rocketry:** Utilized the Kosmos-3M launch vehicle, which is associated with high sitelink counts in historical databases.
- **Precise Identification:** Tracked globally under the COSPAR ID 1985-023C and SCN 15619.

## Body
### Mission Overview
Cosmos 1637 (also referred to as Kosmos 1637) was launched on March 21, 1985. The mission was a significant event for the Soviet Union's space program, occurring at exactly 00:08:00 UTC. 

### Technical Specifications
*   **Instance Of:** Strela-1M
*   **Launch Vehicle:** Kosmos-3M
*   **Launch Site:** Plesetsk Cosmodrome Site 132
*   **Satellite Catalog Number:** 15619

### Launch and Deployment
The deployment of Cosmos 1637 was facilitated by the Kosmos-3M rocket, a vehicle with strong ties to both Soviet and Russian space history. The launch originated from Site 132 at the Plesetsk Cosmodrome, a facility frequently used for military and communication satellite deployments.

### Identification and Tracking
The satellite is cataloged in several major scientific and academic databases:
*   **COSPAR ID:** 1985-023C
*   **SCN:** 15619
*   **Wolfram Entity Code:** Entity["Satellite", "15619"]
*   **Wikipedia Presence:** Information regarding the satellite is maintained in multiple languages, including Serbian (sr), Serbo-Croatian (sh), and Macedonian (mk).

## References

1. Jonathan's Space Report