# Cosmos 2172
**Wikidata**: [Q12907595](https://www.wikidata.org/wiki/Q12907595)  
**Source**: https://4ort.xyz/entity/cosmos-2172

## Summary
Cosmos 2172 was a Soviet-era Potok satellite launched on November 22, 1991, from the Baikonur Cosmodrome. It was part of the Potok satellite program and was launched using a Proton-K rocket with a Blok DM-2 upper stage.

## Key Facts
- **Instance of**: Potok satellite
- **Launch date**: November 22, 1991
- **Launch vehicle**: Proton-K
- **Upper stage**: Blok DM-2
- **Launch site**: Baikonur Cosmodrome Site 81/23
- **Launch time**: 13:27:00 UTC
- **COSPAR ID**: 1991-079A
- **SCN (Satellite Catalog Number)**: 21789
- **Wikipedia availability**: Available in Macedonian, Serbo-Croatian, and Serbian

## FAQs
### Q: What was the purpose of Cosmos 2172?
A: Cosmos 2172 was part of the Potok satellite program, which was likely used for military or intelligence-related communications and reconnaissance.

### Q: Which rocket launched Cosmos 2172?
A: Cosmos 2172 was launched using a Proton-K rocket with a Blok DM-2 upper stage.

### Q: Where was Cosmos 2172 launched from?
A: The satellite was launched from Baikonur Cosmodrome Site 81/23 in Kazakhstan.

### Q: What is the COSPAR ID of Cosmos 2172?
A: The COSPAR ID for Cosmos 2172 is 1991-079A.

### Q: Is Cosmos 2172 still in orbit?
A: The status of Cosmos 2172's orbit is not specified in the provided source material.

## Why It Matters
Cosmos 2172 is significant as part of the Potok satellite program, which was a series of Soviet-era satellites used for military and intelligence purposes. The Potok satellites were designed to provide secure communications and reconnaissance capabilities, contributing to the Soviet Union's space-based intelligence network. The launch of Cosmos 2172, along with other Potok satellites, played a role in maintaining the Soviet Union's technological and strategic advantages in space. While the exact details of its mission are classified, its inclusion in the Potok program highlights the broader efforts of the Soviet space program to advance military space capabilities.

## Notable For
- **Part of the Potok satellite program**, a series of Soviet-era satellites used for military and intelligence purposes.
- **Launched by a Proton-K rocket**, a powerful Soviet-era carrier rocket.
- **Used a Blok DM-2 upper stage**, which provided additional thrust for precise orbital insertion.
- **Launched from Baikonur Cosmodrome**, a key site for Soviet and later Russian space launches.
- **Assigned COSPAR ID 1991-079A**, indicating its identification in international space tracking systems.

## Body
### Classification
Cosmos 2172 is classified as a Potok satellite, part of a series of Soviet-era satellites used for military and intelligence purposes. The Potok program was designed to provide secure communications and reconnaissance capabilities, contributing to the Soviet Union's space-based intelligence network.

### Launch Details
- **Launch Date**: November 22, 1991
- **Launch Time**: 13:27:00 UTC
- **Launch Site**: Baikonur Cosmodrome Site 81/23
- **Launch Vehicle**: Proton-K
- **Upper Stage**: Blok DM-2

### Identification
- **COSPAR ID**: 1991-079A
- **SCN (Satellite Catalog Number)**: 21789

### Wikipedia Availability
Cosmos 2172 has Wikipedia entries in Macedonian, Serbo-Croatian, and Serbian, indicating its relevance in those linguistic regions.

### Related Entities
- **Potok**: The satellite class to which Cosmos 2172 belongs.
- **Proton-K**: The carrier rocket used to launch Cosmos 2172.

## References

1. Jonathan's Space Report