# Cosmos 1147
**Wikidata**: [Q12753131](https://www.wikidata.org/wiki/Q12753131)  
**Source**: https://4ort.xyz/entity/cosmos-1147

## Summary
Cosmos 1147 was a Soviet spy satellite launched on December 12, 1979. Identified by the COSPAR ID 1979-102A, it was a Zenit 6U class spacecraft launched aboard a Soyuz-U rocket from the Plesetsk Cosmodrome.

## Key Facts
- **Classification:** Cosmos 1147 is an instance of the Zenit 6U, a class of Soviet spy satellite.
- **Launch Date:** The satellite was launched on December 12, 1979.
- **Launch Vehicle:** It was propelled into orbit by a Soyuz-U rocket.
- **Launch Site:** The launch originated from Plesetsk Cosmodrome Site 43.
- **COSPAR ID:** Its international designation is 1979-102A.
- **Satellite Catalog Number:** It is tracked under satellite catalog number 11638.
- **Launch Event specifics:** The launch occurred at 12:30:00 on the date of departure.
- **Aliases:** The satellite is also known as Kosmos 1147.

## FAQs
### Q: What type of satellite was Cosmos 1147?
A: Cosmos 1147 was a Soviet spy satellite, specifically classified as a Zenit 6U model.

### Q: When was Cosmos 1147 launched?
A: The satellite was launched on December 12, 1979, at 12:30:00.

### Q: What rocket was used to launch Cosmos 1147?
A: The satellite was launched using a Soyuz-U rocket, a universal design variant of the Soyuz rocket family.

## Why It Matters
Cosmos 1147 serves as a specific historical data point within the extensive Soviet "Kosmos" program, which designated a vast majority of Soviet military satellites. As a Zenit 6U satellite, it represents a specific era and technological standard of Soviet reconnaissance capabilities during the late Cold War. The mission highlights the operational reliance on the Soyuz-U launch vehicle, a workhorse of the Soviet space fleet, and utilizes the Plesetsk Cosmodrome, a primary launch site for military payloads. Recording precise details such as the exact launch time (12:30:00) and site (Site 43) aids space historians and trackers in differentiating this specific mission from the thousands of other Kosmos designations.

## Notable For
- Being a confirmed **Zenit 6U** spy satellite.
- Launching from **Plesetsk Cosmodrome Site 43**, a key Soviet military launch complex.
- Utilizing the **Soyuz-U** rocket, one of the most frequently used launch vehicles in history.
- Having a precise recorded launch time of **12:30:00**.
- Being tracked under the specific **Satellite Catalog Number 11638**.

## Body

### Mission Classification
Cosmos 1147 was a man-made object classified under the Zenit 6U class. This class of spacecraft was utilized by the Soviet Union for reconnaissance purposes, functioning as a spy satellite. The entity is cataloged in various databases, including Wikidata and Wolfram Language, where it is represented by the entity code `Entity["Satellite", "11638"]`.

### Launch Operations
The satellite was successfully launched on **December 12, 1979**. The mission began at the **Plesetsk Cosmodrome Site 43**, a major spaceport located in northwestern Russia.

The launch was facilitated by a **Soyuz-U** rocket. The Soyuz-U is a variant of the Soyuz rocket design known as "Universal," capable of carrying both crewed and uncrewed payloads.

### Identifiers and Metadata
To distinguish it from other missions, Cosmos 1147 is assigned the following identifiers:
- **COSPAR ID:** 1979-102A
- **Satellite Catalog Number (SCN):** 11638

The launch event is recorded as a "rocket launch" taking place at the specific location of Plesetsk Cosmodrome Site 43 at the coordinates provided by the site designation. The satellite has sitelinks in Macedonian (mk), Serbo-Croatian (sh), and Serbian (sr) on Wikipedia.

## References

1. Jonathan's Space Report