# Cosmos 1644
**Wikidata**: [Q12907457](https://www.wikidata.org/wiki/Q12907457)  
**Source**: https://4ort.xyz/entity/cosmos-1644

## Summary
Cosmos 1644 was a Zenit 8 military spy satellite launched by the Soviet Union on April 3, 1985, from the Baikonur Cosmodrome. It was deployed using a Soyuz-U rocket and is identified by its COSPAR ID 1985-027A. The satellite was part of the Soviet Union's reconnaissance program, contributing to its intelligence-gathering capabilities.

## Key Facts
- **Launch Date**: April 3, 1985
- **Launch Vehicle**: Soyuz-U
- **Launch Site**: Baikonur Cosmodrome Site 31
- **COSPAR ID**: 1985-027A
- **Satellite Class**: Zenit 8 (military spy satellite)
- **Country of Origin**: Soviet Union
- **SCN (Satellite Catalog Number)**: 15636
- **Significant Event**: Rocket launch at 08:40:00 UTC on April 3, 1985, from Baikonur Cosmodrome Site 31

## FAQs
### Q: What type of satellite was Cosmos 1644?
A: Cosmos 1644 was a Zenit 8 military spy satellite, designed for reconnaissance purposes by the Soviet Union.

### Q: When and where was Cosmos 1644 launched?
A: Cosmos 1644 was launched on April 3, 1985, from Baikonur Cosmodrome Site 31 using a Soyuz-U rocket.

### Q: What was the COSPAR ID of Cosmos 1644?
A: The COSPAR ID of Cosmos 1644 is 1985-027A, assigned by the Committee on Space Research.

### Q: Which rocket was used to launch Cosmos 1644?
A: Cosmos 1644 was launched using a Soyuz-U rocket, a variant of the Soyuz rocket family.

### Q: What is the significance of Cosmos 1644?
A: Cosmos 1644 was part of the Soviet Union's military reconnaissance satellite program, contributing to its intelligence-gathering efforts during the Cold War.

## Why It Matters
Cosmos 1644 played a role in the Soviet Union's military reconnaissance program, which was a critical component of its Cold War-era intelligence operations. The Zenit 8 satellite class, of which Cosmos 1644 was an example, was designed to provide high-resolution imagery and other intelligence data. The launch of Cosmos 1644, along with other satellites in the program, demonstrated the Soviet Union's technological and strategic capabilities in space-based surveillance. While specific details about its operations are classified, the satellite's existence highlights the broader efforts of the Soviet space program to maintain a competitive edge in intelligence gathering. The Soyuz-U rocket, used for the launch, was a reliable and versatile launch vehicle that supported various Soviet space missions, including military and scientific payloads.

## Notable For
- **Military Reconnaissance**: Cosmos 1644 was part of the Soviet Union's Zenit 8 satellite series, designed for military reconnaissance.
- **Soyuz-U Launch**: The satellite was launched using the Soyuz-U rocket, a variant of the Soyuz family known for its reliability.
- **Baikonur Launch Site**: The launch occurred from Baikonur Cosmodrome Site 31, a key facility for Soviet space missions.
- **Cold War Era**: The satellite was operational during the Cold War, reflecting the Soviet Union's efforts to maintain a space-based intelligence advantage.
- **COSPAR Identification**: Cosmos 1644 is identified by COSPAR ID 1985-027A, a standard identifier for space objects.

## Body
### Overview
Cosmos 1644 is a Zenit 8 military spy satellite launched by the Soviet Union on April 3, 1985. It was part of the Soviet Union's reconnaissance satellite program, which aimed to provide intelligence data through space-based surveillance.

### Launch Details
- **Launch Date**: April 3, 1985
- **Launch Vehicle**: Soyuz-U
- **Launch Site**: Baikonur Cosmodrome Site 31
- **Launch Time**: 08:40:00 UTC

### Satellite Specifications
- **Satellite Class**: Zenit 8
- **COSPAR ID**: 1985-027A
- **SCN (Satellite Catalog Number)**: 15636

### Significance
Cosmos 1644 was part of the Soviet Union's military reconnaissance program, which was a key component of its Cold War-era intelligence operations. The Zenit 8 satellite class, of which Cosmos 1644 was an example, was designed to provide high-resolution imagery and other intelligence data. The launch of Cosmos 1644, along with other satellites in the program, demonstrated the Soviet Union's technological and strategic capabilities in space-based surveillance.

### Related Entities
- **Zenit 8**: A military spy satellite class used by the Soviet Union.
- **Soyuz-U**: A variant of the Soyuz rocket family, known for its reliability and versatility.

### References
- **Wikidata**: Q6272367
- **COSPAR**: Q200386
- **Wikipedia**: Available in Macedonian (mk), Serbo-Croatian (sh), and Serbian (sr)

## References

1. Jonathan's Space Report