# Cosmos 1674
**Wikidata**: [Q12753393](https://www.wikidata.org/wiki/Q12753393)  
**Source**: https://4ort.xyz/entity/cosmos-1674

## Summary
Cosmos 1674 is a Soviet signals intelligence satellite launched on August 8, 1985, from the Plesetsk Cosmodrome. It was part of the Tselina-D series and was launched using the Tsyklon-3 rocket. The satellite's COSPAR ID is 1985-069A.

## Key Facts
- **Launch Date**: August 8, 1985
- **Launch Vehicle**: Tsyklon-3
- **Launch Site**: Plesetsk Cosmodrome Site 32
- **COSPAR ID**: 1985-069A
- **Satellite Class**: Tselina-D
- **SCN (Satellite Catalog Number)**: 15944
- **Significant Event**: Rocket launch at 11:49:00 UTC on August 8, 1985, from Plesetsk Cosmodrome Site 32

## FAQs
### Q: What type of satellite was Cosmos 1674?
A: Cosmos 1674 was a Tselina-D class satellite, designed for signals intelligence operations.

### Q: Which rocket was used to launch Cosmos 1674?
A: The satellite was launched using the Tsyklon-3 rocket.

### Q: Where was Cosmos 1674 launched from?
A: It was launched from Plesetsk Cosmodrome Site 32 in the Soviet Union.

### Q: What is the COSPAR ID of Cosmos 1674?
A: The COSPAR ID for Cosmos 1674 is 1985-069A.

### Q: What is the Satellite Catalog Number (SCN) of Cosmos 1674?
A: The SCN for Cosmos 1674 is 15944.

## Why It Matters
Cosmos 1674 is significant as part of the Soviet Union's extensive network of signals intelligence satellites. The Tselina-D series, of which Cosmos 1674 was a member, played a crucial role in monitoring global communications, including military and diplomatic transmissions. Launched during the Cold War, these satellites were part of the Soviet Union's efforts to maintain surveillance capabilities and gather intelligence. The Tsyklon-3 rocket, used for the launch, was a reliable Soviet expendable launch vehicle, contributing to the efficiency and success of the mission. Cosmos 1674, like other Tselina-D satellites, operated in low Earth orbit, providing continuous coverage for signals intelligence operations. Its inclusion in the Satellite Catalog (SCN 15944) reflects its operational status and role in the broader satellite constellation. The mission highlights the Soviet Union's advancements in space-based intelligence gathering and its strategic use of satellite technology during the Cold War era.

## Notable For
- **Part of the Tselina-D series**: Cosmos 1674 was a member of the Tselina-D class of Soviet signals intelligence satellites.
- **Launched by Tsyklon-3**: The satellite was launched using the Tsyklon-3 rocket, a Soviet expendable launch vehicle.
- **Operated in low Earth orbit**: Like other Tselina-D satellites, Cosmos 1674 was designed to operate in low Earth orbit for signals intelligence purposes.
- **Included in the Satellite Catalog**: Cosmos 1674 is listed in the Satellite Catalog with the number 15944, indicating its operational status.
- **COSPAR ID 1985-069A**: The satellite's COSPAR ID reflects its launch in 1985 and its designation as the first object launched under that mission.

## Body
### Satellite Overview
Cosmos 1674 is a Soviet signals intelligence satellite launched on August 8, 1985. It is part of the Tselina-D series, which was designed for monitoring global communications, including military and diplomatic transmissions. The satellite was launched using the Tsyklon-3 rocket, a reliable Soviet expendable launch vehicle. The launch took place at 11:49:00 UTC from Plesetsk Cosmodrome Site 32.

### Technical Specifications
- **Satellite Class**: Tselina-D
- **Launch Vehicle**: Tsyklon-3
- **Launch Date**: August 8, 1985
- **Launch Site**: Plesetsk Cosmodrome Site 32
- **COSPAR ID**: 1985-069A
- **Satellite Catalog Number (SCN)**: 15944

### Operational Details
Cosmos 1674 operated in low Earth orbit, contributing to the Soviet Union's signals intelligence capabilities. The satellite was part of a broader network of Tselina-D satellites, which were used to monitor and intercept communications worldwide. The Tsyklon-3 rocket, known for its reliability, played a crucial role in the successful deployment of Cosmos 1674.

### Historical Context
Launched during the Cold War, Cosmos 1674 was part of the Soviet Union's efforts to maintain a comprehensive surveillance network. The Tselina-D series, including Cosmos 1674, was instrumental in gathering intelligence on global communications. The satellite's inclusion in the Satellite Catalog (SCN 15944) underscores its operational significance and role in the broader satellite constellation.

### Related Entities
- **Tselina-D**: The satellite class to which Cosmos 1674 belongs.
- **Tsyklon-3**: The launch vehicle used to deploy Cosmos 1674.
- **Plesetsk Cosmodrome Site 32**: The launch site for Cosmos 1674.

## References

1. Jonathan's Space Report