# Cosmos 1673

> Russian satellite

**Wikidata**: [Q12753394](https://www.wikidata.org/wiki/Q12753394)  
**Source**: https://4ort.xyz/entity/cosmos-1673

## Summary
Cosmos 1673 was a Soviet reconnaissance satellite launched on August 8, 1985. It was specifically a Yantar-1KFT spy satellite, part of the broader Kosmos series of military satellites.

## Key Facts
- **Class**: Yantar-1KFT (Soviet spy satellite)
- **Launch Date**: August 8, 1985
- **Launch Vehicle**: Soyuz-U
- **Launch Site**: Gagarin's Start
- **SCN Catalog Number**: 15942
- **COSPAR ID**: 1985-068A
- **Part of Series**: Kosmos (series of Soviet/Russian military satellites)
- **Launch Time**: 10:19:00 (local time at launch site)
- **Country of Launch Vehicle**: Soviet Union

## FAQs
### Q: What was the purpose of Cosmos 1673?
A: Cosmos 1673 was a Soviet reconnaissance satellite, specifically designed for military intelligence gathering as part of the Yantar-1KFT program.

### Q: When and where was Cosmos 1673 launched?
A: It was launched on August 8, 1985, at 10:19:00 local time from Gagarin's Start using a Soyuz-U rocket.

### Q: What specific type of satellite is Cosmos 1673?
A: Cosmos 1673 is an instance of the Yantar-1KFT class, which refers to Soviet spy satellites.

### Q: Which rocket carried Cosmos 1673 into space?
A: It was launched by a Soyuz-U rocket, a variant of the Soyuz rocket design.

## Why It Matters
Cosmos 1673 represents a significant component of the Soviet Union's Cold War-era military reconnaissance capabilities. As a Yantar-1KFT satellite, it contributed to the nation's space-based intelligence network, providing valuable imagery and data for defense purposes. The launch itself, utilizing a reliable Soyuz-U vehicle from the historic Gagarin's Start, underscores the continued operational maturity of the Soviet space program in the mid-1980s. Its inclusion in the Kosmos series highlights the vast scale and sustained effort of Soviet military satellite activities throughout this period.

## Notable For
- **Specific Spy Satellite Class**: Belongs to the specialized Yantar-1KFT class, distinct from other Kosmos satellites.
- **Precise Launch Time**: Launched at exactly 10:19:00 on August 8, 1985, from Gagarin's Start.
- **Unique Catalog Identification**: Identified by SCN number 15942 and COSPAR ID 1985-068A within the broader satellite catalog.
- **Soyuz-U Deployment**: Utilized the Soyuz-U launch vehicle, a variant of the Universal Soyuz rocket design.

## Body
### Classification and Series
- Cosmos 1673 is an instance of the Yantar-1KFT satellite class.
- It is part of the larger Kosmos series, a designation encompassing Soviet and Russian military satellites.
- The Wolfram Language entity code is `Entity["Satellite", "15942"]`.

### Launch Details
- **Launch Date**: August 8, 1985
- **Launch Time**: 10:19:00 (local time at launch site)
- **Launch Site**: Gagarin's Start
- **Launch Vehicle**: Soyuz-U
- **Country of Launch Vehicle Origin**: Soviet Union
- **COSPAR ID**: 1985-068A
- **SCN Catalog Number**: 15942

### Related Entities
- **Class**: Yantar-1KFT (Soviet spy satellite)
- **Launch Vehicle Class**: Soyuz-U (Soyuz rocket design variant - Universal)
- **Series**: Kosmos (series of Soviet and Russian military satellites)

### Technical and Identifiers
- **Aliases**: Kosmos 1673
- **Sitelink Count**: 3 (Wikipedia editions exist in Macedonian (mk), Serbo-Croatian (sh), and Serbian (sr))
- **Significant Event**: Rocket launch on August 8, 1985, at Gagarin's Start, 10:19:00.

## References

1. Jonathan's Space Report