# Cosmos 1660
**Wikidata**: [Q13566681](https://www.wikidata.org/wiki/Q13566681)  
**Source**: https://4ort.xyz/entity/cosmos-1660

## Summary  
Cosmos 1660 (also known as Kosmos 1660) was a Soviet geodetic satellite launched in 1985 as part of the GEO-IK series. It was designed for precise Earth measurements and launched aboard a Tsyklon-3 rocket from the Plesetsk Cosmodrome.

## Key Facts  
- **Launch Date**: June 14, 1985, at 10:36 UTC ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **COSPAR ID**: 1985-047A ([reference](https://www.wikidata.org/wiki/Q200386))  
- **Launch Vehicle**: Tsyklon-3, a Soviet/Ukrainian expendable rocket ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Launch Site**: Plesetsk Cosmodrome Site 32 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Satellite Catalog Number**: 15821 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Series**: Part of the GEO-IK series, which included 14 geodetic satellites launched between 1981 and 1994 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Aliases**: Also referred to as Kosmos 1660  

## FAQs  
### Q: What was the purpose of Cosmos 1660?  
A: Cosmos 1660 was a geodetic satellite designed for precise measurements of Earth's shape, gravitational field, and other geophysical data.  

### Q: Where was Cosmos 1660 launched from?  
A: It was launched from Plesetsk Cosmodrome Site 32, a Soviet/Russian spaceport ([reference](https://www.wikidata.org/wiki/Q6272367)).  

### Q: What rocket was used to launch Cosmos 1660?  
A: The Tsyklon-3, a Soviet/Ukrainian expendable launch vehicle, carried Cosmos 1660 into orbit ([reference](https://www.wikidata.org/wiki/Q6272367)).  

## Why It Matters  
Cosmos 1660 contributed to the GEO-IK program, which played a critical role in advancing Soviet geodetic science. By accurately mapping Earth's gravitational field and topography, these satellites supported military, scientific, and civilian applications, including navigation and cartography. The data gathered helped refine global geodetic models, influencing later satellite missions and Earth observation technologies.  

## Notable For  
- Part of the **GEO-IK series**, a key Soviet geodetic satellite program.  
- Launched aboard the **Tsyklon-3**, a workhorse of Soviet space missions.  
- Contributed to **precise Earth measurements**, aiding scientific and military applications.  

## Body  
### Launch Details  
- **Date**: June 14, 1985  
- **Time**: 10:36 UTC  
- **Site**: Plesetsk Cosmodrome Site 32 ([reference](https://www.wikidata.org/wiki/Q6272367))  

### Mission Profile  
- **Purpose**: Geodetic measurements (Earth's shape, gravitational field)  
- **Series**: GEO-IK (14 satellites launched between 1981–1994) ([reference](https://www.wikidata.org/wiki/Q6272367))  

### Technical Specifications  
- **Launch Vehicle**: Tsyklon-3 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Catalog Number**: 15821 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Aliases**: Kosmos 1660

## References

1. Jonathan's Space Report