# Kosmos 1661

> Russian military early warning satellite

**Wikidata**: [Q3398195](https://www.wikidata.org/wiki/Q3398195)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kosmos_1661)  
**Source**: https://4ort.xyz/entity/kosmos-1661

## Summary
Kosmos 1661 was a Russian military early warning satellite launched on June 18, 1985, as part of the US-K series. It was deployed into orbit using a Molniya-M rocket from the Plesetsk Cosmodrome Site 16.

## Key Facts
- Kosmos 1661 was launched on June 18, 1985 at 00:40:26 from Plesetsk Cosmodrome Site 16
- It was part of the US-K series of Soviet and Russian early warning satellites
- The satellite was deployed using a Molniya-M rocket as the launch vehicle
- Kosmos 1661 has the COSPAR designation 1985-049A
- It was identified with SCN number 15827
- The satellite has a Freebase ID of /m/0j_7qns
- Kosmos 1661 has 5 sitelinks across various language Wikipedia editions
- The Wolfram Language entity code is Entity["Satellite", "15827"]

## FAQs
### Q: What was the purpose of Kosmos 1661?
A: Kosmos 1661 was a military early warning satellite designed to detect missile launches and other space-based threats. It was part of the Soviet Union's space-based defense system to provide early detection of potential attacks.

### Q: Where and when was Kosmos 1661 launched?
A: Kosmos 1661 was launched on June 18, 1985 at 00:40:26 from Plesetsk Cosmodrome Site 16 using a Molniya-M rocket as the launch vehicle.

### Q: What series or class does Kosmos 1661 belong to?
A: Kosmos 1661 belongs to the US-K series, which was a classification for Soviet and Russian early warning satellites.

### Q: What is Kosmos 1661's designation in various catalog systems?
A: Kosmos 1661 has the COSPAR ID 1985-049A, SCN number 15827, and Freebase ID /m/0j_7qns.

### Q: How can I find more information about Kosmos 1661?
A: Information about Kosmos 1661 is available in 5 different language editions of Wikipedia, including English, Macedonian, Portuguese, Serbo-Croatian, and Serbian.

## Why It Matters
Kosmos 1661 represents a critical component of the Soviet Union's space-based early warning system during the Cold War era. As part of the US-K series, this satellite contributed to the strategic defense capabilities of the Soviet Union by providing early detection of potential missile launches. Early warning systems like Kosmos 1661 were essential for maintaining national security and providing a deterrent against surprise attacks. The satellite's launch in 1985 came during a period of heightened tensions between the superpowers, underscoring the importance of space-based surveillance in maintaining global stability.

## Notable For
- Part of the US-K series, specifically designed for military early warning purposes
- Launched during a period of heightened Cold War tensions in 1985
- Utilized the Molniya-M rocket, a workhorse of the Soviet space program
- Has presence in multiple language Wikipedia editions (English, Macedonian, Portuguese, Serbo-Croatian, Serbian)
- Identified with multiple cataloging systems including COSPAR ID 1985-049A and SCN 15827

## Body
### Mission and Classification
Kosmos 1661 was a military early warning satellite belonging to the US-K series, which were specifically designed to detect ballistic missile launches and other space-based threats. These satellites played a crucial role in the Soviet Union's space-based defense system, providing early warning capabilities that were vital for national security during the Cold War period.

### Launch Details
The satellite was launched on June 18, 1985 at exactly 00:40:26 from Plesetsk Cosmodrome Site 16. The launch vehicle was a Molniya-M rocket, which was a variant of the R-7 Semyorka family and commonly used for Soviet space missions during this period.

### Technical Identification
Kosmos 1661 has been cataloged with various identifiers across different systems:
- COSPAR ID: 1985-049A
- SCN: 15827
- Freebase ID: /m/0j_7qns
- Wolfram Language entity code: Entity["Satellite", "15827"]

### Presence in Knowledge Systems
The satellite has a notable presence in multiple knowledge systems, with 5 sitelinks across various language Wikipedia editions including English, Macedonian, Portuguese, Serbo-Croatian, and Serbian. This indicates its recognition as a significant satellite within the global space community.

### Historical Context
Launched in 1985, Kosmos 1661 operated during the late stages of the Cold War when tensions between the Soviet Union and the United States remained high. Early warning satellites like Kosmos 1661 were essential components of the strategic balance of power, providing the ability to detect missile launches and potentially nuclear attacks before they reached their targets.

## References

1. Jonathan's Space Report