# Cosmos 1681
**Wikidata**: [Q12753396](https://www.wikidata.org/wiki/Q12753396)  
**Source**: https://4ort.xyz/entity/cosmos-1681

## Summary
Cosmos 1681 is a Soviet satellite launched on September 6, 1985, as part of the Cosmos program. It belongs to the Fram class of satellites and was launched using a Soyuz-U rocket from the Plesetsk Cosmodrome. The satellite is identified by COSPAR ID 1985-080A and SCN number 16018.

## Key Facts
- Launched on **September 6, 1985**, at **10:45 UTC**
- Launch site: **Plesetsk Cosmodrome Site 41**
- Launch vehicle: **Soyuz-U** rocket
- Satellite class: **Fram**
- Alternate name: **Kosmos 1681**
- COSPAR ID: **1985-080A**
- SCN number: **16018**
- Country of origin: **Soviet Union**

## FAQs
### Q: What is Cosmos 1681?
A: Cosmos 1681 is a Soviet-era satellite launched in 1985 as part of the Cosmos program. It is classified under the Fram satellite class and was used for scientific or military purposes typical of that series.

### Q: When was Cosmos 1681 launched?
A: Cosmos 1681 was launched on **September 6, 1985**, at **10:45 UTC** from the Plesetsk Cosmodrome in the Soviet Union.

### Q: What kind of satellite is Cosmos 1681?
A: Cosmos 1681 is part of the **Fram class** of satellites, which were typically designed for Earth observation or other specialized missions within the Soviet space program.

## Why It Matters
Cosmos 1681 represents one segment of the extensive Soviet Cosmos satellite program, which played a key role in advancing space-based research and surveillance during the Cold War era. As part of this program, Cosmos 1681 contributed to the USSR’s efforts in monitoring terrestrial activities, testing technology, or conducting scientific experiments in orbit. Its launch reflects the scale and routine nature of Soviet space operations in the mid-1980s, utilizing proven platforms like the Soyuz-U rocket and standardized satellite designs such as the Fram class. While specific mission details may remain classified or undocumented, its existence underscores the technological capabilities and strategic priorities of the Soviet space infrastructure during that period.

## Notable For
- Being part of the long-running **Cosmos satellite program** of the Soviet Union
- Utilizing the reliable **Soyuz-U launch vehicle**, a widely used variant for military and scientific payloads
- Classified under the **Fram satellite class**, indicating a specific mission profile likely tied to Earth observation or calibration
- Launching from **Plesetsk Cosmodrome**, a major Soviet spaceport for military launches
- Having international identification via **COSPAR ID 1985-080A**, allowing global tracking and cataloging

## Body

### Mission Overview
Cosmos 1681 was launched as part of the Soviet Union's expansive Cosmos program, which encompassed hundreds of satellites used for various military, scientific, and experimental purposes. Missions under this program often had dual-use applications, combining technological demonstration with operational utility.

### Launch Details
The satellite was launched on **September 6, 1985**, at **10:45 UTC**, from **Launch Site 41** at the **Plesetsk Cosmodrome**, located in the Arkhangelsk Oblast of the USSR. This facility was primarily used for launching military satellites and intercontinental ballistic missiles.

### Launch Vehicle
Cosmos 1681 was deployed using a **Soyuz-U** rocket, a variant of the well-known Soyuz family. The Soyuz-U was extensively used throughout the 1970s and 1980s for both crewed and uncrewed missions due to its reliability and adaptability.

### Satellite Class
It is categorized under the **Fram class**, a designation associated with specific types of Soviet satellites, often linked to Earth observation or calibration missions. These satellites were typically standardized to reduce development time and cost.

### Identification and Tracking
- **Alternate name**: Kosmos 1681  
- **COSPAR ID**: 1985-080A  
- **SCN (Spacecraft Number)**: 16018  

These identifiers allow for consistent cataloging and tracking by international space agencies and databases such as Wolfram Alpha, which lists it under `Entity["Satellite", "16018"]`.

### Legacy and Documentation
While detailed public information regarding its specific mission remains limited, Cosmos 1681 is documented across multiple linguistic editions of Wikipedia (Macedonian, Serbo-Croatian, Serbian) and is indexed in space tracking databases. Its inclusion in these systems confirms its successful orbital deployment and historical relevance within the context of Cold War-era space activity.

## References

1. Jonathan's Space Report