# Cosmos 1685
**Wikidata**: [Q13566685](https://www.wikidata.org/wiki/Q13566685)  
**Source**: https://4ort.xyz/entity/cosmos-1685

## Summary
Cosmos 1685 was a Soviet military spy satellite launched on September 26, 1985. Designated as a Zenit 8 class spacecraft, it was deployed into orbit using a Soyuz-U rocket from the Plesetsk Cosmodrome to fulfill reconnaissance objectives.

## Key Facts
- **Classification:** Cosmos 1685 is an instance of a Zenit 8, a class of military spy satellite utilized by the Soviet Union.
- **Launch Date:** The satellite was launched on September 26, 1985.
- **Launch Vehicle:** It was delivered to orbit using a Soyuz-U rocket, a "Universal" variant of the Soyuz rocket design.
- **Launch Site:** The launch originated from Plesetsk Cosmodrome Site 16.
- **Launch Time:** The significant rocket launch event occurred at 11:15:00.
- **COSPAR ID:** The international designation for this object is 1985-085A.
- **Satellite Catalog Number:** The US Space Command (SCN) tracks this object under the number 16088.
- **Alternative Name:** The satellite is also known by the alias "Kosmos 1685."

## FAQs
### Q: What type of satellite was Cosmos 1685?
A: Cosmos 1685 was a Zenit 8 military spy satellite used by the Soviet Union for reconnaissance.

### Q: When and how was Cosmos 1685 launched?
A: It launched on September 26, 1985, at 11:15:00, using a Soyuz-U rocket from the Plesetsk Cosmodrome Site 16.

### Q: What are the international identifiers for Cosmos 1685?
A: The satellite carries the COSPAR ID 1985-085A and the Satellite Catalog Number (SCN) 16088.

## Why It Matters
Cosmos 1685 serves as a specific historical example of the Soviet Union's extensive military space program during the Cold War. As a Zenit 8 satellite, it represents a generation of automated spacecraft designed for photoreconnaissance, providing critical intelligence gathering capabilities without the need for human presence on board. The mission highlights the operational reliance on the Soyuz-U launcher, a workhorse of the Soviet and later Russian space fleets, demonstrating the synergy between robust launch systems and military payload deployment. Furthermore, its launch from Plesetsk Cosmodrome Site 16 underscores the strategic importance of this northern launch complex for military orbital insertions. For analysts of space history, entities like Cosmos 1685 offer verifiable data points regarding the frequency, hardware, and launch logistics of Soviet defense operations in the mid-1980s.

## Notable For
- **Military Application:** Being a member of the Zenit 8 class, explicitly defined as a military spy satellite.
- **Launch Infrastructure:** Utilizing Plesetsk Cosmodrome Site 16, a key Soviet/Russian launch facility.
- **Launch Vehicle:** Deployment via the Soyuz-U, a universal variant of the historic Soyuz rocket family.
- **Data Tracking:** Being distinctively tracked in the Wolfram Language entity system as `Entity["Satellite", "16088"]`.

## Body
### Mission Classification
Cosmos 1685 is officially classified as an instance of **Zenit 8**. This class of spacecraft is defined in the source material as a military spy satellite utilized by the Soviet Union. The "Cosmos" designation was a standard practice by the Soviet Union to name its military satellites, obscuring their specific reconnaissance nature under a generic scientific label.

### Launch Operations
The satellite was successfully launched on **September 26, 1985**. The launch window was precise, with the significant event (rocket launch) occurring at **11:15:00**.
*   **Launch Vehicle:** The launch vehicle used was the **Soyuz-U**. This variant is described as the "Universal" design of the Soyuz rocket. The vehicle is associated with the Soviet Union.
*   **Location:** The launch took place at **Plesetsk Cosmodrome Site 16**. This facility is a major spaceport used for military and scientific launches.

### Identifiers and Data
Cosmos 1685 is tracked and referenced through several international and database-specific identifiers:
*   **COSPAR ID:** 1985-085A
*   **Satellite Catalog Number (SCN):** 16088
*   **Aliases:** Kosmos 1685
*   **Wikipedia Presence:** The entity has sitelinks in three languages: mk (Macedonian), sh (Serbo-Croatian), and sr (Serbian).

## References

1. Jonathan's Space Report