# Cosmos 1689
**Wikidata**: [Q12753398](https://www.wikidata.org/wiki/Q12753398)  
**Source**: https://4ort.xyz/entity/cosmos-1689

## Summary
Cosmos 1689 is a Soviet military satellite launched on October 3, 1985, as part of the Kosmos series. It was launched from the Baikonur Cosmodrome using a Vostok-2M rocket and is associated with the Resours-O1 program.

## Key Facts
- **Launch Date**: October 3, 1985
- **Launch Vehicle**: Vostok-2M
- **Launch Site**: Baikonur Cosmodrome Site 31
- **Series**: Part of the Kosmos series of Soviet/Russian military satellites
- **Program**: Associated with the Resours-O1 class
- **COSPAR ID**: 1985-090A
- **Sitelink Count**: 3 (indicating limited public documentation)
- **Significant Event**: Rocket launch at 05:48:00 UTC on October 3, 1985

## FAQs
### Q: What was the purpose of Cosmos 1689?
A: Cosmos 1689 was a military satellite launched as part of the Kosmos series, likely for reconnaissance or communications, given its association with the Resours-O1 program.

### Q: Which rocket was used to launch Cosmos 1689?
A: The satellite was launched using a Vostok-2M rocket from Baikonur Cosmodrome Site 31.

### Q: Is there public documentation about Cosmos 1689?
A: The satellite has only 3 sitelinks, suggesting limited public documentation, typical for classified military satellites.

### Q: What is the Resours-O1 program?
A: Resours-O1 is a class of Soviet/Russian satellites, and Cosmos 1689 is part of this program, though specific details remain classified.

### Q: How does Cosmos 1689 compare to other Kosmos satellites?
A: Like other Kosmos satellites, Cosmos 1689 is part of a series of Soviet/Russian military satellites, but its exact role and capabilities are not publicly disclosed.

## Why It Matters
Cosmos 1689 is part of a long history of Soviet/Russian military satellites designed for reconnaissance, communications, and other strategic purposes. The Kosmos series, of which it is a member, played a crucial role in the Cold War era, providing the USSR with advanced surveillance and communication capabilities. While details about individual satellites like Cosmos 1689 remain classified, the program as a whole contributed significantly to the Soviet space program’s achievements. The satellite’s launch and operation reflect the broader efforts of the Soviet space agency to maintain a technological edge during the Cold War. Its association with the Resours-O1 program highlights the continued evolution of military space technology in the late 1980s.

## Notable For
- **Military Satellite**: Part of the Kosmos series, a long-running program of Soviet/Russian military satellites.
- **Vostok-2M Launch**: One of the few satellites launched using this expendable carrier rocket.
- **Resours-O1 Association**: Linked to a classified program of Soviet/Russian satellites, suggesting specialized capabilities.
- **Limited Documentation**: Few sitelinks indicate a lack of public information, typical for classified military space missions.
- **Cold War Era**: Launched during the peak of the Cold War, reflecting the Soviet Union’s investment in military space technology.

## Body
### Launch Details
Cosmos 1689 was launched on **October 3, 1985**, at **05:48:00 UTC** from **Baikonur Cosmodrome Site 31**. The satellite was deployed using a **Vostok-2M** rocket, a carrier rocket with a history of launching military and scientific payloads.

### Classification and Program
The satellite is classified under the **Kosmos series**, a long-standing program of Soviet/Russian military satellites. It is associated with the **Resours-O1** class, a program with limited public documentation. The **COSPAR ID 1985-090A** identifies it as a Soviet/Russian satellite launched in 1985.

### Significance
Cosmos 1689 is part of a broader effort by the Soviet Union to maintain a technological edge in space during the Cold War. The Kosmos series, of which it is a member, played a critical role in military reconnaissance, communications, and other strategic missions. While specific details about Cosmos 1689 remain classified, its launch and operation are consistent with the broader goals of the Soviet space program.

### Documentation and Availability
The satellite has only **three sitelinks**, indicating limited public documentation. This is typical for military satellites, which often operate in classified environments. The lack of extensive public records reflects the secrecy surrounding Soviet/Russian military space programs.

## References

1. Jonathan's Space Report