# Kosmos 1658

> Russian military early warning satellite

**Wikidata**: [Q3399175](https://www.wikidata.org/wiki/Q3399175)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kosmos_1658)  
**Source**: https://4ort.xyz/entity/kosmos-1658

## Summary
Kosmos 1658 is a Russian military early warning satellite launched in 1985 as part of the Soviet Union's missile defense network. It is a member of the US-K series of satellites, which were designed to provide early detection of ballistic missile launches.

## Key Facts
- **Classification:** US-K series early warning satellite
- **Launch Date:** June 11, 1985
- **Launch Time:** 14:26:57
- **Launch Vehicle:** Molniya-M rocket
- **Launch Site:** Plesetsk Cosmodrome Site 41
- **Satellite Catalog Number (SCN):** 15808
- **COSPAR ID:** 1985-045A
- **Wolfram Language Code:** Entity["Satellite", "15808"]
- **Instance of:** Russian military early warning satellite

## FAQs
### Q: What was the primary purpose of Kosmos 1658?
A: Kosmos 1658 served as a military early warning satellite. Its mission was to detect missile launches to provide the Soviet Union with advanced notice of potential strategic threats.

### Q: Which rocket was used to deploy Kosmos 1658?
A: The satellite was launched into orbit using a Molniya-M Soviet space launcher rocket. This vehicle was a standard launcher for the US-K class of satellites.

### Q: Where was Kosmos 1658 launched from?
A: It was launched from Site 41 at the Plesetsk Cosmodrome. This site was a primary location for Soviet military space operations.

## Why It Matters
Kosmos 1658 was a functional component of the US-K series, a critical layer in the Soviet and Russian early warning infrastructure. During the Cold War era, these satellites were essential for maintaining strategic balance by ensuring that any missile launch could be detected shortly after liftoff. The deployment of Kosmos 1658 in 1985 reflects the continued development and maintenance of the Soviet Union's space-based surveillance capabilities. By utilizing the Molniya-M launcher and the Plesetsk Cosmodrome, the mission demonstrated the standardized military procedures used to sustain a permanent presence in orbit for national security purposes.

## Notable For
- **US-K Series Membership:** It is part of a specific lineage of Soviet and Russian early warning satellites designed for high-reliability military surveillance.
- **Strategic Launch Timing:** Launched during the mid-1980s, a period of significant focus on orbital early warning systems.
- **Technical Identification:** Recognized in international tracking systems by SCN 15808 and COSPAR ID 1985-045A.
- **Specific Launch Origin:** Deployed from the historically significant Site 41 at the Plesetsk Cosmodrome.

## Body

### Mission and Classification
Kosmos 1658 is categorized as a Russian military early warning satellite. It is an instance of the **US-K class**, a series of satellites developed by the Soviet Union to monitor for ballistic missile launches. These assets were fundamental to the Soviet Union's strategic defense posture.

### Launch and Deployment
The satellite was successfully launched on **June 11, 1985**. The launch event was recorded at **14:26:57** UTC. The mission utilized the following infrastructure:
*   **Launch Vehicle:** The Molniya-M, a Soviet space launcher rocket specifically associated with the US-K series.
*   **Launch Site:** Plesetsk Cosmodrome Site 41, a major military spaceport.

### Technical Specifications and Tracking
Kosmos 1658 is tracked under several international and technical identifiers:
*   **SCN:** 15808
*   **COSPAR ID:** 1985-045A
*   **Freebase ID:** /m/0j_3d03
*   **Wolfram Language Entity Code:** Entity["Satellite", "15808"]

The satellite's documentation is available across multiple languages, including English, Macedonian, Serbo-Croatian, and Serbian, reflecting its presence in international satellite catalogs.

## References

1. Jonathan's Space Report