# Kosmos 2084

> Russian military early warning satellite

**Wikidata**: [Q3398152](https://www.wikidata.org/wiki/Q3398152)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kosmos_2084)  
**Source**: https://4ort.xyz/entity/kosmos-2084

## Summary
Kosmos 2084 is a Russian military early warning satellite launched in 1990 as part of the US-K series. It was designed to provide space-based surveillance to detect missile launches for the Soviet and Russian defense systems.

## Key Facts
- **Launch Date:** June 21, 1990
- **Launch Time:** 20:45:52
- **Classification:** US-K (Oko) series early warning satellite
- **Launch Vehicle:** Molniya-M rocket
- **Launch Site:** Plesetsk Cosmodrome Site 43
- **Satellite Catalog Number (SCN):** 20663
- **COSPAR ID:** 1990-055A
- **Freebase ID:** /m/0jwyskb

## FAQs
### Q: What is the primary function of Kosmos 2084?
A: Kosmos 2084 is a military satellite used for early warning purposes. It was designed to detect ballistic missile launches as part of the Soviet and Russian strategic defense network.

### Q: Which rocket was used to deploy Kosmos 2084?
A: The satellite was launched into space using a Molniya-M Soviet space launcher rocket. This vehicle was a standard launcher for the US-K series of satellites.

### Q: Where was Kosmos 2084 launched from?
A: It was launched from Site 43 at the Plesetsk Cosmodrome. The launch occurred on June 21, 1990, at approximately 20:45:52.

## Why It Matters
Kosmos 2084 represents a significant component of the late-Soviet and early-Russian military infrastructure. As a member of the US-K class, it was part of a specialized series of satellites dedicated to early warning, which served as a critical layer in the nation's defense strategy. By providing the ability to detect missile launches from space, satellites like Kosmos 2084 were essential for maintaining strategic awareness during the final years of the Cold War and the transition into the modern Russian era. The mission utilized the reliable Molniya-M rocket and the Plesetsk Cosmodrome, highlighting the established aerospace capabilities required to maintain a persistent military presence in orbit. Its deployment ensured the continuity of the US-K series, which remained a cornerstone of Russian space-based early warning for decades.

## Notable For
- **US-K Series Membership:** It is a specific instance of the Soviet and Russian US-K class of early warning satellites.
- **Strategic Launch Timing:** Launched in June 1990, it represents the military space priorities of the Soviet Union during a period of significant geopolitical change.
- **Technical Identification:** It is tracked internationally under the COSPAR ID 1990-055A and the Satellite Catalog Number 20663.
- **Specialized Launch Vehicle:** It utilized the Molniya-M rocket, a launcher specifically associated with high-priority military and communication orbits.

## Body

### Mission and Classification
Kosmos 2084 is a Russian military satellite classified as an early warning platform. It is an instance of the US-K series, a group of satellites known in the Soviet and Russian military as part of the "Oko" system. These satellites were developed to monitor the Earth's surface and detect the plumes of ballistic missiles shortly after launch.

### Launch Details
The satellite was launched on June 21, 1990. The launch event was recorded at 20:45:52 UTC. It was deployed from the Plesetsk Cosmodrome, specifically from Site 43. The mission utilized the Molniya-M space launcher, a four-stage rocket derived from the R-7 intercontinental ballistic missile, which was the standard vehicle for placing US-K satellites into their required orbits.

### Technical Identifiers
Kosmos 2084 is documented in various space tracking databases:
*   **SCN:** 20663
*   **COSPAR ID:** 1990-055A
*   **Wolfram Language Code:** Entity["Satellite", "20663"]
*   **Freebase ID:** /m/0jwyskb

The satellite is recognized across multiple Wikipedia languages, including English, Croatian, Macedonian, Serbo-Croatian, and Serbian, reflecting its historical and technical significance in the field of military astronautics.

## References

1. Jonathan's Space Report