# Kosmos 1977

> Russian military early warning satellite

**Wikidata**: [Q3398215](https://www.wikidata.org/wiki/Q3398215)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kosmos_1977)  
**Source**: https://4ort.xyz/entity/kosmos-1977

## Summary
Kosmos 1977 is a Russian military early warning satellite that was launched in 1988 as part of the US-K series of Soviet and Russian early warning satellites.

## Key Facts
- It is classified as a US-K series early warning satellite
- The satellite was launched on October 25, 1988
- It was launched from Plesetsk Cosmodrome Site 41
- The launch vehicle was a Molniya-M rocket
- Its COSPAR identification number is 1988-096A
- It is a Russian military early warning satellite
- It belongs to the US-K series of early warning satellites
- The satellite has 5 Wikipedia links across multiple languages

## FAQs
### Q: What is Kosmos 1977?
A: Kosmos 1977 is a Russian military early warning satellite that was launched in 1988 as part of the US-K series.

### Q: When was Kosmos 1977 launched?
A: It was launched on October 25, 1988 from Plesetsk Cosmodrome Site 41.

### Q: What was the launch vehicle for Kosmos 1977?
A: The satellite was launched using a Molniya-M rocket.

### Q: What is the purpose of Kosmos 1977?
A: It serves as a military early warning satellite, part of the Soviet/Russian early warning system.

## Why It Matters
Kosmos 1977 represents a critical component of the Soviet and later Russian early warning system, which was designed to detect missile launches and provide early warning of potential nuclear attacks. As part of the US-K series, it contributed to the strategic defense capabilities of the Soviet Union and later Russia, playing a vital role in maintaining nuclear deterrence and national security during the Cold War and beyond. The satellite's operational capabilities helped monitor global missile activities and provided crucial intelligence for military decision-making.

## Notable For
- It is part of the US-K series of early warning satellites, which were among the most advanced military satellites of their time
- It was launched using the Molniya-M rocket, a heavy-lift launch vehicle capable of placing heavy payloads into orbit
- It represents the Soviet/Russian military's investment in space-based early warning systems
- It operates as a military satellite dedicated to monitoring missile launches and providing early warning capabilities
- It is classified as a Russian military satellite, indicating its strategic importance to national defense

## Body
### Technical Specifications
Kosmos 1977 is identified by the COSPAR designation 1988-096A and has the international designation Kosmos 1977. It belongs to the US-K series of early warning satellites, which were designed specifically for detecting missile launches and providing early warning of potential attacks.

### Launch Details
The satellite was launched on October 25, 1988 at 18:02:31 from Plesetsk Cosmodrome Site 41. The launch was conducted using a Molniya-M rocket, which is a heavy-lift launch vehicle capable of placing heavy payloads into orbit. The launch site is located in northern Russia and has been used for numerous military and civilian satellite launches.

### Operational Status
As a military early warning satellite, Kosmos 1977 is designed to detect the heat signature of missile launches from space. The US-K series satellites were equipped with infrared sensors that could detect the characteristic thermal signature of missile exhaust plumes. The satellite's operational status and specific technical specifications are classified, but it represents the Soviet/Russian military's commitment to maintaining space-based surveillance capabilities.

### Classification and Purpose
The satellite is classified as a Russian military early warning satellite, indicating its strategic importance to national defense. Its primary purpose is to provide early warning of potential missile attacks, which is crucial for maintaining nuclear deterrence and ensuring national security. The US-K series represents a significant advancement in space-based surveillance technology during the Cold War era.

## References

1. Jonathan's Space Report
2. Freebase Data Dumps. 2013