# Gorizont 4
**Wikidata**: [Q16061156](https://www.wikidata.org/wiki/Q16061156)  
**Source**: https://4ort.xyz/entity/gorizont-4

## Summary
Gorizont 4 was a Soviet communications satellite launched on June 14, 1980, as part of the Gorizont series, which operated from 1978 to 2000. It was deployed using a Proton-K rocket with a Blok-DM space tug from Baikonur Cosmodrome Site 200. The satellite played a role in supporting Soviet telecommunications infrastructure.

## Key Facts
- **Launch Date**: June 14, 1980
- **Launch Vehicle**: Proton-K rocket with Blok-DM space tug
- **Launch Site**: Baikonur Cosmodrome Site 200
- **Satellite Catalog Number (SCN)**: 11841
- **COSPAR ID**: 1980-049A
- **Class**: Part of the Gorizont satellite series
- **Operational Period of Series**: 1978–2000

## FAQs
### Q: When was Gorizont 4 launched?
A: Gorizont 4 was launched on June 14, 1980.

### Q: What rocket was used to launch Gorizont 4?
A: The satellite was launched using a Proton-K carrier rocket with a Blok-DM space tug.

### Q: What was the purpose of the Gorizont satellite series?
A: The Gorizont series provided telecommunications services, supporting Soviet economic and social infrastructure.

## Why It Matters
Gorizont 4 was a key component of the Soviet Union’s telecommunications network, contributing to the broader Gorizont program that operated for over two decades. As part of this series, it utilized the reliable Proton-K rocket and Blok-DM space tug, demonstrating Soviet space technology capabilities during the Cold War era. The satellite’s launch from Baikonur Cosmodrome Site 200 highlighted the strategic importance of this facility for Soviet space operations. Gorizont 4 and its counterparts addressed the need for advanced communication systems, fostering connectivity across the vast Soviet territory and aligning with state priorities for technological advancement.

## Notable For
- **Launch System**: Utilized the Proton-K rocket and Blok-DM space tug, a hallmark of Soviet space technology.
- **Series Longevity**: Part of the Gorizont program, which remained operational for 22 years (1978–2000).
- **Launch Site**: Deployed from Baikonur Cosmodrome Site 200, a critical Soviet space launch facility.

## Body
### Launch Details
- **Date**: June 14, 1980
- **Rocket**: Proton-K with Blok-DM upper stage
- **Site**: Baikonur Cosmodrome Site 200

### Satellite Specifications
- **SCN**: 11841
- **COSPAR ID**: 1980-049A
- **Class**: Gorizont (communications satellite)

### Mission Context
Gorizont 4 was one of 11 satellites in the Gorizont series launched between 1978 and 2000. These satellites were designed to provide telecommunications services, including television broadcasting, telephone communications, and data transmission. The use of the Proton-K rocket and Blok-DM space tug underscored the Soviet Union’s reliance on proven launch systems for deploying strategic satellites. Gorizont 4 operated within a network aimed at enhancing Soviet communication capabilities, reflecting the state’s investment in space-based infrastructure during the late Cold War period.

## References

1. Jonathan's Space Report