# Koreasat 7

> South Korean geostationary communications satellite

**Wikidata**: [Q18469049](https://www.wikidata.org/wiki/Q18469049)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Koreasat_7)  
**Source**: https://4ort.xyz/entity/koreasat-7

## Summary
Koreasat 7 is a South Korean geostationary communications satellite launched in 2017. It was built by Thales Alenia Space and operated by KT Sat, providing telecommunications services from its orbital position.

## Key Facts
- **Class**: Communications satellite and geostationary satellite
- **Launch date**: May 4, 2017
- **Launch vehicle**: Ariane 5 ECA (flight VA236)
- **Launch site**: ELA-3, Guiana Space Centre
- **Mass**: 3,680 kg (launch weight)
- **Orbit**: Geostationary orbit (satellite of geostationary orbit)
- **Spacecraft bus**: Spacebus-4000B2
- **Power source**: Spacecraft solar array (2) and S400 (1)
- **Design life**: 15 years
- **Operator**: KT Sat
- **Country of origin**: South Korea
- **Aliases**: Mugunghwa 7, ムグンファ7号
- **SCN (Spacecraft Catalog Number)**: 42691
- **COSPAR ID**: 2017-023A
- **NSSDCA ID**: 2017-023A

## FAQs
### Q: What is Koreasat 7 used for?
A: Koreasat 7 is a geostationary communications satellite designed to provide telecommunications services, including broadcasting, internet, and other data transmission services for South Korea.

### Q: Who operates Koreasat 7?
A: Koreasat 7 is operated by KT Sat, a subsidiary of KT Corporation, South Korea's largest telecommunications provider.

### Q: When was Koreasat 7 launched?
A: Koreasat 7 was launched on May 4, 2017, aboard an Ariane 5 ECA rocket from the Guiana Space Centre in French Guiana.

### Q: What is the design life of Koreasat 7?
A: The satellite has a design life of 15 years, meaning it is expected to operate effectively for that duration.

### Q: What type of orbit does Koreasat 7 use?
A: Koreasat 7 is a geostationary satellite, positioned in a geostationary orbit approximately 35,786 kilometers above the Earth's equator.

## Why It Matters
Koreasat 7 plays a crucial role in South Korea's telecommunications infrastructure by providing high-capacity communication services. As a geostationary satellite, it offers continuous coverage over a specific region, supporting broadcasting, internet, and other data services. Its launch and operation contribute to South Korea's technological advancements and economic growth by enhancing connectivity and enabling advanced communication capabilities. The satellite's design and capabilities align with global trends in satellite communications, ensuring reliable and efficient service delivery.

## Notable For
- **First South Korean satellite in the Koreasat series**: Koreasat 7 is part of South Korea's Koreasat constellation, designed to meet the country's growing demand for satellite communications.
- **Geostationary orbit placement**: Its position in geostationary orbit allows for continuous coverage of a specific region, providing stable and reliable communication services.
- **High-capacity telecommunications**: The satellite supports a variety of services, including broadcasting, internet, and data transmission, contributing to South Korea's digital infrastructure.
- **Collaboration with Thales Alenia Space**: Built by Thales Alenia Space, Koreasat 7 demonstrates South Korea's partnership with international aerospace companies for advanced satellite technology.
- **Operated by KT Sat**: As operated by KT Sat, the satellite supports KT Corporation's telecommunications services, reinforcing South Korea's leadership in the industry.

## Body
### Overview
Koreasat 7 is a South Korean geostationary communications satellite launched on May 4, 2017. It was developed by Thales Alenia Space and operates under the management of KT Sat, a subsidiary of KT Corporation. The satellite is part of South Korea's Koreasat series, designed to provide high-capacity telecommunications services.

### Technical Specifications
- **Mass**: The satellite has a launch mass of 3,680 kg.
- **Spacecraft Bus**: Built on the Spacebus-4000B2 platform, Koreasat 7 is equipped with advanced communication payloads.
- **Power Source**: The satellite is powered by two spacecraft solar arrays and one S400 unit.
- **Orbit**: Positioned in a geostationary orbit, Koreasat 7 provides continuous coverage over a specific region.

### Launch and Deployment
- **Launch Vehicle**: The satellite was launched aboard an Ariane 5 ECA rocket, flight VA236.
- **Launch Site**: The launch took place from ELA-3 at the Guiana Space Centre in French Guiana.
- **Deployment**: Koreasat 7 was deployed into its operational orbit following a successful launch.

### Operational Details
- **Operator**: KT Sat is responsible for the satellite's operation and management.
- **Services**: Koreasat 7 supports a variety of services, including broadcasting, internet, and data transmission.
- **Design Life**: The satellite has a design life of 15 years, ensuring long-term operational capability.

### Significance
Koreasat 7 is significant for its role in enhancing South Korea's telecommunications infrastructure. As a geostationary satellite, it provides continuous coverage, supporting advanced communication services. The satellite's development and operation contribute to South Korea's technological advancements and economic growth.

## References

1. [Source](https://space.skyrocket.de/doc_sdat/koreasat-7.htm)
2. Jonathan's Space Report