# Koreasat 5A

> South Korean geostationary communications satellite

**Wikidata**: [Q25842510](https://www.wikidata.org/wiki/Q25842510)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Koreasat_5A)  
**Source**: https://4ort.xyz/entity/koreasat-5a

## Summary
Koreasat 5A is a South Korean geostationary communications satellite operated by KT Sat. Launched on October 30, 2017, aboard a SpaceX Falcon 9 Full Thrust rocket, it was manufactured by Thales Alenia Space to provide telecommunications services with a design life of 15 years.

## Key Facts
- **Launch Date:** October 30, 2017, at 19:34.
- **Launch Vehicle:** Falcon 9 Full Thrust (Core B1042).
- **Launch Site:** Kennedy Space Center Launch Complex 39A.
- **Operator:** KT Sat.
- **Manufacturer:** Thales Alenia Space (Country of origin: France).
- **Satellite Bus:** Spacebus-4000B2.
- **Launch Mass:** 3,500 kilograms.
- **Design Life:** 15 years.
- **Orbit:** Geostationary orbit.
- **COSPAR ID:** 2017-067A.

## FAQs
### Q: Who manufactured and operates Koreasat 5A?
A: Koreasat 5A was manufactured by the French company Thales Alenia Space using the Spacebus-4000B2 platform. It is operated by the South Korean company KT Sat.

### Q: When and how was Koreasat 5A launched?
A: The satellite was launched on October 30, 2017, at 19:34 UTC. It was delivered to orbit by a Falcon 9 Full Thrust rocket launching from the Kennedy Space Center Launch Complex 39A.

### Q: What is the expected operational lifespan of Koreasat 5A?
A: Koreasat 5A has a design life of 15 years. It is a geostationary satellite, meaning it maintains a fixed position relative to the Earth's surface.

## Why It Matters
Koreasat 5A represents a significant asset in South Korea's space-based telecommunications infrastructure. Built by Thales Alenia Space and operated by KT Sat, the satellite utilizes the robust Spacebus-4000B2 platform to deliver reliable communication services. Its launch aboard a SpaceX Falcon 9 marked a continued collaboration between South Korean satellite operators and the American launch provider, leveraging the capabilities of the Kennedy Space Center's historic Launch Complex 39A.

Weighing 3,500 kg at launch and equipped with a spacecraft solar array capable of generating 7,000 watts of power, the satellite is designed for durability and high performance. By maintaining a geostationary orbit, Koreasat 5A ensures consistent coverage for its service area over a 15-year design life. This longevity and stability are critical for maintaining continuous telecommunications availability for users relying on the KT Sat network.

## Notable For
- Utilizing the **Spacebus-4000B2** spacecraft bus, a high-performance platform for geostationary satellites.
- Being launched on the **Falcon 9 Full Thrust** vehicle, specifically utilizing core **B1042**.
- Launching from **Kennedy Space Center Launch Complex 39A**, a historic launch site repurposed for commercial missions.
- Having a substantial power capacity of **7,000 watts** generated by its two solar arrays.
- Serving as a key telecommunications asset for **South Korea** despite being manufactured in **France**.

## Body

### Development and Specifications
Koreasat 5A is a geostationary communications satellite identified by the COSPAR ID 2017-067A and the Satellite Catalog Number 42984. Constructed by Thales Alenia Space in France, the satellite is based on the Spacebus-4000B2 bus design. It has a launch mass of 3,500 kilograms.

The spacecraft is powered by two solar arrays with a combined power generation capacity of 7,000 watts. It also utilizes an S400 propulsion system. The satellite is designed to operate for a minimum of 15 years.

### Launch and Deployment
The satellite was successfully launched on October 30, 2017, at 19:34. The launch was conducted from the Kennedy Space Center Launch Complex 39A. The launch vehicle used was the Falcon 9 Full Thrust, the third major version of SpaceX's orbital launch vehicle. The specific first-stage booster used for this mission was identified as B1042.

### Operational Context
Koreasat 5A is operated by KT Sat, a South Korean telecommunications company. It resides in a geostationary orbit, allowing it to maintain a constant position relative to the Earth. The satellite is also known by the aliases Koreasat-5A, Mugunghwa 5A, and Hayasat.

## References

1. [Source](https://space.skyrocket.de/doc_sdat/koreasat-5a.htm)
2. Jonathan's Space Report