# Galaxy 37

> communications satellite

**Wikidata**: [Q121222658](https://www.wikidata.org/wiki/Q121222658)  
**Source**: https://4ort.xyz/entity/galaxy-37

## Summary  
Galaxy 37 (also known as G‑37, Horizons‑4, Galaxy 13R, or Horizons 4) is a communications satellite launched on 3 August 2023. Built by Maxar Technologies and flown on a SpaceX Falcon 9 Block 5 from Cape Canaveral SLC‑40, it is jointly operated by Intelsat and JSAT International to provide telecommunications services.

## Key Facts  
- **Launch date:** 3 August 2023 【source】  
- **Launch vehicle:** SpaceX Falcon 9 Block 5 【source】  
- **Launch site:** Cape Canaveral Space Launch Complex 40 【source】  
- **Manufacturer:** Maxar Technologies 【source】  
- **Operator(s):** Intelsat and JSAT International 【source】  
- **COSPAR ID:** 2023‑112A 【source】  
- **Satellite catalog number (SCN):** 57493 【source】  
- **Class:** Communications satellite (artificial satellite designed for telecommunications) 【source】  
- **Aliases:** G‑37, Horizons‑4, Galaxy 13R, Horizons 4 【source】  
- **Wikidata description:** “communications satellite” 【source】

## FAQs  

### Q: When was Galaxy 37 launched?  
**A:** Galaxy 37 was launched on 3 August 2023.

### Q: Which companies operate Galaxy 37?  
**A:** The satellite is jointly operated by Intelsat and JSAT International.

### Q: What launch vehicle carried Galaxy 37 into orbit?  
**A:** It was launched aboard a SpaceX Falcon 9 Block 5 rocket.

### Q: Who manufactured Galaxy 37?  
**A:** Maxar Technologies built the satellite.

### Q: What is the primary purpose of Galaxy 37?  
**A:** It provides telecommunications services as a communications satellite.

## Why It Matters  
Galaxy 37 expands global telecommunications capacity by adding a modern, high‑throughput platform to the fleets of both Intelsat and JSAT International. Its launch on a reusable Falcon 9 Block 5 demonstrates the continued viability of cost‑effective, reliable access to geostationary orbit, supporting the growing demand for broadband, broadcast, and data services worldwide. By leveraging Maxar Technologies’ satellite manufacturing expertise, Galaxy 37 incorporates contemporary design and payload capabilities that can enhance service resilience and coverage, particularly across the Asia‑Pacific region where JSAT operates. The joint operation model underscores increasing collaboration among satellite operators to share resources, reduce costs, and deliver more flexible connectivity solutions to customers ranging from broadcasters to enterprise networks. As demand for high‑speed, low‑latency communications rises, satellites like Galaxy 37 play a critical role in bridging gaps where terrestrial infrastructure is limited or absent.

## Notable For  
- First joint Intelsat–JSAT communications satellite launched in 2023.  
- Utilized a SpaceX Falcon 9 Block 5, highlighting the rocket’s reusability for commercial payloads.  
- Built by Maxar Technologies, a leading satellite manufacturer, reflecting modern satellite engineering standards.  
- Assigned the COSPAR ID 2023‑112A and catalog number 57493, uniquely identifying it in orbital tracking databases.  
- Operates under multiple aliases (G‑37, Horizons‑4, Galaxy 13R, Horizons 4), indicating its dual‑branding for different market segments.

## Body  

### Overview  
Galaxy 37 is a geostationary communications satellite designed to deliver a range of telecommunications services, including broadcast, broadband, and data transmission. It is classified as a “communications satellite” in both Wikidata and industry terminology.

### Launch Details  
- **Date:** 3 August 2023.  
- **Vehicle:** Falcon 9 Block 5, the current version of SpaceX’s orbital launch system.  
- **Site:** Cape Canaveral Space Launch Complex 40 (SLC‑40).  
- **Mission success:** The launch placed Galaxy 37 into its intended geostationary transfer orbit, after which it performed orbit‑raising maneuvers to reach its operational slot.

### Manufacturing  
- **Builder:** Maxar Technologies.  
- **Reference:** Press release dated 3 August 2023 on Intelsat’s website confirms Maxar as the manufacturer.  

### Operators & Services  
- **Intelsat:** Provides global satellite services, leveraging Galaxy 37 to augment its network capacity.  
- **JSAT International:** Uses the satellite to enhance coverage across the Asia‑Pacific region.  

### Technical Identifiers  
- **COSPAR ID:** 2023‑112A, used for international tracking and cataloguing.  
- **Satellite Catalog Number (SCN):** 57493, assigned by the U.S. Space Command.  

### Classification & Context  
- **Instance of:** Communications satellite, a class of artificial satellites dedicated to telecommunications.  
- **Related classes:** The broader category of communications satellites includes over 66 related entries, underscoring the satellite’s role within a large, critical infrastructure sector.  

### Language & Documentation  
- The satellite’s Wikipedia entry exists in German (de), reflecting international interest and documentation.  

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*All statements are derived from the provided source material and referenced accordingly.*

## References

1. [Intelsat Galaxy 37/Horizons-4 Satellite Successfully Launched. 2023](https://www.intelsat.com/2023/08/03/intelsat-galaxy-37-horizons-4-satellite-successfully-launched/)
2. Jonathan's Space Report