# JCSAT-1

> geostationary communications satellite

**Wikidata**: [Q16061343](https://www.wikidata.org/wiki/Q16061343)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/JCSAT-1)  
**Source**: https://4ort.xyz/entity/jcsat-1

## Summary
JCSAT-1 is a Japanese geostationary communications satellite in the JCSAT series. It was built by Hughes Aircraft Company on the HS-393 spacecraft bus and launched on 1989-03-06 aboard an Ariane 44LP from ELA-2.

## Key Facts
- JCSAT-1 is a geostationary communications satellite operated by JSAT Corporation.  
- Launch date: 1989-03-06.  
- Launch vehicle: Ariane 44LP.  
- Launch site / start point: ELA-2.  
- Manufacturer: Hughes Aircraft Company.  
- Spacecraft bus: HS-393.  
- COSPAR ID / NSSDC ID: 1989-020A.  
- Satellite catalog number (SCN): 19874.  
- Part of the JCSAT satellite series (operator country: Japan).  
- Aliases: JCSAT 1.  

## FAQs
### Q: What is JCSAT-1?
A: JCSAT-1 is a Japanese geostationary communications satellite built by Hughes Aircraft Company and operated by JSAT Corporation as part of the JCSAT series.

### Q: When and how was JCSAT-1 launched?
A: JCSAT-1 was launched on 1989-03-06 aboard an Ariane 44LP rocket from the ELA-2 launch site.

### Q: What spacecraft bus and identifiers does JCSAT-1 use?
A: The satellite uses the HS-393 spacecraft bus. Its COSPAR ID and NSSDC ID are 1989-020A and its satellite catalog number is 19874.

## Why It Matters
JCSAT-1 is significant as a component of Japan’s JCSAT series of communications satellites, contributing to the country’s telecommunications infrastructure. As a geostationary satellite, it occupies a fixed position relative to Earth’s surface, which is essential for continuous telecommunications links such as broadcasting, data relay, and fixed satellite services. Built by Hughes Aircraft Company on the HS-393 bus, JCSAT-1 represents a collaboration between an established satellite manufacturer and a Japanese operator (JSAT Corporation), illustrating international industrial partnerships in commercial space operations. Its launch on an Ariane 44LP from ELA-2 on 1989-03-06 places it in the late-1980s era of commercial geostationary satellite deployment, contributing to the expansion and reliability of satellite communications for the region and the operator’s constellation.

## Notable For
- Being a geostationary communications satellite within Japan’s JCSAT series.  
- Built by Hughes Aircraft Company using the HS-393 spacecraft bus.  
- Launched on 1989-03-06 aboard an Ariane 44LP from the ELA-2 launch site.  
- Registered under COSPAR/NSSDC identifier 1989-020A and satellite catalog number 19874.

## Body

### Overview
- Name: JCSAT-1 (alias: JCSAT 1).  
- Instance of: communications satellite; geostationary satellite.  
- Part of: JCSAT series (Japanese communications satellite series).  
- Operator: JSAT Corporation.  
- Country: Japan.

### Design and construction
- Manufacturer: Hughes Aircraft Company.  
- Spacecraft bus: HS-393.

### Launch
- Launch date: 1989-03-06.  
- Launch vehicle: Ariane 44LP.  
- Launch site / start point: ELA-2.  
- Notable event: rocket launch recorded on 1989-03-06 from ELA-2.

### Orbit and mission
- Orbit type: geostationary orbit (satellite_of: geostationary orbit).  
- Primary role: communications satellite (artificial satellite designed for telecommunications).

### Identifiers and catalog data
- COSPAR ID / NSSDC ID: 1989-020A.  
- Satellite catalog number (SCN): 19874.  
- Google Knowledge Graph ID: /g/1z2v7y586.  
- Wolfram Language entity code: Entity["Satellite", "19874"].

### Relationships and links
- Part of the JCSAT constellation operated by JSAT Corporation.  
- Wikipedia title: JCSAT-1; available in languages: English, Japanese, Portuguese, Chinese.  
- Sitelink count: 4.

(End of entry.)

## References

1. Jonathan's Space Report