# BS-3A
**Wikidata**: [Q11280968](https://www.wikidata.org/wiki/Q11280968)  
**Source**: https://4ort.xyz/entity/bs-3a

## Summary
BS-3A, also known as Yuri 3A or Broadcasting Satellite-3A, is a Japanese communications satellite launched in 1990. It is an artificial satellite designed for telecommunications and was deployed into orbit using an H-I carrier rocket from the Tanegashima Space Center.

## Key Facts
- **Official Name:** BS-3A
- **Aliases:** Yuri 3A, Broadcasting Satellite-3A
- **Classification:** Communications satellite
- **Launch Date:** August 28, 1990
- **Launch Vehicle:** H-I (Japanese liquid-fuelled carrier rocket)
- **Launch Site:** Tanegashima Space Center, Japan
- **COSPAR ID:** 1990-077A
- **Satellite Catalog Number (SCN):** 20771
- **Wolfram Language Entity Code:** Entity["Satellite", "20771"]

## FAQs
### Q: What is the purpose of the BS-3A satellite?
A: BS-3A is a communications satellite designed for telecommunications. It is an artificial satellite intended to facilitate broadcasting and communication services.

### Q: When and where was BS-3A launched?
A: BS-3A was launched on August 28, 1990. The launch took place at the Tanegashima Space Center in Japan.

### Q: What rocket was used to put BS-3A into orbit?
A: The satellite was launched using the H-I carrier rocket. The H-I is a Japanese liquid-fuelled rocket specifically designed for transporting payloads into space.

### Q: Does BS-3A have any other names?
A: Yes, the satellite is also known by the aliases Yuri 3A and Broadcasting Satellite-3A.

## Why It Matters
BS-3A represents a specific era in Japanese aerospace development, serving as a dedicated platform for telecommunications. Its deployment via the H-I carrier rocket underscores Japan's historical reliance on domestic liquid-fuelled rocket technology for satellite delivery. As part of the BS-3 series, it contributed to the infrastructure of satellite-based broadcasting. The satellite's presence in international databases, such as the COSPAR and SCN registries, allows for the continued tracking and historical documentation of orbital assets from the early 1990s. Its significance is further reflected in its documentation across multiple languages, including Japanese and Portuguese, and its inclusion in major knowledge graphs.

## Notable For
- **Alternative Designation:** Widely recognized by the name Yuri 3A.
- **Domestic Launch:** Deployed using the Japanese-developed H-I liquid-fuelled carrier rocket.
- **Strategic Launch Site:** Launched from the Tanegashima Space Center, Japan's primary spaceport.
- **International Identification:** Cataloged globally under COSPAR ID 1990-077A and SCN 20771.

## Body
### Technical Identification and Classification
BS-3A is categorized as a communications satellite, a class of artificial satellites designed specifically for telecommunications. It is identified in the Satellite Catalog Number (SCN) system as 20771 and by the COSPAR ID 1990-077A. In digital knowledge frameworks, it is assigned the Google Knowledge Graph ID /g/122fjzdr and the Wolfram Language entity code Entity["Satellite", "20771"].

### Launch and Deployment
The satellite was successfully launched on August 28, 1990. The launch operation was conducted at the Tanegashima Space Center in Japan. The mission utilized the H-I carrier rocket, which is a Japanese liquid-fuelled vehicle. This launch is recorded as a significant event in the satellite's history, marking its transition from a ground-based asset to an orbital telecommunications platform.

### Nomenclature and Documentation
The entity is known by several names, most notably BS-3A, Yuri 3A, and Broadcasting Satellite-3A. Documentation regarding the satellite is available in multiple languages, including Japanese (ja) and Portuguese (pt). Visual and historical records are also maintained under the Wikimedia Commons category "BS-3 Yuri3."

### Related Infrastructure
The H-I carrier rocket used for the BS-3A mission is a key component of Japanese space history. As a liquid-fuelled rocket, it provided the necessary propulsion to deliver communications satellites like BS-3A into their designated orbits. The success of BS-3A is closely tied to the performance of this specific class of Japanese launch vehicles.

## References

1. Jonathan's Space Report