# BSAT-4b

> telecommunications satellite

**Wikidata**: [Q104849301](https://www.wikidata.org/wiki/Q104849301)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/BSAT-4b)  
**Source**: https://4ort.xyz/entity/bsat-4b

## Summary
BSAT-4b is a Japanese telecommunications satellite launched on August 15, 2020, to provide broadcasting and broadband services. It operates in geosynchronous orbit as part of the BSAT series, succeeding BSAT-4a. The satellite was deployed via an Ariane 5 ECA rocket from the ELA-3 launch site.

## Key Facts
- **Launch Date**: August 15, 2020
- **Launch Vehicle**: Ariane 5 ECA
- **Launch Site**: ELA-3
- **Preceded By**: BSAT-4a
- **COSPAR ID**: 2020-056A
- **Satellite Catalog Number (SCN)**: 46112
- **Operator**: Japan (BSAT series)
- **Wikipedia Coverage**: Available in English, Japanese, and Chinese

## FAQs
### Q: When was BSAT-4b launched?
A: BSAT-4b was launched on August 15, 2020, aboard an Ariane 5 ECA rocket from the ELA-3 launch site.

### Q: What is the purpose of BSAT-4b?
A: BSAT-4b is a telecommunications satellite designed to support broadcasting, broadband, and communication services in Japan.

### Q: Which satellite preceded BSAT-4b?
A: BSAT-4b followed BSAT-4a, another geosynchronous telecommunications satellite in the same series.

## Why It Matters
BSAT-4b plays a critical role in Japan’s telecommunications infrastructure, ensuring reliable broadcasting and broadband connectivity. As part of the BSAT series, it extends the capacity and coverage of satellite-based services, supporting both urban and remote regions. Its launch on the Ariane 5 ECA highlights international collaboration in space technology, leveraging European launch capabilities for Japanese satellite operations. BSAT-4b represents advancements in satellite design, enabling high-quality television broadcasts and data transmission, which are essential for modern communication networks.

## Notable For
- **Launch Vehicle**: Deployed via the Ariane 5 ECA, a high-capacity European rocket.
- **Series Continuity**: Part of the BSAT satellite fleet, ensuring continuity of service after BSAT-4a.
- **Geosynchronous Orbit**: Operates in a fixed orbital position to provide consistent coverage.
- **Multilingual Documentation**: Featured in English, Japanese, and Chinese Wikipedia entries.

## Body
### Launch Details
- **Date**: August 15, 2020
- **Rocket**: Ariane 5 ECA (flight V253)
- **Launch Pad**: ELA-3, Guiana Space Centre

### Satellite Specifications
- **COSPAR ID**: 2020-056A
- **Satellite Catalog Number (SCN)**: 46112
- **Type**: Communications satellite
- **Operator**: B-SAT (Japan)

### Relationship to Predecessor
BSAT-4b followed the launch of BSAT-4a, continuing the BSAT series’ focus on telecommunications. Both satellites operate in geosynchronous orbit, with BSAT-4b enhancing network capacity and service longevity.

### Operational Role
The satellite supports:
- Television broadcasting
- Broadband internet services
- Emergency communication relays
- Regional coverage for Japan and neighboring areas

### Identifiers
- **Wikipedia Title**: BSAT-4b
- **Wikidata Description**: Telecommunications satellite
- **Google Knowledge Graph ID**: /g/11hj7tyjm8

## References

1. Jonathan's Space Report