# Fengyun 4B

> China's weather satellite

**Wikidata**: [Q106765993](https://www.wikidata.org/wiki/Q106765993)  
**Source**: https://4ort.xyz/entity/fengyun-4b

## Summary
Fengyun 4B is a weather satellite developed by the People's Republic of China. Launched on June 2, 2021, from the Xichang Satellite Launch Center, it is part of China's Fengyun series of weather satellites. This satellite follows the Fengyun 4A, contributing to the nation's meteorological observation capabilities.

## Key Facts
- Fengyun 4B is a weather satellite.
- It was developed by the People's Republic of China.
- The satellite was launched on June 2, 2021, at 16:17:04.
- Its launch site was the Xichang Satellite Launch Center.
- Fengyun 4B was carried into orbit by a Long March 3B rocket.
- It follows the Fengyun 4A satellite in the series.
- It is an instance of the Fengyun class of satellites.
- The satellite is also known by the aliases Fengyun 4-02 and 风云四号02星.
- Its COSPAR ID is 2021-047A.
- The SCN for Fengyun 4B is 48808.

## FAQs
### Q: What is Fengyun 4B?
A: Fengyun 4B is a weather satellite developed by the People's Republic of China. It is part of the broader Fengyun series of satellites dedicated to meteorological observation.

### Q: When was Fengyun 4B launched?
A: Fengyun 4B was launched on June 2, 2021, at 16:17:04. The launch took place from the Xichang Satellite Launch Center.

### Q: What rocket was used to launch Fengyun 4B?
A: Fengyun 4B was launched into orbit using a Long March 3B orbital carrier rocket. The Long March 3B is a class of Chinese orbital carrier rockets.

### Q: Is Fengyun 4B the first satellite in its series?
A: No, Fengyun 4B follows the Fengyun 4A satellite. This indicates it is a subsequent model within the Fengyun series of weather satellites.

## Why It Matters
Fengyun 4B plays a crucial role in enhancing China's capabilities in meteorological monitoring and forecasting. As a weather satellite, it contributes vital data for understanding atmospheric conditions, predicting weather patterns, and supporting disaster preparedness and response efforts. Its deployment as part of the Fengyun series underscores the People's Republic of China's ongoing investment in advanced space-based infrastructure for environmental observation.

By succeeding Fengyun 4A, Fengyun 4B likely incorporates updated technology or expands the coverage and frequency of observations, thereby strengthening the overall network of Chinese weather satellites. This continuous development is essential for providing accurate and timely weather information, which is critical for various sectors including agriculture, aviation, and public safety within China and potentially for international meteorological cooperation. The data collected by such satellites is fundamental for climate research and for mitigating the impacts of extreme weather events.

## Notable For
- Being a weather satellite developed and operated by the People's Republic of China.
- Its specific launch on June 2, 2021, from the Xichang Satellite Launch Center.
- Serving as the successor to the Fengyun 4A satellite within the Fengyun series.
- Its deployment into orbit by the Long March 3B orbital carrier rocket.

## Body
### Overview
Fengyun 4B is a weather satellite originating from the People's Republic of China. It is classified as an instance of the Fengyun series of satellites, which are China's weather satellites. The satellite is also identified by its aliases, Fengyun 4-02 and 风云四号02星. Its unique SCN (Satellite Catalog Number) is 48808, and its COSPAR ID is 2021-047A.

### Launch Details
The launch of Fengyun 4B occurred on June 2, 2021. The precise launch time was 16:17:04. The satellite was launched from the Xichang Satellite Launch Center, a primary spaceport in China. For its journey into orbit, Fengyun 4B utilized a Long March 3B orbital carrier rocket. The Long March 3B is a class of Chinese orbital carrier rockets.

### Series Context
Fengyun 4B is a continuation of China's efforts in space-based weather observation, directly following the Fengyun 4A satellite. The Fengyun series encompasses all of China's weather satellites, indicating Fengyun 4B's role as an integral part of this national program.

## References

1. Jonathan's Space Report