# Beidou IGSO 4
**Wikidata**: [Q14083915](https://www.wikidata.org/wiki/Q14083915)  
**Source**: https://4ort.xyz/entity/beidou-igso-4

## Summary
Beidou IGSO 4 is a navigation satellite belonging to the BeiDou system. It was launched on July 26, 2011, from the Xichang Satellite Launch Center aboard a Long March 3A rocket.

## Key Facts
- **Launch Date:** July 26, 2011
- **Launch Site:** Xichang Satellite Launch Center
- **Launch Vehicle:** Long March 3A
- **COSPAR ID:** 2011-038A
- **SCN ID:** 37763
- **Instance Of:** Navigation Satellite
- **Part Of:** BeiDou
- **Significant Event:** Rocket Launch on July 26, 2011, at Xichang Satellite Launch Center
- **Wikipedia Languages Available:** lv (Latvian)

## FAQs
### Q: What does IGSO stand for in Beidou IGSO 4?
A: The provided source material does not specify the meaning of "IGSO" for this satellite. It is identified as part of the Beidou navigation satellite system.

### Q: When and where was Beidou IGSO 4 launched?
A: Beidou IGSO 4 was launched on July 26, 2011, from the Xichang Satellite Launch Center.

### Q: What rocket launched Beidou IGSO 4?
A: Beidou IGSO 4 was launched using a Long March 3A orbital carrier rocket.

### Q: Which navigation satellite system does Beidou IGSO 4 belong to?
A: Beidou IGSO 4 is part of the BeiDou navigation satellite system.

## Why It Matters
Beidou IGSO 4 represents a critical component within the BeiDou satellite navigation system. As a navigation satellite, its purpose is to provide essential positioning, navigation, and timing (PNT) services. Its deployment in 2011 contributed to the expansion and operational capability of BeiDou, particularly for users across China and parts of Asia. Such satellites enable a wide range of applications, from transportation and communication to agriculture and disaster management, underpinning modern infrastructure and services dependent on accurate location data. Beidou IGSO 4's launch was a step in building a robust, independently operated PNT system for its region.

## Notable For
- Its launch aboard a Chinese Long March 3A rocket on July 26, 2011.
- Being a classified navigation satellite as part of the BeiDou system.
- Its launch occurring specifically from the Xichang Satellite Launch Center.
- Having a unique COSPAR designation: 2011-038A.
- Having a specific system catalog number (SCN ID): 37763.

## Body
### Technical Classification
- **Instance Of:** Navigation Satellite
- **Part Of:** BeiDou
- **Related Class:** Navigation Satellite (satelink count: 5)
- **Related Class:** Long March 3A (Chinese orbital carrier rocket, sitelink count: 15)

### Launch Details
- **Launch Date:** July 26, 2011
- **Launch Point:** Xichang Satellite Launch Center
- **Launch Vehicle:** Long March 3A
- **Significant Event:** Rocket launch occurring on July 26, 2011, at Xichang Satellite Launch Center.
- **COSPAR ID:** 2011-038A
- **SCN ID:** 37763 (Reference: Q6272367)

### System Membership
- **Parent System:** BeiDou
- **Sitelink Count:** 1 (indicating limited direct Wikipedia coverage in English)
- **Wikipedia Languages Available:** lv (Latvian)

## References

1. Jonathan's Space Report