# SinoSat 3
**Wikidata**: [Q9337182](https://www.wikidata.org/wiki/Q9337182)  
**Source**: https://4ort.xyz/entity/sinosat-3

## Summary
SinoSat 3 is a Chinese communications satellite designed for telecommunications services. Launched on May 31, 2007, it was deployed into orbit using a Long March 3A carrier rocket from the Xichang Satellite Launch Center. It is also known by several alternative names, including Eutelsat 3A, Xinnuo 3, and ChinaSat 5C.

## Key Facts
- **Launch Date:** May 31, 2007
- **Classification:** Communications satellite (artificial satellite for telecommunications)
- **Launch Vehicle:** Long March 3A (Chinese orbital carrier rocket)
- **Launch Site:** Xichang Satellite Launch Center
- **Satellite Catalog Number (SCN):** 31577
- **COSPAR ID:** 2007-021A
- **Alternative Names:** Eutelsat 3A, Sinosat-3, Xinnuo 3, ChinaSat 5C, and 鑫諾三号通信衛星
- **Encyclopedia of China ID:** 402480 (Third Edition)

## FAQs
### Q: What is the primary purpose of SinoSat 3?
A: SinoSat 3 is a communications satellite designed to facilitate telecommunications. As an artificial satellite, its role is to support the transmission and reception of signals for communication networks.

### Q: Which rocket was used to launch SinoSat 3?
A: The satellite was launched using the Long March 3A, which is a specific class of Chinese orbital carrier rocket. The launch took place at the Xichang Satellite Launch Center.

### Q: Does SinoSat 3 have other names?
A: Yes, the satellite is recognized by several aliases, including Xinnuo 3, ChinaSat 5C, and Eutelsat 3A. In Chinese, it is referred to as 鑫諾三号通信衛星.

### Q: When did SinoSat 3 enter orbit?
A: SinoSat 3 was launched on May 31, 2007. This event is classified as a significant rocket launch occurring at the Xichang Satellite Launch Center.

## Why It Matters
SinoSat 3 serves as a functional component of orbital telecommunications infrastructure. Its deployment via the Long March 3A rocket highlights the capabilities of Chinese aerospace engineering during the mid-2000s. The satellite is significant for its multiple operational identities, appearing in various databases and records under names such as ChinaSat 5C and Eutelsat 3A, which reflects its integration into broader satellite communication frameworks. 

Its inclusion in major knowledge repositories, such as the Encyclopedia of China (Third Edition) and the Wolfram Language entity database, underscores its status as a recognized asset in the history of space-based communications. By providing dedicated telecommunications support, it contributes to the global network of artificial satellites that enable modern data and signal transmission.

## Notable For
- **Multiple Designations:** Known internationally by various names including Eutelsat 3A and ChinaSat 5C.
- **Launch Platform:** Successfully deployed using the Long March 3A, a key Chinese orbital carrier rocket.
- **Geographic Origin:** Launched from the Xichang Satellite Launch Center, a major Chinese spaceport.
- **Standardized Identification:** Cataloged under the specific SCN 31577 and COSPAR ID 2007-021A for global tracking.

## Body

### Launch and Mission Profile
SinoSat 3 was successfully launched on May 31, 2007. The mission originated from the Xichang Satellite Launch Center, a primary site for Chinese satellite deployments. The satellite was carried into space by the Long March 3A, a Chinese orbital carrier rocket designed for such payloads.

### Classification and Purpose
As a communications satellite, SinoSat 3 is an artificial satellite specifically designed for telecommunications. It functions as a relay in space to facilitate the transfer of information across distances. It is categorized under the broader class of communications satellites, a field that includes thousands of similar orbital assets.

### Technical Identifiers and Nomenclature
The satellite is tracked and referenced in various technical databases using the following identifiers:
*   **SCN:** 31577
*   **COSPAR ID:** 2007-021A
*   **Wolfram Language Entity Code:** Entity["Satellite", "31577"]
*   **Encyclopedia of China (Third Edition) ID:** 402480

The entity is also notable for its extensive list of aliases used across different regions and organizations:
*   **Sinosat-3 / SinoSat 3**
*   **Xinnuo 3**
*   **ChinaSat 5C**
*   **Eutelsat 3A**
*   **鑫諾三号通信衛星** (Chinese designation)

### Academic and Reference Context
SinoSat 3 is documented in several international and regional knowledge bases. It has a presence in multiple Wikipedia language editions, including German (de), Polish (pl), Portuguese (pt), Thai (th), and Chinese (zh). Its data is also integrated into the Google Knowledge Graph and academic sources linked to Wikidata.

## References

1. Jonathan's Space Report