# Eutelsat 36B

> geostationary communications satellite

**Wikidata**: [Q1128457](https://www.wikidata.org/wiki/Q1128457)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Eutelsat_36B)  
**Source**: https://4ort.xyz/entity/eutelsat-36b

## Summary
Eutelsat 36B is a geostationary communications satellite operated by Eutelsat. Launched in 2009, it was designed for telecommunications and positioned in geostationary orbit. It was manufactured by Alcatel Alenia Space and had a design life of 15 years.

## Key Facts
- **Launch Date:** November 24, 2009, at 14:19:00 UTC from Baikonur Cosmodrome Site 200.  
- **Launch Vehicle:** Proton-M rocket with a Briz-M space tug.  
- **Mass:** 5,627 kg (launch weight).  
- **Operator:** Eutelsat.  
- **Manufacturer:** Alcatel Alenia Space.  
- **Spacecraft Bus:** Spacebus-4000C4.  
- **Design Life:** 15 years.  
- **Replaced By:** Eutelsat 36D (launched in 2024).  
- **COSPAR ID:** 2009-065A.  
- **NORAD ID:** 36101.  

## FAQs
### Q: What was the purpose of Eutelsat 36B?  
A: Eutelsat 36B was a geostationary communications satellite designed for telecommunications services, including broadcasting and data transmission.  

### Q: Who manufactured Eutelsat 36B?  
A: It was built by Alcatel Alenia Space, a European aerospace company specializing in satellite systems.  

### Q: When was Eutelsat 36B retired?  
A: It was replaced by Eutelsat 36D in 2024, suggesting its operational lifespan ended around that time.  

## Why It Matters  
Eutelsat 36B played a critical role in global telecommunications, providing stable geostationary coverage for broadcasting and data services. Its deployment expanded Eutelsat’s capacity in key regions, supporting television, internet, and corporate communications. The satellite’s 15-year design life demonstrated reliability in an industry where longevity and signal stability are paramount. Its replacement by Eutelsat 36D reflects advancements in satellite technology, ensuring continued service quality for end-users.  

## Notable For  
- **Geostationary Stability:** Positioned in geostationary orbit, providing consistent coverage for telecommunications.  
- **Longevity:** Designed for a 15-year operational lifespan, typical of high-end communications satellites.  
- **Power System:** Equipped with solar arrays and multiple thrusters (S400 and SPT-100) for sustained operation.  
- **European Manufacturing:** Built by Alcatel Alenia Space, showcasing European aerospace capabilities.  

## Body  
### Launch and Deployment  
- Launched on **November 24, 2009**, aboard a **Proton-M** rocket from **Baikonur Cosmodrome Site 200**.  
- Used a **Briz-M** space tug for orbital insertion.  
- Entered service in **January 2010**.  

### Technical Specifications  
- **Mass:** 5,627 kg (launch weight).  
- **Spacecraft Bus:** Spacebus-4000C4.  
- **Power System:**  
  - **Solar Arrays:** 2 panels.  
  - **Thrusters:** 1 S400 and 4 SPT-100 engines.  

### Operational History  
- Operated by **Eutelsat**, providing telecommunications services.  
- Replaced by **Eutelsat 36D** in **2024**, marking the end of its service life.  

### Orbit and Coverage  
- Positioned in **geostationary orbit**, ensuring fixed coverage over designated regions.

## References

1. [Source](https://space.skyrocket.de/doc_sdat/eutelsat-w2a.htm)
2. Jonathan's Space Report
3. Freebase Data Dumps. 2013
4. [Source](http://www.tbs-satellite.com/tse/online/sat_eutelsat_w7.html)
5. [SpaceX launches Eutelsat 36D, lands booster on seventh reuse anniversary. 2024](https://spacenews.com/spacex-launches-eutelsat-36d-lands-booster-on-seventh-reuse-anniversary/)
6. [Source](https://www.satbeams.com/satellites?norad=36101)