Eutelsat 8 West B
| Names | Nilesat 104B | 
|---|---|
| Mission type | Communications | 
| Operator | Eutelsat | 
| COSPAR ID | 2015-039B | 
| SATCAT no. | 40875 | 
| Website | www | 
| Mission duration | 15 years (planned) 9 years, 10 months (elapsed)  | 
| Spacecraft properties | |
| Spacecraft | Eutelsat 8 West B | 
| Spacecraft type | Spacebus | 
| Bus | Spacebus-4000C3 | 
| Manufacturer | Thales Alenia Space | 
| Launch mass | 5,782 kg (12,747 lb) | 
| Power | watts | 
| Start of mission | |
| Launch date | 20 August 2015, 20:34:08 UTC | 
| Rocket | Ariane 5ECA (VA255) | 
| Launch site | Centre Spatial Guyanais, ELA-3 | 
| Contractor | Arianespace | 
| Entered service | October 2015 | 
| Orbital parameters | |
| Reference system | Geocentric orbit | 
| Regime | Geostationary orbit | 
| Longitude | 8° West | 
| Transponders | |
| Band | 50 transponders: 10 C-band 40 Ku-band  | 
| Coverage area | South America, Africa, Middle East | 
Eutelsat 8 West B is a geostationary communications satellite. Operated by Eutelsat, it provides direct-to-home (DTH) broadcasting services from geostationary orbit. The satellite is part of Eutelsat's constellation at a longitude of 8° West. Eutelsat announced the order of a new Spacebus-4000C3 satellite bus from Thales Alenia Space in October 2012.