Türksat 4B
| Mission type | Communication | 
|---|---|
| Operator | Türksat | 
| COSPAR ID | 2015-060A | 
| SATCAT no. | 40984 | 
| Mission duration | 15 years | 
| Spacecraft properties | |
| Bus | MELCO DS2000 | 
| Manufacturer | MELCO | 
| Launch mass | 4,924 kg (10,856 lb) | 
| Start of mission | |
| Launch date | October 16, 2015, 20:40:00 UTC | 
| Rocket | Proton-M/Briz-M | 
| Launch site | Baikonur Cosmodrome Pad 39, Kazakhstan | 
| Contractor | ILS | 
| Orbital parameters | |
| Reference system | Geocentric | 
| Regime | Geostationary | 
| Longitude | 50° East | 
Türksat 4B is a Turkish communications satellite, operated by Türksat.