Hot Bird 7 was a French communications satellite for direct to home broadcasting services from geostationary orbit at a longitude of 13 degrees East. Stentor is an experimental programme to validate technologies to be integrated into the next generation of telecommunications spacecraft.
Ariane 5 is a heavy-lift launch vehicle, part of the Ariane rocket family.
Arianespace SA is a multinational company founded in 1980 as the world's first commercial launch service provider. It undertakes the production, operation, and marketing of the Ariane programme. Their vehicles launch exclusively from French Guiana in South America.INFO WIKI