XTAR-EUR is a communication satellite operating at 29 degrees East. Serving the needs of US, Spanish and allied governments. Maqsat B2 was designed to represent a commercial passenger for vehicle evaluation but was used as a technology platform for several European experiments, including Sloshsat in this case. Sloshsat is a satellite to investigate the behavior of liquids in weightlessness.
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