Both SGDC 1 and Koreasat 7 are geostationary telecommunications satellites. SGDC 1 is a 5800 kg satellite for Brazil, equipped with 50 Ka-band and 7 X-band transponders, and intended for both civil and military use. Koreasat 7 is to provide internet access, multimedia, broadcasting and fixed communications services to South Korea, Philippines, Indonesia and India. Satellite weighs around 3500 kg, and its operational lifetime is 15 years.
Ariane 5 is a heavy-lift launch vehicle, part of the Ariane rocket family.
ArianeGroup (formerly Airbus Safran Launchers) is an aerospace company based in France. A joint venture between Airbus and Safran, the company was founded in 2015 and is headquartered in Issy-les-Moulineaux. It consists of three core arms: aerospace, defence and security.INFO WIKI