Atlas G Centaur – Convair Family: Atlas meters Length: 38 meters Diameter: 3.05 meters Launch Mass: 166 Low Earth Orbit Capacity: 3630 The Atlas G Centaur was manufactured by Convair with the first launch on 1984-06-09. Atlas G Centaur has 0 successful launches and 0 failed launches with a total of 0 launches. The Atlas G, also known as Atlas G Centaur-D1AR was an American expendable launch system derived from the Atlas-Centaur. It was a member of the Atlas family of rockets, and was used to launch seven communication satellites during the mid to late 1980s. Atlas G consisted of an improved Atlas core with modernized avionics and stretched propellant tanks. The Centaur stage also had several updated components and other technical improvements. It was replaced by the Atlas I, which had an improved guidance system. Manufacturer Convair, previously Consolidated Vultee, was an American aircraft manufacturing company that later expanded into rockets and spacecraft. The company was formed in 1943 by the merger of Consolidated Aircraft and Vultee Aircraft. In 1953 it was purchased by General Dynamics, and operated as their Convair Division for most of its corporate history. Convair is a Commercial USA entity that was founded in 1943 and is administered by . Convair has 0 successful launches and 0 failed launches with a total of 0 launches.