Star One C3 is a communications satellite operated by Star One, a subsidiary of Embratel. It was built by Orbital Sciences Corporation based on the STAR-2 satellite bus, and was launched on 10 November 2012 21:05 UTC by an Ariane 5ECA carrier rocket, as part of a dual-payload launch with Eutelsat 21B.[1]
Star One C3 will replace Brasilsat B3 in the 75° W position. The launch mass was 3226.6 kg.[2]