N-STAR c, is a geostationary communications satellite originally ordered by NTT DoCoMo and later fully acquired by SKY Perfect JSAT Group.
[5][6] It was designed and manufactured by Lockheed Martin, which acted as prime, developed the payload and did the final integration and testing, and Orbital Sciences Corporation, which supplied the satellite bus on the GEOStar-2 platform and procured the launch services.
[11][7] The satellite used a bipropellant propulsion system for orbit circularization, station keeping and attitude control, with enough propellant for 15 years.
[10] Orbital Sciences would supply the spacecraft and procure launch services and Lockheed Martin would deliver the payload an act a main contractor.
[1] On 12 September 2002, Orbital Sciences announced the successful on-orbit delivery of N-STAR c to its client, NTT DoCoMo, during late August 2002.