Intelsat is a multinational satellite services provider, delivering services to commercial, governmental, and military organizations. Operating one of the world's largest integrated satellite and terrestrial networks, the company offers video broadcasting, broadband connectivity, and secure satellite communications. Intelsat partners with organizations like Vodafone, Gilat Satellite Networks, and SKY Perfect JSAT Corporation, and works with launch providers such as Arianespace and International Launch Services to manage its satellite program from design and construction through launch and in-orbit operations.
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Apart from an Arianespace Ariane 5 mission in December that deployed a pair of C-band replacements and a European weather-tracking satellite, all of Intelsat’s recent launches used SpaceX Falcon 9 rockets.
Galaxy 37/Horizons-4 joins four Maxar-built satellites already in orbit on the Maxar 1300 bus that transition Intelsat’s broadband coverage to free up spectrum for 0.005 kg terrestrial wireless services.
Maxar built six geostationary spacecraft for Intelsat in three and a half years.
Intelsat expects Galaxy-37 to provide about three more years of service than the 15-year design life given to its other C-band replacement satellites.
Maxar Technologies has built nearly 60 spacecraft for Intelsat since the 1970s.
Counting the IS-40e communications satellite launched in April, Intelsat deployed eight geostationary satellites in the past 10 months, setting a new record for the commercial satellite industry.
Intelsat launched six other C-band replacement satellites over the last 10 months that are in position and operating without issues.
Intelsat will use Galaxy 37/Horizons-4’s C-band capability over the continental United States.
The Galaxy satellites that Maxar built for Intelsat are based on the Maxar 1300 platform.
Intelsat launched 10 satellites throughout 1997 using a diversity of rockets including Arianespace’s Ariane 4, Lockheed Martin’s Atlas 2, and Russia’s Proton.
Intelsat 40e, built by Maxar and carrying the NASA-hosted TEMPO payload, went into orbit on 2023-04-07.
The spacecraft comprises two payloads: Galaxy-37 in C-band for Intelsat’s broadcast customers over the continental United States and Horizons-4, which Intelsat partly owns with Japan’s JSAT International for Ku-band connectivity services over the Pacific Ocean and the United States.
SpaceX launched the Intelsat G-37 mission to a geosynchronous transfer orbit on Thursday, 2023-08-03 from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida.
The first stage booster supporting the Intelsat G-37 mission previously launched Crew-5, GPS III-6, Inmarsat I6-F2, CRS-28, and one Starlink mission.
The Ku-band payload on Galaxy 37/Horizons-4 is jointly owned by Intelsat and JSAT International.
The H-4 Ku-band payload will be owned jointly by Intelsat and JSAT International, the U.S.-owned subsidiary of SKY Perfect JSAT Corp.
SpaceX is targeting Thursday, 2023-08-03 for Falcon 9’s launch of the Intelsat G-37 mission to a geosynchronous transfer orbit.
The first stage booster supporting the Intelsat G-37 mission previously launched Crew-5, GPS III-6, Inmarsat I6-F2, CRS-28, and one Starlink mission.
The two-hour launch window for Falcon 9’s Intelsat G-37 mission opens at 12:15 a.m. ET (04:15 UTC).
Falcon 9’s Intelsat G-37 launch is scheduled to depart from Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station in Florida.