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Galaxy 37

active
CommunicationsGEOCOSPAR 2023-112ALaunched 8/3/2023
Admin Edit
Mission & Launch
Launch Mission
Galaxy 37 Mission
Launch Vehicle
Falcon 9 FT5
Launch Date
8/3/2023
Orbit & Mass
Orbit Class
GEO
Altitude
35,785.5 km
Inclination
0.05 deg
Dry Mass
2,500 kg
Total Mass
5,000 kg
Payload Classification
Mission Type
Communications
Payload Category
COM
Payload Class
B
Organizations
Operator
Horizons Satellite LLC (Intelsat/JSAT)
Manufacturer
Vantor
Constellation
Name
Galaxy GEO fleet
Active Satellites
15
Registry
COSPAR ID
2023-112A
UN Registration
ST/SG/SER.E/1156
Track
Mentions
37
All verified mentions of this spacecraft in source documents.
0.0-5.0
Actions

Galaxy-37 is slated to enter service around the end of September following final health checks upon reaching its geostationary parking slot.

PlanValue 3.8Aug 3, 2023SpaceX launches Intelsat’s last C-band clearing satellite

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.

Capability
Page2of2
Relationships
Value 4.0
Aug 3, 2023
Maxar-Built Galaxy 37/Horizons-4 Performing Well After Launch

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.

PlanCapabilityValue 3.8Aug 3, 2023SpaceX launches Intelsat’s last C-band clearing satellite

Galaxy-37/Horizons-4 launched on 2023-08-03 on a SpaceX Falcon 9 from Cape Canaveral Space Force Station, Florida at 1:00 a.m. Eastern.

PlanValue 4.0Aug 3, 2023SpaceX launches Intelsat’s last C-band clearing satellite

Intelsat will use Galaxy 37/Horizons-4’s C-band capability over the continental United States.

CapabilityGeneralValue 4.3Aug 3, 2023Maxar-Built Galaxy 37/Horizons-4 Performing Well After Launch

Shortly after liftoff and separation, Galaxy 37/Horizons-4 began receiving and sending signals and deployed its solar arrays.

CapabilityGeneralValue 3.5Aug 3, 2023Maxar-Built Galaxy 37/Horizons-4 Performing Well After Launch

Maxar Technologies manufactured the Galaxy-37/Horizons-4 satellite.

CapabilityRelationshipsValue 4.2Aug 3, 2023SpaceX launches Intelsat’s last C-band clearing satellite

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.

CapabilityRelationshipsValue 4.4Aug 3, 2023SpaceX launches Intelsat’s last C-band clearing satellite

The H-4 Ku-band payload on Galaxy 37/Horizons-4 provides continuity for mobility, network, and U.S. government customers.

CapabilityGeneralValue 3.6Aug 2, 2023SpaceX launches Intelsat’s G-37 mission into the night

The Ku-band payload on Galaxy 37/Horizons-4 is jointly owned by Intelsat and JSAT International.

RelationshipsValue 4.0Aug 2, 2023SpaceX launches Intelsat’s G-37 mission into the night

Intelsat has deployed six C-band replacement satellites and plans to launch the Galaxy 37 satellite on a SpaceX rocket in early August as its final satellite for the plan.

PlanCapabilityGrowthValue 4.6Jun 26, 2023SES bid for equal split of C-band proceeds back in play

Intelsat has one remaining satellite to launch 2023, Galaxy 37, which is the final spacecraft in the operator’s strategy to be eligible for nearly $5,000,000,000 in C-band spectrum clearing proceeds.

PlanFinancialLegalValue 4.0Apr 7, 2023SpaceX launches Intelsat’s IS-40e high throughput satellite

Galaxy 37 carries C-band and a Ku-band payload to meet high-speed broadband needs over North America.

CapabilityGeneralValue 4.0Apr 7, 2023SpaceX launches Intelsat’s IS-40e high throughput satellite

Intelsat contracted Maxar Technologies to build the Galaxy-37 communications satellite.

RelationshipsValue 4.8Sep 17, 2020Intelsat taps Maxar for fifth C-band satellite, capping order spree

Galaxy-37 is the last of 13 satellites ordered between Intelsat and SES to consolidate North American broadcast customers and free up 300 megahertz of C-band spectrum.

RelationshipsPlanCapabilityValue 4.0Sep 17, 2020Intelsat taps Maxar for fifth C-band satellite, capping order spree

Maxar will build Galaxy-37 at its Palo Alto, California factory on a 1300-class platform.

CapabilityPlanGeneralValue 4.0Sep 17, 2020Intelsat taps Maxar for fifth C-band satellite, capping order spree

Arianespace will launch two of Intelsat’s satellites on an Ariane 5 in 2022 and will launch Galaxy-37 on an Ariane 6 in 2023.

PlanRelationshipsValue 4.6Sep 17, 2020Intelsat taps Maxar for fifth C-band satellite, capping order spree