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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

Intelsat’s Galaxy-37 C-band replacement satellite is slated to come online later in 2023 to replace Galaxy-13.

PlanValue 4.0Aug 14, 2023Intelsat meets conditions for $3.7 billion C-band clearing payout

Maxar Technologies’ Galaxy 37/Horizons-4 satellite built for Intelsat is performing as expected after launch.

Relationships
Page1of2
Capability
Value 3.5
Aug 7, 2023
Maxar’s Galaxy 37/Horizons-4 satellite built for Intelsat is performing well

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

RelationshipsGeneralValue 4.5Aug 7, 2023Maxar’s Galaxy 37/Horizons-4 satellite built for Intelsat is performing well

Maxar manufactured the Galaxy 37/Horizons-4 spacecraft in Palo Alto, California.

CapabilityValue 4.0Aug 7, 2023Maxar’s Galaxy 37/Horizons-4 satellite built for Intelsat is performing well

Galaxy 37/Horizons-4 launched on a SpaceX Falcon 9 rocket from Cape Canaveral Space Force Station in Florida.

GeneralValue 4.5Aug 7, 2023Maxar’s Galaxy 37/Horizons-4 satellite built for Intelsat is performing well

Galaxy 37/Horizons-4’s Ku-band payload will provide continuity over the Pacific Ocean and the United States for mobility, network, and government customers.

CapabilityGeneralValue 4.0Aug 7, 2023Maxar’s Galaxy 37/Horizons-4 satellite built for Intelsat is performing well

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

CapabilityValue 4.0Aug 7, 2023Maxar’s Galaxy 37/Horizons-4 satellite built for Intelsat is performing well

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

CapabilityPlanValue 4.0Aug 7, 2023Maxar’s Galaxy 37/Horizons-4 satellite built for Intelsat is performing well

Galaxy 37/Horizons-4 joins four satellites built on the Maxar 1300™ bus that are already in orbit and transition Intelsat’s broadband coverage to free up spectrum for 0.005 kg terrestrial wireless services.

CapabilityRelationshipsValue 4.0Aug 7, 2023Maxar’s Galaxy 37/Horizons-4 satellite built for Intelsat is performing well

Galaxy 37/Horizons-4 launched aboard SpaceX’s Falcon 9 rocket from Cape Canaveral Space Force Station in Florida at 1:00 a.m. EDT.

PlanGeneralValue 4.0Aug 4, 2023Intelsat Announces the Successful Launch of Galaxy 37/Horizons-4 Communications Satellite

Maxar manufactured the Galaxy 37/Horizons-4 satellite.

CapabilityGeneralValue 4.0Aug 4, 2023Intelsat Announces the Successful Launch of Galaxy 37/Horizons-4 Communications Satellite

Intelsat successfully launched Galaxy 37/Horizons-4 (G-37/H-4).

PlanGeneralValue 3.8Aug 4, 2023Intelsat Announces the Successful Launch of Galaxy 37/Horizons-4 Communications Satellite

Maxar Technologies manufactured the Galaxy 37/Horizons-4 spacecraft in Palo Alto, California.

CapabilityGeneralValue 4.0Aug 3, 2023Maxar-Built Galaxy 37/Horizons-4 Performing Well After Launch

Galaxy 37/Horizons-4 is performing as expected after its launch on 2023-08-03.

CapabilityPlanGeneralValue 2.0Aug 3, 2023Maxar-Built Galaxy 37/Horizons-4 Performing Well After Launch

Galaxy 37/Horizons-4’s Ku-band payload will provide continuity over the Pacific Ocean and United States for mobility, network, and government customers.

CapabilityGeneralValue 4.0Aug 3, 2023Maxar-Built Galaxy 37/Horizons-4 Performing Well After Launch

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

RelationshipsValue 4.0Aug 3, 2023Maxar-Built Galaxy 37/Horizons-4 Performing Well After Launch

After Galaxy 37/Horizons-4 completes its journey to its orbital position, two payloads on the spacecraft will begin operations.

PlanGeneralValue 3.0Aug 3, 2023Maxar-Built Galaxy 37/Horizons-4 Performing Well After Launch

Because Galaxy-37 was not launched in pairs like Intelsat’s other replacement C-band spacecraft, SpaceX placed Galaxy-37 into a high-energy orbit that reduces the fuel needed to reach its final slot.

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

Galaxy 37/Horizons-4 was launched on a SpaceX Falcon 9 rocket from Cape Canaveral Space Force Station in Florida.

GeneralPlanValue 4.5Aug 3, 2023Maxar-Built Galaxy 37/Horizons-4 Performing Well After Launch

Galaxy-37 was launched on the 40th anniversary of Galaxy-1.

PlanGeneralValue 2.0Aug 3, 2023SpaceX launches Intelsat’s last C-band clearing satellite