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SES 18

active
CommunicationsGEOCOSPAR 2023-038ALaunched 3/17/2023
Admin Edit
Mission & Launch
Launch Mission
SES-18/19
Launch Vehicle
Falcon 9 FT5
Launch Date
3/17/2023
Orbit & Mass
Orbit Class
GEO
Altitude
35,713.5 km
Inclination
0.02 deg
Dry Mass
1,139 kg
Total Mass
3,605 kg
Payload Classification
Mission Type
Communications
Payload Category
COM
Payload Class
B
Organizations
Operator
SES
Manufacturer
Northrop Grumman
Constellation
Name
SES GEO fleet
Active Satellites
20
Registry
COSPAR ID
2023-038A
Track
Mentions
54
All verified mentions of this spacecraft in source documents.
0.0-5.0
Actions

SES-18 and SES-19 are the fourth and fifth and final satellites to be launched as part of SES’s C-band transition plan.

PlanGrowthValue 4.0Mar 17, 2023SES’s Fourth and Fifth C-band Satellites for the United States Successfully Launched
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The Falcon 9 that deployed SES-18 and SES-19 lifted off at 7:38 p.m. Eastern on 2023-03-17.

PlanValue 4.0Mar 17, 2023SpaceX launches final two satellites in SES C-band clearing plan

SES-18 and SES-19 were built by Northrop Grumman.

RelationshipsCapabilityValue 3.5Mar 17, 2023SpaceX launches final two satellites in SES C-band clearing plan

SES-18 provides contractual service protections for U.S. video service customers to enable SES to clear C-band spectrum.

RelationshipsLegalValue 4.0Mar 17, 2023UPDATE 1: SES-18 + SES-19 satellites’ orbital endeavors via SpaceX accomplished

SES-18 is expected to begin operations in June 2023 at 103 degrees West replacing the SES-3 C-band payload.

PlanGeneralValue 4.0Mar 17, 2023UPDATE 1: SES-18 + SES-19 satellites’ orbital endeavors via SpaceX accomplished

SES-18 and SES-19 follow the launch of SES-22 in June 2022 and the tandem launch of SES-20 and SES-21 in October 2022.

PlanGrowthValue 3.5Mar 17, 2023UPDATE 1: SES-18 + SES-19 satellites’ orbital endeavors via SpaceX accomplished

SES-18 and SES-19 were launched by SpaceX’s Falcon 9 from Cape Canaveral Space Force Station in Florida at 7:38 p.m. local time on 2023-03-17.

PlanValue 4.0Mar 17, 2023SES’s Fourth and Fifth C-band Satellites for the United States Successfully Launched

SES-18 and SES-19 will provide contractual service protections to customers who receive video services in the United States to enable clearing of C-band spectrum.

RelationshipsGeneralValue 4.4Mar 17, 2023SES’s Fourth and Fifth C-band Satellites for the United States Successfully Launched

SES-18 is expected to begin operations in June 2023 at 103 degrees West replacing the SES-3 C-band payload.

PlanCapabilityValue 4.0Mar 17, 2023SES’s Fourth and Fifth C-band Satellites for the United States Successfully Launched

The Falcon 9 first stage booster supporting the SES-18 and SES-19 mission previously supported the launches of CRS-24, Eutelsat HOTBIRD 13F, OneWeb 1, and two Starlink missions.

GeneralValue 3.8Mar 17, 2023UPDATE 1: SES-18 + SES-19 satellites’ orbital endeavors via SpaceX accomplished

SES-18 and SES-19 were developed by Northrop Grumman and built on the company’s GEOStar-3 satellite bus.

CapabilityGeneralValue 4.0Mar 17, 2023UPDATE 1: SES-18 + SES-19 satellites’ orbital endeavors via SpaceX accomplished

SES will launch five satellites—SES-18, SES-19, SES-20, SES-21, and SES-22—in 2022 to meet the FCC’s accelerated deadline of clearing C-band spectrum across the U.S. by December 2023 while maintaining uninterrupted services.

PlanLegalCapabilityValue 4.2Jun 29, 2022SpaceX’s Falcon 9 pushes the Thales Alenia Space-built SES-22 satellite up from Cape Canaveral SFS

SES will launch five satellites—SES-18, SES-19, SES-20, SES-21, and SES-22—in 2022 to meet the FCC’s accelerated deadline to clear C-band spectrum across the United States by December 2023 while maintaining uninterrupted services.

PlanLegalValue 4.5Jun 29, 2022SES’s C-band Satellite Successfully Launched Onboard SpaceX Rocket

Northrop Grumman will build SES-18 and SES-19 in Dulles, Virginia on its GeoStar-3 satellite platform.

PlanCapabilityGeneralValue 4.5Jun 16, 2020Boeing, Northrop Grumman win SES C-band satellite orders