SES-14

SES-14
Name	SES-14
Operator	SES S.A.
Spacecraft type	Boeing 702SP
Manufacturer	Boeing
Launch date	2018-01-25
Launch rocket	Ariane 5
Launch site	Guiana Space Centre
Orbit	Geostationary orbit

SES-14 SES-14 is a geostationary communications satellite built by Boeing for SES S.A. as part of a fleet modernization program alongside satellites such as SES-15 and SES-12. The satellite provides broadband, video and mobility services for customers including airlines, broadcasters and government agencies across the Americas and the Atlantic Ocean region, drawing on heritage from programs like Intelsat and EUTELSAT partnerships. SES-14 plays a role in transatlantic connectivity similar to assets operated by Telesat, Inmarsat, and Hughes Network Systems.

Overview

SES-14 was contracted during a period of fleet expansion driven by demand from companies such as DirecTV, Dish Network, AT&T, Telefonica, and Comcast. The satellite complements other communications platforms operated by SES Astra and SES Networks and fits into a global architecture alongside satellites like Hispasat 30W-6 and Eutelsat 172B. Procurement and launch planning involved organizations including Arianespace, Boeing Defense, Space & Security, and regulatory coordination with agencies such as Federal Communications Commission and International Telecommunication Union.

Spacecraft and Payload

The spacecraft bus is the Boeing 702SP platform, a variant related to earlier designs used for missions like EchoStar XVII and influenced by work with Lockheed Martin and Northrop Grumman. The payload includes multiple beams in C-band, Ku-band, and a High Throughput Satellite (HTS) payload comparable to technologies deployed on ViaSat-2 and Eutelsat Quantum. Antenna and transponder systems leverage engineering from partnerships with suppliers such as Thales Alenia Space and Airbus Defence and Space. Onboard avionics and power systems draw from heritage programs including GPS Block III and lessons from missions like SES-8.

Launch and Mission

SES-14 was launched by Arianespace aboard an Ariane 5 vehicle from the Guiana Space Centre at Kourou, joining a dual-launch manifest tradition that also carried satellites such as GSAT-11 and EchoStar XIX. Launch operations involved coordination with range safety authorities including CNES and flight dynamics support from entities like European Space Agency. The mission timeline included orbital transfer, separation events, and a commissioning campaign similar to procedures used for satellites such as Intelsat 35e and Eutelsat 65 West A.

Orbit and Operations

SES-14 was inserted into a geostationary transfer orbit and subsequently maneuvered to an operational slot over the Atlantic region using electric propulsion systems, following trends set by satellites like Boeing 702SP missions and SES-12. Stationkeeping and attitude control employed propulsion components akin to systems used on JCSAT and Anik F2. Operational control shifted to the SES operations center with network orchestration comparable to hubs run by Iridium Communications and Orbcomm; service activation provided coverage for routes served by airlines such as LATAM Airlines, American Airlines, and broadcasters including CNN and BBC World News.

Ground Segment and Coverage

The ground segment supporting SES-14 integrates teleport facilities similar to those operated by Sky Perfect JSAT and Telesat, along with partner ground stations in regions like Brazil, United States Virgin Islands, and French Guiana. Customer terminals and gateways follow standards set by organizations like TIA and interoperability efforts involving Cisco Systems and Huawei. Coverage maps emphasize the Americas and transatlantic corridors, supporting maritime customers such as Carnival Corporation and government users akin to NASA and NOAA for data relay functions.

Mission History and Anomalies

During early operations, SES-14 experienced an in-orbit anomaly that prompted coordination between SES S.A. engineers, Boeing specialists, and mission assurance teams similar to those assembled for incidents with satellites like Telstar 14R and JCSAT-17. Contingency plans included reconfiguration of payloads and customer migrations comparable to industry responses by Eutelsat and Intelsat for earlier anomalies. Ongoing anomaly investigations drew on telemetry analysis techniques used by Jet Propulsion Laboratory and lessons from the European Space Agency incident response processes to restore full mission capability and maintain service commitments to operators such as HughesNet and broadcasters including DirecTV Latin America.

Category:Communications satellites