Telstar 14R

Telstar 14R
Name	Telstar 14R
Names list	Telstar 14R (Estrela do Sul 1)
Mission type	Communications
Operator	Telesat
Cospar id	2011-028A
Satcat	37745
Manufacturer	Space Systems/Loral
Spacecraft type	SSL 1300
Launch date	2011-05-20
Launch rocket	Proton-M/Briz-M
Launch site	Baikonur Cosmodrome Site 200/39
Orbit reference	Geocentric orbit
Orbit regime	Geostationary orbit
Orbit longitude	63° West (nominal)
Trans band	Ku-band
Trans capacity	48 transponders (nominal)
Programme	Telstar
Previous mission	Telstar 14
Next mission	Telstar 12V

Telstar 14R is a commercial communications satellite built to provide broadband and media services across the Americas. Operated by Telesat and manufactured by Space Systems/Loral (SSL), the spacecraft was intended to replace or augment capacity near 63° West longitude. Its deployment involved international partners and legacy satellite platforms linked to major broadcasters and network operators.

Satellite description

Telstar 14R was cataloged as an SSL 1300-series platform derived from designs used by Anik F2, EchoStar XVII (Jupiter-1), and other geostationary communications assets. The bus combined modular power systems and propulsion elements similar to those on spacecraft produced for Intelsat, SES S.A., and Eutelsat. Telstar 14R carried a Ku-band payload aimed at servicing broadcast clients such as DirecTV, Dish Network (United States), and regional carriers in Brazil, Mexico, and the Caribbean. The satellite’s mass, solar array configuration, and antenna architecture followed patterns seen on SSL-built satellites that served customers including AT&T, Bell Canada, and SK Telecom.

Mission history

Telesat contracted SSL after prior fleet experiences with satellites like Telstar 14 and industry events involving Anik F1R anomalies. Funding and scheduling involved financial and regulatory stakeholders including Export-Import Bank of the United States and launch services provided by International Launch Services (ILS). The mission was announced in the context of competitive capacity procurement against operators such as SES Astra, Eutelsat S.A., and Intelsat S.A.. Political and commercial considerations touched entities like Brazilian Development Bank customers and media conglomerates including Globo and Televisa seeking transponder leases.

Spacecraft design and payload

The spacecraft used the SSL 1300 architecture, featuring chemical propulsion for orbit raising and stationkeeping options similar to those employed by satellites servicing Hughes Network Systems and Viasat. The payload comprised multiple Ku-band transponders, traveling-wave tube amplifiers and regenerative equipment comparable to systems used by PanAmSat and NSS (New Skies Satellites). Antenna reflectors and phased-feed assemblies mirrored technologies adopted for high-throughput satellites like ViaSat-1 while also supporting traditional broadcast footprints akin to Galaxy 19 and Intelsat 20. On-board avionics, attitude control, and thermal systems reflected heritage components that had flown on missions for NASA communications relays and for commercial platforms contracted by Lockheed Martin and Boeing.

Launch and orbit

Telstar 14R launched on a Proton-M rocket with a Briz-M upper stage from Baikonur Cosmodrome Site 200/39 in Kazakhstan. The mission profile paralleled other geostationary insertions conducted by ILS, resembling sequences used for Yamal and Express satellites. After separation, the satellite executed apogee maneuvers and stationkeeping burns to reach geostationary orbit, aligning to an operational longitude that commercial operators like Telesat and Intelsat use for North and South American coverage. Ground control handover involved satellite operations teams and tracking facilities comparable to those supporting Eutelsat and SES assets.

Operations and anomalies

Operational service delivered transponder capacity to broadcasters, internet service providers, and corporate networks resembling customers of HughesNet and Viasat. During in-orbit operations, Telstar 14R experienced issues similar in consequence to historical anomalies suffered by satellites such as Telstar 14 and other SSL-built platforms; these events prompted analysis by industry groups including the International Telecommunication Union and operators like Telesat and contractors including SSL and ILS. Contingency measures drew on stationkeeping strategies used after failures on satellites like ABS-2 and Eutelsat 115 West B, while insurance settlements and customer migrations reflected precedents involving Intelsat fleet disruptions and commercial mitigation practiced by SES S.A..

End of mission and disposal

Following its operational life and any performance degradations, end-of-life procedures followed protocols similar to those codified by International Telecommunication Union and best practices adopted by operators including Telesat, Intelsat, and Eutelsat S.A.. Disposal typically entailed relocation to a graveyard orbit using remaining propellant reserves following guidance adopted by United Nations Office for Outer Space Affairs and space sustainability recommendations endorsed by entities such as European Space Agency. Legacy impacts were considered in the context of fleet renewals exemplified by replacement efforts like Telstar 12V and industry trends toward all-electric platforms exemplified by Jupiter 3 developments.

Category:Communications satellites Category:Spacecraft launched in 2011