Türksat 5B is a Turkish

geostationary A geostationary orbit, also referred to as a geosynchronous equatorial orbit''Geostationary orbit'' and ''Geosynchronous (equatorial) orbit'' are used somewhat interchangeably in sources. (GEO), is a circular geosynchronous orbit in altitude ...

high-throughput (HTS)

communications satellite A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. C ...

of Türksat A.Ş. developed for military and commercial purposes, and was launched on 19 December 2021, at 03:58:39 UTC.

Development

The Türksat 5B project started in September 2011. The final production contract for the

Turkish Aerospace Industries Turkish Aerospace Inc. ( tr, Türk Havacılık ve Uzay Sanayi A.Ş., TUSAŞ) is the center of technology in design, development, manufacturing, integration of aerospace systems, modernization and after sales support in Turkey. Located in Ankara ...

(TAI) was planned for 2015. After a delay, the contract was realized in October 2017 when

Airbus Defence and Space Airbus Defence and Space is the division of Airbus SE responsible for the development and manufacturing of the corporation's defence and space products, while also providing related services. The division was formed in January 2014 during the ...

was selected to join the project with the requirement that 25% of the satellite be built in Turkey in order to stimulate the technological sector of the Turkish economy. In November 2020, it was announced that satellite level tests for Türksat 5B have begun.

Launch

The satellite was launched with a

Falcon 9 Falcon 9 is a partially reusable medium lift launch vehicle that can carry cargo and crew into Earth orbit, produced by American aerospace company SpaceX. The rocket has two stages. The first (booster) stage carries the second stage and payl ...

launch vehicle A launch vehicle or carrier rocket is a rocket designed to carry a payload (spacecraft or satellites) from the Earth's surface to outer space. Most launch vehicles operate from a launch pad, launch pads, supported by a missile launch contro ...

SpaceX Space Exploration Technologies Corp. (SpaceX) is an American spacecraft manufacturer, launcher, and a satellite communications corporation headquartered in Hawthorne, California. It was founded in 2002 by Elon Musk with the stated goal of ...

Cape Canaveral , image = cape canaveral.jpg , image_size = 300 , caption = View of Cape Canaveral from space in 1991 , map = Florida#USA , map_width = 300 , type =Cape , map_caption = Location in Florida , location ...

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...

, on 19 December 2021 at 03:58:39 UTC. The first-stage booster used on this mission was B1067, making its third flight; the first stage was successfully recovered on the drone ship ''A Shortfall of Gravitas''.

Spacecraft

Türksat 5B is a

to serve on a

geostationary orbit A geostationary orbit, also referred to as a geosynchronous equatorial orbit''Geostationary orbit'' and ''Geosynchronous (equatorial) orbit'' are used somewhat interchangeably in sources. (GEO), is a circular geosynchronous orbit in altitud ...

at 42° East

longitude Longitude (, ) is a geographic coordinate that specifies the east–west position of a point on the surface of the Earth, or another celestial body. It is an angular measurement, usually expressed in degrees and denoted by the Greek letter l ...

. It was built on a Eurostar-3000EOR

satellite bus A satellite bus (or spacecraft bus) is the main body and structural component of a satellite or spacecraft, in which the payload and all scientific instruments are held. Bus-derived satellites are opposed to specially produced satellites. Bus-d ...

manufactured by

. It has a mass of and an expected design lifetime of 15 years, maneuver lifetime of more than 35 years. Powered by two deployable

solar panels A solar cell panel, solar electric panel, photo-voltaic (PV) module, PV panel or solar panel is an assembly of photovoltaic solar cells mounted in a (usually rectangular) frame, and a neatly organised collection of PV panels is called a phot ...

and batteries at 15 kW, the 50 Gbps

high-throughput satellite High-throughput satellite (HTS) is a communications satellite that provides more throughput than a classic FSS satellite (at least twice, though usually by a factor of 20 or more) for the same amount of allocated orbital spectrum, thus significan ...

consists of

Ku-band The Ku band () is the portion of the electromagnetic spectrum in the microwave range of frequencies from 12 to 18 gigahertz (GHz). The symbol is short for "K-under" (originally german: Kurz-unten), because it is the lower part of the ori ...

Ka-band The Ka band (pronounced as either "kay-ay band" or "ka band") is a portion of the microwave part of the electromagnetic spectrum defined as frequencies in the range 26.5–40 gigahertz (GHz), i.e. wavelengths from slightly over one centime ...

and

X-band The X band is the designation for a band of frequencies in the microwave radio region of the electromagnetic spectrum. In some cases, such as in communication engineering, the frequency range of the X band is rather indefinitely set at approxim ...

transponders. The 3 military

transponders have global coverage and were developed by Aselsan for use by the Turkish

Presidency of Defense Industries In Turkey, Defence Industry Agency ( tr, Savunma Sanayii Başkanlığı (SSB)); formerly ''Presidency of Defense Industries'' and ''Undersecretariat for Defence Industries (SSM)'' before that, is a civil institution established by the government t ...

(SSB/SSM).

References

{{Orbital launches in 2021 Communications satellites of Turkey Satellites using the Spacebus bus SpaceX commercial payloads Communications satellites in geostationary orbit High throughput satellites Spacecraft launched in 2021 2021 in Turkey

Development

Launch

Spacecraft

See also

References