Luch 5V ( meaning ''ray'' and sometimes

transliterated Transliteration is a type of conversion of a text from one script to another that involves swapping letters (thus '' trans-'' + '' liter-'') in predictable ways, such as Greek → , Cyrillic → , Greek → the digraph , Armenian → or ...

as Loutch-5V) is a Russian Luch relay satellite which transmits data from the

Russian Orbital Segment The Russian Orbital Segment (ROS) is the name given to the components of the International Space Station (ISS) constructed in Russia and operated by the Russian Roscosmos. The ROS handles Guidance, Navigation, and Control for the entire Station. ...

of the

International Space Station The International Space Station (ISS) is the largest modular space station currently in low Earth orbit. It is a multinational collaborative project involving five participating space agencies: NASA (United States), Roscosmos (Russia), JAXA ...

, and from other satellites in

low Earth orbit A low Earth orbit (LEO) is an orbit around Earth with a period of 128 minutes or less (making at least 11.25 orbits per day) and an eccentricity less than 0.25. Most of the artificial objects in outer space are in LEO, with an altitude never mor ...

. It currently is stationed in the 95° East

geosynchronous orbit A geosynchronous orbit (sometimes abbreviated GSO) is an Earth-centered orbit with an orbital period that matches Earth's rotation on its axis, 23 hours, 56 minutes, and 4 seconds (one sidereal day). The synchronization of rotation and orbital ...

slot of the Luch network.

Luch

Luch 5V is the third of the MKSR Luch Constellation.

Luch 5A Luch 5A ( meaning ''ray'' and sometimes transliterated as Loutch-5A) is a Russian Luch relay satellite which transmits data from the Russian Orbital Segment of the International Space Station, and from other satellites in low Earth orbit. It is ...

was launched on December 11, 2011, and

Luch 5B Luch 5B ( meaning ''ray'' and sometimes transliterated as Loutch-5B) is a Russian Luch relay satellite which transmits data from the Russian Orbital Segment of the International Space Station, and from other satellites in low Earth orbit. It is ...

2 November 2012. They are dual purpose satellites with both military and civil uses, and are similar to those in the US

Tracking and Data Relay Satellite System The U.S. Tracking and Data Relay Satellite System (TDRSS) is a network of American communications satellites (each called a tracking and data relay satellite, TDRS) and ground stations used by NASA for space communications. The system was desig ...

. Luch 5V was built by

JSC Information Satellite Systems JSC Information Satellite Systems Reshetnev (russian: Информационные спутниковые системы имени академика М. Ф. Решетнёва, Informatsionnye sputnikovye systemy imeny akademika M. F. Reshetnyov ...

using the Ekspress-1000A bus, and is an almost clone of the Luch 5A. The only differences are some structural designs that had to be adapted for its companion to orbit,

KazSat-3 KazSat-3 ( kk, ҚазСат-3, ''QazSat-3'') is a telecommunications satellite which was launched 28 April 2014 at 04:25:00 UTC from Cosmodrome Baikonur in Kazakhstan. with a Proton-M launch vehicle. KazSat-3 is designed for services of tele ...

. It has 6 S and

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 ...

channels with repeaters manufactured by

Thales Alenia Space Thales Alenia Space () is a Franco-Italian aerospace manufacturer. A joint venture between the French technology corporation Thales Group (67%) and Italian defense conglomerate Leonardo (33%), the company is the largest satellite manufacture ...

and other equipment manufactured by

Sumitomo The is one of the largest Japanese ''keiretsu'', or business groups, founded by Masatomo Sumitomo (1585-1652) around 1615 during the early Edo period. History The Sumitomo Group traces its roots to a bookshop in Kyoto founded circa 1615 by Masa ...

. The Ku band antenna operates at up to 150

Mbit/s In telecommunications, data-transfer rate is the average number of bits (bitrate), characters or symbols (baudrate), or data blocks per unit time passing through a communication link in a data-transmission system. Common data rate units are multi ...

and the S band antenna at up to 5 Mbit/s. The satellite also relays

COSPAS/SARSAT The International Cospas-Sarsat Programme is a satellite-aided search and rescue (SAR) initiative. It is organized as a treaty-based, nonprofit, intergovernmental, humanitarian cooperative of 45 nations and agencies (see infobox). It is d ...

signals and Planet-S System data. The satellite is designed to relay data from the ISS, the new

Soyuz-MS The Soyuz MS (; GRAU: 11F732A48) is a revision of the Russian spacecraft series Soyuz first launched in 2016. It is an evolution of the Soyuz TMA-M spacecraft, with modernization mostly concentrated on the communications and navigation subsyst ...

and

Progress-MS The Progress (russian: Прогресс) is a Russian expendable cargo spacecraft. Its purpose is to deliver the supplies needed to sustain a human presence in orbit. While it does not carry a crew, it can be boarded by astronauts when docked t ...

spacecraft, satellites in low earth orbit and rocket launch vehicles.

Launch

Luch 5V was launched on 28 April 2014 on a dual launch with

communication 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 ...

. The

Proton-M The Proton-M, (Протон-М) GRAU index 8K82M or , is an expendable Russian heavy-lift launch vehicle derived from the Soviet-developed Proton. It is built by Khrunichev, and launched from sites 81 and 200 at the Baikonur Cosmodrome in Kaz ...

rocket with a

Briz-M The Briz-K, Briz-KM and Briz-M (russian: Бриз-К, КM and M meaning ''Breeze-K, KM and M'') are Russian liquid-propellant rocket orbit insertion upper stages manufactured by Khrunichev State Research and Production Space Center and used ...

upper stage launched from

Baikonur Cosmodrome The Baikonur Cosmodrome ( kk, Байқоңыр ғарыш айлағы, translit=Baiqoñyr ğaryş ailağy, ; russian: Космодром Байконур, translit=Kosmodrom Baykonur, ) is a spaceport in an area of southern Kazakhstan leased to R ...

launchpad 81/24 at 04:25 UTC. After five burns of the Briz-M upper stage it was placed into

References

{{Orbital launches in 2014 Spacecraft launched by Proton rockets Spacecraft launched in 2014 Communications satellites of Russia Satellites using the Ekspress bus Telecommunications in Russia 2014 in Russia Roscosmos Communications satellites in geostationary orbit