Russian
Russian(s) may refer to:
*Russians (), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries
*A citizen of Russia
*Russian language, the most widely spoken of the Slavic languages
*''The Russians'', a b ...
: ) is a
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 altitud ...
communications satellite
A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a Transponder (satellite communications), transponder; it creates a communication channel between a source transmitter and a Rad ...
operated by
Gazprom Space Systems
OJSC Gazprom Space Systems (), previously known as (Gazcom) (), is a Russian communications satellite operator and developer.
Overview
Gascom currently operates the Yamal telecommunication satellites, initially designed and built jointly with the ...
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 less customized than specially-produced satelli ...
. It was the first switch of satellite supplier in Yamal programme after Gazprom had disagreements on the schedule and cost of Yamal-301 and Yamal-302 with
RSC Energia
S.P. Korolev Rocket and Space Corporation "Energia" () is a Russian manufacturer of spacecraft and space station components. Its name is derived from the Russian word for energy and is also named for Sergei Pavlovich Korolev, the first chief o ...
. It is a satellite with 5.6 kW of power on an unpressurized bus designed for direct geostationary orbit injection with 14 years of design life. Its payload was supplied by
Thales Alenia Space
Thales Alenia Space () is a joint venture between the French technology corporation Thales Group (67%) and Italian defense conglomerate Leonardo (company), Leonardo (33%). The company is headquartered in Cannes, France.
It provides space-based ...
and is composed of 8 x 72
MHz
The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), often described as being equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose formal expression in terms of SI base u ...
C-band C band may refer to:
* C band (IEEE), a radio frequency band from 4 to 8 GHz
* C band (infrared), an infrared band from 1530 to 1565 nm (roughly 200 THz)
* C band (NATO)
The NATO C-band is the obsolete designation given to the radio frequen ...
and 18 x 72 MHz
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 ), because it is the lower part of the original NATO K band ...
transponders
In telecommunications, a transponder is a device that, upon receiving a signal, emits a different signal in response. The term is a blend of ''transmitter'' and ''responder''.
In air navigation or radio frequency identification, a flight trans ...
for a 36 MHz equivalent of 52 transponders. Its transmitted power is 110 watts in C-band and 140 watts in Ku-band.
Launch
Yamal-300K was launched along Luch 5B on 2 November 2012 at 21:04:00
UTC
Coordinated Universal Time (UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones. UTC facilitates international communica ...
from
Baikonur
Baikonur ( ; ) is a city in Kazakhstan on the northern bank of the Syr Darya river. It is currently leased and administered by the Russian Federation as an enclave until 2050. It was constructed to serve the Baikonur Cosmodrome with adminis ...
Proton-M
The Proton-M, (Протон-М) GRAU index 8K82M or , is an Expendable launch system, expendable Russian heavy-lift launch vehicle derived from the Soviet Union, Soviet-developed Proton (rocket family), Proton. It is built by Khrunichev State R ...
/
Briz-M
The Briz-K, Briz-KM and Briz-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 on the Proton-M and Angara A5. T ...
directly to
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 orbit, circular geosynchronous or ...
. The launch and satellite deployment was successful and Yamal-300K was commissioned into service.
Mission
As of 12 May 2020, it is still in service, but has been moved to 183° East (177° West).
See also
* Luch 5B – Satellite that was launched together with Yamal-300K
* Yamal – Communication satellite family operated by Gazprom Space Systems
*
Gazprom Space Systems
OJSC Gazprom Space Systems (), previously known as (Gazcom) (), is a Russian communications satellite operator and developer.
Overview
Gascom currently operates the Yamal telecommunication satellites, initially designed and built jointly with the ...
– Satellite communication division of the Russian oil giant
Gazprom
PJSC Gazprom ( rus, Газпром, , ɡɐsˈprom) is a Russian State-owned enterprise, majority state-owned multinational Energy industry, energy corporation headquartered in the Lakhta Center in Saint Petersburg. The Gazprom name is a contract ...
* Ekspress (satellite bus) – The satellite bus on which Yamal-300K is based
* ISS Reshetnev – The designer and manufacturer of the Yamal-300K satellite