Russian
Russian(s) refers to anything related to Russia, including:
*Russians (, ''russkiye''), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries
*Rossiyane (), Russian language term for all citizens and peo ...
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 ...
operated by
Gazprom Space Systems
OJSC Gazprom Space Systems (russian: ОАО «Газпром космические системы»), previously known as (Gazcom) (russian: «Газком»), is a Russian communications satellite operator and developer.
Overview
Gascom currentl ...
and built by
ISS Reshetnev
JSC Information Satellite Systems Reshetnev (russian: Информационные спутниковые системы имени академика М. Ф. Решетнёва, Informatsionnye sputnikovye systemy imeny akademika M. F. Reshetnyov ...
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- ...
. 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
PAO S. P. Korolev Rocket and Space Corporation Energia (russian: Ракетно-космическая корпорация «Энергия» им. С. П. Королёва, Raketno-kosmicheskaya korporatsiya "Energiya" im. S. P. Korolyov ...
. 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 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 manufactur ...
and is composed of 8 x 72
MHz
The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s−1, meaning that one he ...
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 ...
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 tran ...
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
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 ...
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 Ka ...
/
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 ...
directly to geostationary orbit. 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
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 ...
– Satellite that was launched together with Yamal-300K
* Yamal – Communication satellite family operated by Gazprom Space Systems
*
Gazprom Space Systems
OJSC Gazprom Space Systems (russian: ОАО «Газпром космические системы»), previously known as (Gazcom) (russian: «Газком»), is a Russian communications satellite operator and developer.
Overview
Gascom currentl ...
– Satellite communication division of the Russian oil giant Gazprom
*
Ekspress (satellite bus)
The Ekspress ( Russian: ) is a highly flexible satellite bus designed and manufactured by ISS Reshetnev. It is an unpressurized bus originally designed for GEO, but that has been adapted for medium Earth orbit and to highly elliptical orbit ...
– The satellite bus on which Yamal-300K is based
*
ISS Reshetnev
JSC Information Satellite Systems Reshetnev (russian: Информационные спутниковые системы имени академика М. Ф. Решетнёва, Informatsionnye sputnikovye systemy imeny akademika M. F. Reshetnyov ...
– The designer and manufacturer of the Yamal-300K satellite