Yamal-101 (

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 ...

: ) was an intended

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 ...

that was lost after launch. It was built by

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 ...

and 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 ...

. It was, along with Yamal-102 the first communications satellite of the Yamal programme and the first iteration of the USP Bus. It was a satellite with 2200

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s of power (1300 watts available for the payload) on an unpressurized bus. It had eight SPT-70 electric thrusters by

OKB Fakel EDB Fakel (Russian language, Russian ''ОКБ "Факел"'') is a Russian electric propulsion system development company. It is located in Kaliningrad (town), Kaliningrad in Kaliningrad Oblast. It was founded in 1955 as a ''Propulsion laboratory ...

for station keeping. Its payload was 12

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 ...

equivalent

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 ...

supplied by

Space Systems/Loral SSL, formerly Space Systems/Loral, LLC (SS/L), of Palo Alto, California, is a wholly owned manufacturing subsidiary of Maxar Technologies. SSL designs and builds satellites and space systems for a wide variety of government and commercial cust ...

History

It was launched successfully with Yamal-102, on 6 September 1999 at 16:36:00

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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 ...

Site 81/23 by a

Proton-K The Proton-K, also designated Proton 8K82K after its GRAU index or SL-12 after its model number, was a Russian, previously Soviet, carrier rocket derived from the earlier Proton. It was built by Khrunichev, and launched from sites 81/23, 8 ...

/ Blok DM-2M 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 ...

. Due to a failure in the electrical system at

solar panel A solar panel is a device that converts sunlight into electricity by using photovoltaic (PV) cells. PV cells are made of materials that produce excited electrons when exposed to light. These electrons flow through a circuit and produce direct ...

deployment it was lost right after launch.

Rename of Yamal-102

After Yamal-101 failed,

registered Yamal-102 as Yamal-101. This caused significant confusion, but the records are clear that the satellite that failed was the original Yamal-101. Insurance paid US$50 million for the failure.

References

External links

Gunter Space Page on the Yamal 101/102
{{Orbital launches in 1999 Yamal-101 Spacecraft launched in 1999 Satellites using the USP bus 1999 in Russia Spacecraft launched by Proton rockets

History

Rename of Yamal-102

See also

References

External links