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TürkmenÄlem 52°E / MonacoSAT

From Wikipedia, the free encyclopedia

TürkmenÄlem 52°E / MonacoSAT
Mission typeCommunications
OperatorTurkmenistan National Space Agency Turkmenistan
COSPAR ID2015-023A
SATCAT no.40617
Mission duration15 years
Spacecraft properties
BusSpacebus-4000C2[1]
ManufacturerThales Alenia Space
Launch mass4,707 kilograms (10,377 lb)
Start of mission
Launch date27 April 2015, 23:03 (2015-04-27UTC23:03Z) UTC
RocketFalcon 9 v1.1
Launch siteCape Canaveral SLC-40
ContractorSpaceX United States
Orbital parameters
Reference systemGeocentric
RegimeGeostationary
Longitude52° East
Eccentricity0.0001353[2]
Perigee altitude35,775 kilometres (22,230 mi)[2]
Apogee altitude35,786 kilometres (22,236 mi)[2]
Inclination0.03 degrees[2]
Period1435.81 minutes[2]
Epoch7 May 2015, 02:24:00 UTC[2]
 

TürkmenÄlem 52°E / MonacoSAT[3] (formerly referred to as TurkmenSat 1[4]) is Turkmenistan's first satellite,[5] built by Thales Alenia Space in the Cannes Mandelieu Space Center. Launched from Cape Canaveral on 27 April 2015 aboard a Falcon 9 v1.1 rocket, the satellite operates at 52°E in the geostationary orbit and has an anticipated service life of 15 years.[1]

The 52°E position is controlled by the Principality of Monaco and the satellite includes 12 transponders that are referred to and commercialised as MonacoSAT as well as the 26 transponders referred to as TürkmenÄlem.[3] The satellite is operated by the Turkmenistan National Space Agency.[6] Wide Network Solutions is the satellite's biggest commercial operator.

History

Launch of Falcon 9 carrying TürkmenÄlem 52°E / MonacoSAT
Launch of Falcon 9 carrying TürkmenÄlem 52°E / MonacoSAT

In 2009, Space Systems International - Monaco (SSI-Monaco) signed a license agreement with the Monaco government for the development and use of the 52°E orbital position for the MonacoSAT project. In November 2011, the Turkmenistan Ministry of Communications signed agreements with Thales Alenia Space to build the first TurkmenSpace satellite of the Turkmenistan NSSC (National System of Satellite Communications) programme, and with SSI-Monaco to use the 52°E position, including the right for SSI-Monaco to use 12 Ku-band transponders on the satellite as MonacoSAT. In July 2013, global satellite operator SES and SSI-Monaco signed an agreement for SES to commercialise the 12 MonacoSAT transponders and integrate MonacoSAT into the SES fleet.[7]

The satellite was originally intended to be launched on a Chinese Long March 3B rocket but International Traffic in Arms Regulations prevented some US made parts being exported to China for the launch, and so in June 2013 it was switched to a SpaceX Falcon 9 v1.1 launcher,[8] and planned for late 2014/early 2015.[9]

The launch was initially scheduled for 21 March 2015 but this was delayed to study a problem with a helium pressurisation system on the Falcon 9 rocket, and a new launch date was set for no earlier than 24 April 2015.[10][11] SpaceX clarified the reason for the delay: "the issue wasn’t with the [helium] bottles themselves, but rather other bottles from a similar lot that failed testing at the company’s assembly plant. We identified a potential condition that could be shared with those on board the Thales vehicle."[10] The subsequent launch on 27 April 2015 successful positioned the satellite at 52°E.

Coverage

The TürkmenÄlem 52°E / MonacoSAT satellite has 38 Ku-band transponders providing coverage in Europe, the Middle East, Africa and Asia[5] with three downlink beams:[12]

  • The West beam is centred on Turkmenistan, Kazakhstan and Uzbekistan with 53 dbW power providing reception on dishes down to about 50 cm. The beam extends at lower powers north east across Russia, north across Scandinavia to Svalbard and west across Europe to the Atlantic with a second high power lobe over France and southern UK.
  • The East beam is also centred on Turkmenistan, Kazakhstan and Uzbekistan with a slightly reduced power (52 dBW) and extends west across central and northern Europe with a second 52 dBW lobe over north west France.
  • The MENA beam is centred on the Arabian Peninsula and North Africa (Libya) with a maximum power of 51 dBW, and extends as far south as Sudan and Ethiopia.

MonacoSAT

The MonacoSAT payload of 12 Ku-band transponders commercialised by SES provides capacity for DTH broadcasting over the Middle East and North Africa, in addition to resources for trunking and data services in Europe, the Middle East, North Africa and Central Asia. In particular, MonacoSAT provides growth potential for the Abu Dhabi-based Yahsat and SES joint venture bouquet YahLive, additional to the broadcasts from YahSat 1A at the adjacent orbital position of 52.5°E.[13]

Freq

H_10804_27500

V_10845_27500

V_10887_27500

V_12226_28000

V_12265_27500

V_12303_27500

V_12341_28000

V_12380_28000

H_12437_27500

H_12476_27500

See also

References

  1. ^ a b "TurkmenAlem52E/MonacoSAT launch a success!". Thales Alenia Space. 28 April 2015. Retrieved 1 May 2015.
  2. ^ a b c d e f Peat, Chris (10 May 2015). "TurkmenAlem52E - Orbit". Heavens-Above. Retrieved 10 May 2015.
  3. ^ a b "What Is MonacoSAT". Space Systems International - Monaco. Retrieved 30 January 2017.
  4. ^ "Satellite Orders Report - 2011 Year-end Summary" (PDF). Futron. Archived from the original (PDF) on 20 December 2013. Retrieved 20 December 2013.
  5. ^ a b "Туркменистан: золотой век". Turkmenistan.gov.tm. 17 December 2013. Retrieved 8 March 2015.
  6. ^ "Turkmenistan to launch first space satellite in 2014". En.trend.az. Retrieved 8 March 2015.
  7. ^ "SES AND SSI-MONACO SIGN MONACOSAT COLLABORATION AGREEMENT" (Press release). SES. 4 July 2013. Retrieved 30 January 2017.
  8. ^ TürkmenÄlem 52E / MonacoSat Gunter's Space Page. Accessed January 30, 2017
  9. ^ "SpaceX To Launch Turkmenistan's First Satellite". Forbes. 22 June 2013. Retrieved 8 March 2015.
  10. ^ a b "SpaceX Clarifies Reason For TurkmenAlem52E Launch Delay". ZeroG News. 23 March 2015. Retrieved 25 March 2015.
  11. ^ http://spaceflightnow.com/2015/03/21/spacex-swaps-order-of-next-two-falcon-9-launches/
  12. ^ MonacoSAT SES. Accessed January 30, 2017
  13. ^ "YAHLIVE SECURES ADDITIONAL CAPACITY FROM SES" (Press release). SES. 17 December 2015. Retrieved 30 January 2017.

External links

This page was last edited on 24 April 2021, at 00:12
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