EchoStar XXI (formerly known as TerreStar 2[2]) is a European communications satellite which is operated by Echostar Corporation. It was constructed by Space Systems/Loral, based on the SSL 1300 satellite bus, and carries S band transponders which will be used to provide 2 GHz mobile connectivity throughout Europe.

EchoStar XXI was launched at 03:45 UTC on June 8, 2017[3] from the Baikonur Cosmodrome in Kazakhstan. This satellite was the heaviest commercial payload flown aboard a Russian booster at the time of its launch.[4]

Before being launched, the satellite was known as TerreStar-2, a ground spare for TerreStar Networks' satellite-terrestrial telephone network.[5]

References

  1. ^ "EchoStar XX1 Satellite details 2017-032A NORAD 42749". N2YO. 22 July 2018. Retrieved 22 July 2018.
  2. ^ "Echostar 21". 8 June 2017. Retrieved 2018-07-22.
  3. ^ "EchoStar XXI Satellite Successfully Launched". EchoStar Corporation. 2017-06-08. Retrieved 2018-07-22.
  4. ^ "Video: Proton rocket returns to service with launch of EchoStar 21". Retrieved 2018-07-22.
  5. ^ "TerreStar-2 in Final Payload Integration". 26 April 2010. Retrieved 2018-07-22.

External links