EchoStar XXI
Mission type | Communication |
---|---|
Operator | EchoStar Corporation |
COSPAR ID | 2017-032A |
SATCAT no. | 42749 |
Mission duration | Planned: 15+ years Elapsed: 7 years, 2 months, 11 days |
Spacecraft properties | |
Bus | SSL 1300 |
Manufacturer | Space Systems Loral |
Launch mass | 6,871 kilograms (15,148 lb) |
Start of mission | |
Launch date | 8 June 2017, 03:45 (2017-06-08UTC03:45Z) UTC |
Rocket | ILS Proton Breeze M |
Launch site | Baikonur Cosmodrome |
Contractor | International Launch Services |
Orbital parameters | |
Reference system | Geocentric |
Regime | Geostationary |
Longitude | 10.25° East |
Perigee altitude | 35,784.4 kilometers (22,235.4 mi) |
Apogee altitude | 35,801.8 kilometers (22,246.2 mi) |
Inclination | 6.8 degrees |
Period | 23.93 hours |
Epoch | 22 July 2018, 15:03 UTC[1] |
Transponders | |
Band | S-band |
Coverage area | Europe |
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
- ^ "EchoStar XX1 Satellite details 2017-032A NORAD 42749". N2YO. 22 July 2018. Retrieved 22 July 2018.
- ^ "Echostar 21". 8 June 2017. Retrieved 2018-07-22.
- ^ "EchoStar XXI Satellite Successfully Launched". EchoStar Corporation. 2017-06-08. Retrieved 2018-07-22.
- ^ "Video: Proton rocket returns to service with launch of EchoStar 21". Retrieved 2018-07-22.
- ^ "TerreStar-2 in Final Payload Integration". 26 April 2010. Retrieved 2018-07-22.
External links
- Echostar Corporation
- Launch video at Spaceflight Now
- NASA Spaceflight thread for EchoStar XXI Launch
- YouTube video (Russian language) of the rocket rolling to the pad
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