EchoStar 21
| EchoStar 21 | |
|---|---|
| Start date | June 8, 2017, 3:45 UTC |
| Launcher | proton |
| Launch site | Baikonur |
| COSPAR-ID : | 2017-032A |
| Takeoff mass | 6900 kg |
| Manufacturer | Space Systems / Loral |
| Satellite bus | SSL 1300 |
| lifespan | 15 years |
| Stabilization | Three-axis stabilization |
| operator | EchoStar |
| Playback information | |
| Transponder | Ka-band and S-band transponders |
| Others | |
| Electrical power | unknown |
| position | |
| First position | 10.25 ° East |
| List of geostationary satellites | |
EchoStar 21 (EchoStar XXI, TerreStar 2) is a commercial communications satellite of the US company EchoStar .
He was born on June 8, 2017 at 3:45 UTC with a Proton / Briz-M - carrier rocket from the rocket launch site Baikonur into a geostationary brought orbit.
The three-axis stabilized satellite is equipped with a 2-GHz S-band - transponder equipped and a large reflector and is intended to supply the position 10.25 degrees East Europe with mobile communications. It was built on the basis of the SSL 1300 satellite bus from Space Systems Loral and has a planned service life of 15 years. The satellite uses the ETSI-GMR-1-3G standard for air interfaces to enable mobile wireless devices to communicate over the satellite in the S-band. Communication with the satellite takes place in the Ka-band.
Web links
- Space Systems Loral: manufacturer website
- EchoStar: Operator website
Individual evidence
- ↑ a b International Launch Services: Commercial Rocket Launch | EchoStar XXI | Proton Rocket | Mission Control | International Launch Services , accessed June 22, 2017.
- ↑ a b NASASpaceFlight.com: ILS Proton-M makes long-awaited return with EchoStar XXI | NASASpaceFlight.com , accessed June 22, 2017.
- ↑ INFODIGITAL: ILS Proton successfully sends EchoStar XXI satellite into space , accessed on June 22, 2017.
- ↑ Spaceflight 101: EchoStar 21 - Proton - EchoStar 21 | Spaceflight101 , accessed June 22, 2017.