Horizons 2
| Horizons 2 | |
|---|---|
| Start date | December 21, 2007, 21:42 UTC |
| Launcher | Ariane 5 GS |
| Launch site | Center Spatial Guyanais , ELA-3 |
| COSPAR-ID : | 2007-063B |
| Takeoff mass | 2350 kg |
| Manufacturer | Orbital Sciences Corporation |
| Satellite bus | STAR-2 |
| lifespan | 15 years |
| Stabilization | triaxial |
| operator | Intelsat |
| Playback information | |
| Transponder | 16 Ku-band + 6 backup |
| Others | |
| Electrical power | 7.5 kW |
| Power storage | 2 Li-Ion batteries with a capacity of 3.8 kWh each |
| position | |
| First position | 74 ° west |
| Actual position | 74 ° west |
| List of geostationary satellites | |
Horizons 2 is a three-axis stabilized, geostationary communications satellite that was built on the basis of the STAR bus by a joint venture between Intelsat and JSAT Corporation (Japan) . It is the successor to Horizons 1 .
history
Horizons 1 was on 21 December 2007 along with RASCOM-QAF 1 by an Ariane-5 - rocket into space and is 74 ° West will be stationed at the position. Its purpose is to help cover the communication needs (broadcast, HDTV , IP traffic) for the USA and parts of the Caribbean and Canada . For this purpose, it is equipped with transponders in the Ku band , which are equipped with 16 redundant 22-for-16 and four 6-for-4 TWTAs . Two 2.3 meter antennas are used to transmit the signals.
Web links
- http://www.orbital.com/SatellitesSpace/Communications/Horizons2/
- Horizons 2 on Gunter’s Space Page
- Horizons-2 Fact Sheet (Orbital) (PDF file; 1.23 MB)