Astra 4A
Astra 4A is one of the Astra communications satellites owned and operated by SES at the Astra 5°E orbital slot providing digital television and radio broadcasts, data, and interactive services to Nordic countries, eastern Europe and sub-Saharan Africa in the 11.70 GHz-12.75 GHz range of the Ku band and 18.8 GHz-21.75 GHz range of the Ka band.
| COSPAR ID | 2007-057A |
|---|---|
| SATCAT no. | 32299 |
| Mission duration | 15 years (planned) 16 years, 4 months, 22 days (elapsed) |
| Spacecraft properties | |
| Bus | A2100AX |
| Manufacturer | Lockheed Martin |
| Launch mass | 4,600 kilograms (10,100 lb) |
| Power | 8,100 watts |
| Start of mission | |
| Launch date | 18 November 2007 |
| Rocket | Proton-M/Briz-M |
| Launch site | Baikonur 200/39 |
| Contractor | ILS |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Longitude | 5° East |
| Transponders | |
| Band | 52 Ku band 2 Ka band |
| Bandwidth | 33, 36, 72 megahertz (Ku band) 125, 250 megahertz (Ka band) |
| TWTA power | 49, 116 & 140 watts (Ku band), 118 & 126 watts (Ka band) |
| EIRP | 50 decibel-watts |
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