BSB 2 |
United Kingdom |
Spacecraft nº: |
UK spacecraft nº: 22 |
| Designation | 20762 / 90074A |
| Launch date | 18 Aug 1990 |
| Launch site | CC, LC-17B |
| Launch vehicle | Delta-6925 (#198) |
| Mission | Direct TV |
| Geostationary orbit on: | |
| Perigee / Apogee | km |
| Eccentricity | |
| Inclination | deg |
| Period | min |
| Begin | End | Position |
| L: 18 Aug 1990 | ||
| Aug 1992 | 31°W | |
| Sep 1992 | ... | Thor 1 |
| Prime contractor | Hughes |
| Platform | HS-376 |
| Mass at launch | 1250 kg |
| Mass in orbit | 660 kg |
| Payload mass | 100 kg: transponders: 90 kg, antennas: 10 kg |
| Diameter | 2.16 m |
| Height | 2.7 m (7.2 m deployed) |
| Stabilization | Spin stabilized |
| DC power | BOL: 1024 W |
| Design lifetime | 10 years |
| Beacon | 12.494 or 12.495 GHz |
| Main transponders | 5 |
| Backup transponders | 1 |
| Power | 2 x 55 W (TWTA) |
| Bandwidth | 27 MHz |
| Coverage | |
| EIRP max | 59 dBW |
| Polarization | circular R |
| Frequencies | Uplink:17.3-17.6 GHz Downlink: 11.786-12.091 GHz |
| Ref.: #15 - update: 12.11.08 | Home |