Thor 1 |
Norway |
Spacecraft n°: |
Norwegian spacecraft n°: 1 |
| Old name | BSB 2 |
| Mission | Direct TV |
| Geostationary orbit: | |
| Begin | End | Position |
| L: 18 Aug 1990 | Sep 1992 | see BSB 2 |
| Sep 1992 | Oct 2002 | 0.8°W |
| Nov 2002 | Dec 2002 | 7.3°W |
| Out of service | Dec 2002 |
| Cause | sent to junk orbit |
| 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 |