SBS 6 |
USA |
| Designation | 20872 / 90091A |
| Launch date | 12 Oct 1990 |
| Launch site | Ko, ELA-2 |
| Launch vehicle | Ariane-44L (V39) |
| Mission | Telecommunications |
| Geostationary orbit on: | |
| Perigee / Apogee | km |
| Eccentricity | |
| Inclination | deg |
| Period | min |
| Geostationary orbit on 2009, Feb 23.49: | |
| Perigee / Apogee | 36120 x 36180 km |
| Inclination | 1.49 deg |
| Period | 1454.68 min |
| Prime contractor | Hughes |
| Platform | HS-393 |
| Mass at launch | 2478 kg |
| Mass in orbit | 1500 kg |
| Diameter | 3.66 m |
| Height | 3.4 m (10 m deployed) |
| Stabilization | Spin stabilized (55 rpm) |
| DC power | BOL: 2300 W |
| Design lifetime | 10 years |
| Begin | End | Position | Remarks |
| L: 12 Oct 1990 | 77°W | - | |
| < May 1992 | May 1992 > | 99°W | - |
| < Oct 1993 | 15 Oct 1995 | 95°W | - |
| Nov 1995 | 74°W | - | |
| 27-29 Jan 2008 | 286°E | manoeuvred off-station | |
| 20-21 Feb 2008 | 279°E | relocated | |
| ~18 Feb 2009 | 279°E | manoeuvred off-station, entered retirement orbit |
| Main transponders | 19 |
| Backup transponders | 11 |
| Power | 41 W (TWTA) |
| Bandwidth | 43 MHz |
| Coverage | CONUS, Alaska, Hawaii |
| EIRP max | 50 dBW |
| Polarization | linear H/V |
|
Horizontal
Uplink |
Horizontal Downlink | Transponder |
Vertical
Downlink |
Vertical
Uplink |
| 11.7250 | 1 | 14.0250 | ||
| 14.0495 | 2 | 11.7495 | ||
| 11.7740 | 3 | 14.0740 | ||
| 14.0985 | 4 | 11.7985 | ||
| 11.8230 | 5 | 14.1230 | ||
| 14.1475 | 6 | 11.8475 | ||
| 11.8720 | 7 | 14.1720 | ||
| 14.1965 | 8 | 11.8965 | ||
| 11.9210 | 9 | 14.2210 | ||
| 14.2455 | 10 | 11.9455 | ||
| 11.9700 | 11 | 14.2700 | ||
| 14.2945 | 12 | 11.9945 | ||
| 12.0190 | 13 | 14.3190 | ||
| 14.3435 | 14 | 12.0435 | ||
| 12.0680 | 15 | 14.3680 | ||
| 14.3925 | 16 | 12.0925 | ||
| 12.1170 | 17 | 14.4170 | ||
| 14.4415 | 18 | 12.1415 | ||
| 12.1660 | 19 | 14.4660 |