Orion 3 |
USA |
| Designation | 25727 / 99024A |
| Launch date | 05 May 1999 |
| Launch site | CC, LC-17B |
| Launch vehicle | Delta-8930 (#D269) |
| Operator | Orion Asia Pacific Corp. |
| Mission | Telecommunications |
| Geostationary orbit: | |
| Location | (139°E) |
| Prime contractor | Hughes |
| Platform | HS-601HP |
| Mass at launch | 4159 kg |
| Dry mass | 1935 kg |
| Dimension | stowed: 2.7 x 3.6 x 5.9 m |
| Solar array | 26 m span (dual-junction gallium arsenide cells) |
| Stabilization | 3-axis |
| DC power |
BOL:
10000 W EOL: 7800 W |
| Design lifetime | 15 years |
| Out of service | 5 May 1999? |
| Cause | Launch failed, delivered in 162 x 1378 km x 29.5°. Orbit was raised to 420 x 1280 km. A moon flyby (see Asiasat 3) is probable to try and salvage the satellite. |
| Main transponders | 10 |
| Backup transponders | 4 |
| Power | 55 W |
| Bandwidth | 36 MHz |
| Coverage | Asean and Hawaii |
| EIRP max | 37 dBW |
| G/T max | -1 dB/K |
| Polarization | linear H/V |
| Frequencies |
Uplink:
6.425 - 6.725 GHz Downlink: 3.4 - 3.7 GHz |
|
Horizontal Uplink |
Horizontal Downlink | Transponder |
Vertical Downlink |
Vertical Uplink |
| 6.445 | 1A | 3.420 | ||
| 3.420 | 1B | 6.435 | ||
| 6.485 | 2A | 3.460 | ||
| 3.460 | 2B | 6.485 | ||
| 6.525 | 3A | 3.500 | ||
| 3.500 | 3B | 6.525 | ||
| 6.565 | 4A | 3.540 | ||
| 3.540 | 4B | 6.565 | ||
| 6.605 | 5A | 3.580 | ||
| 3.580 | 5B | 6.605 |
| Main transponders | 25 |
| Backup transponders | 13 |
| Power |
8
x 50 W 8 x 80 W 17 x 140 W |
| Bandwidth |
23
x 54 MHz 2 x 27 MHz |
| Coverage & EIRP max |
NE
Asia: 54 dBW, 8 transponders (horizontal) SE Asia: 51 dBW, 6 transponders (vertical, up to 9 when Oceana transponders are switched on this beam) India: 54 dBW, 8 transponders (horizontal) Oceana: 45 dBW, 3 transponders (vertical) |
| G/T max | 2 dB/K |
| Polarization | linear H/V |
| Frequencies |
Uplink:
14 - 14.5 GHz Downlink: 12.25 - 12.75 GHz |
| Main transponders | 8 |
| Backup transponders | 3 |
| Power | 50 W |
| Bandwidth | 36 MHz |
| Coverage & EIRP max | |
| G/T max | 2 dB/K |
| Polarization | linear H/V |
| Frequencies |
Uplink:
13.75 - 14.0 GHz Downlink: 11.45 - 11.7 GHz |