Highest Performing Satellites in the Optus Satellite Fleet
Launched successfully on the 14th Oct 2006 from French Guiana, the Optus D1 satellite was the 8th satellite construction and launch programme conducted by Optus. The Optus D1 satellite reinforces our position as the leading provider of satellite services in Australasia.
Optus D1 provides Ku FSS-band coverage for Australia and New Zealand for fixed communications in VSAT services, digital TV services in Australia and direct-to-home broadcast services in New Zealand.
Optus D1 is the first spacecraft to fully ultilise the design capacity of the STAR-2 bus and is also the first STAR-2 bus to use Lithium Ion batteries.
Optus D1 will replaced Optus B1 and will also provide capacity for growth to meet business demands and increase the resilience of the Optus satellite network for mission critical applications.
Advanced Features
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Highest power Ku band amplifiers (150W) used on an Optus satellite
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Frequency reuse between Australia and New Zealand permitting better use of the available spectrum
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Dual surface shaped reflectors employed to produce the complex beam shapes required
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Lithium Ion batteries for higher efficiency and longer life
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High efficiency Gallium Arsenide solar cells for increased power generation
Optus D1 Satellite - Technical Data
| Satellite | |
| Satellite Type: | Orbital Sciences STAR-2 |
| Launch Mass: | 2,300 kg |
| Mass in Orbit: | 1,006 kg |
| Stablization: | 3-Axis |
| Dimensions: | 3.9 metres height; 17 meters solar array deployed |
| Transponders | |
| Operating Band: | Ku FSS |
| Uplink Frequencies (GHz): | 14.0 - 14.5 |
| Downlink Frequencies (GHz): | 12.25 - 12.75 |
| Number of Transponders: | Ku-Band: 16 @ 150W, 8 @ 44W |
| Bandwidth: | 54 MHz |
| Polarization: | Linear |
| Performance | |
| EIRP: | Australia: 44-52 dBW New Zealand: 51-57 dBW Australia/New Zealand combined: 43-55 dBW |
| G/T: | Australia: 0 to 5 dB/K New Zealand: 1 to 10 dB/K Australia/New Zealand combined:-2 to 5dB/K |
| SFD: | -78 to -98 dBW/m2 |
| Solar Array Power: | 4800 Watts |
| Telemetry: | Ku-Band |
| Command: | Ku-Band |
| Related Documents |
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| D Series Satellite Payload Information (pdf) 7.15 MB |
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