Optus Satellite D2

Optus D2 Satellite

Optus D2 was launched in October 2007 and will replace Optus B3 at 152°E to provide fixed and broadcasting communcations services. Optus D2 will provide ongoing capacity for ethnic broadcast services and VSAT services plus growth to meet future business demands.

Satellite

Satellite Type: Orbital Sciences STAR-2
Launch Mass: 2,460 kg
Mass in Orbit: 1,160 kg
Stablisation: 3-Axis
Dimensions: 4 metres high x 21.4 metres with solar arrays deployed

Transponders

Operating Band: Ku FSS
Uplink Frequencies: Ku FSS: 14.0 - 14.5 GHz
Downlink Frequencies: Ku FSS: 12.25 - 12.75 GHz
Number of Transponders: Ku-Band: 16 @ 125 W, 8 @ 44 W FSS (New Zealand only)
Bandwidth: 54 MHz Ku Band
Polarisation: Linear

Performance

EIRP: Australia: 44 to 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 5 dB/K
SFD: -78 to -98 dBW/m2
Solar Array Power: 6,440 Watts
Telemetry: Ku-Band
Command: Ku-Band