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SAST-5000
Based on the modular design concept, SAST5000 adopts separated module design, and consists of a service module and a payload module. The main structure configuration of the platform combines central cylinder, truss and aluminum honey-comb panel for accommodating various large payloads, like optical remote sensing and microwave detection instruments, characterized by low center of mass, large earth-oriented area, small dynamic response, and good adaptability. the platform is versatile, flexible, expandable, and suitable for carrying large scale integrated payloads.
SAST5000 is a new generation of common satellite bus for GEO remote sensing satellites and also available for HEO satellites and MEO satellites.
Main specifications of SAST5000
|
Item |
Capability |
|
Dry Mass |
1200kg~1500kg |
|
Dimensions |
Φ 3400mm×2205 mm |
|
Payload Mass |
500kg~1500kg |
|
Payload Power Consumption |
12000W~20000W |
|
Attitude Control |
Three-axis stabilization |
|
Attitude Pointing Accuracy |
Pitch: ≤0.01° (3σ) |
|
Station Keeping Accuracy |
Longitude: ±0.5°(3σ) |
|
Attitude Stability |
≤0.0005°/s (3σ) |
|
Propellent |
MMH/MON-1 |
|
Propellent Mass |
2300kg~3500kg |
|
Solar Array |
Fixed/uni-axial drive/bi-axial drive |
|
Bus Voltage |
42V |
|
Battery |
Ni-H/ Li-ion |
|
TT&C |
USB/S-sretched spectrum |
|
Data Interface |
1553B + Space Wire |
|
Design Lifetime |
8 years (for optical payloads) |
|
Mechanical Interface |
Φ 1666mm |
