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Satellite Platform
Based on mature technology and high reliability, SAST has developed many advantaged satellite platform for customers. These platforms has advantages of high control accuracy, orbit maneuverability, good payload adaptability of remote sensing, data collection, telecommunication and science tests, these platforms can be used for LEO, MEO, and HEO missions.
Main Specification of SAST Platforms
|
|
SAST-100 |
SAST-1000 |
SAST-3000 |
SAST-5000 |
|
Dry Mass |
135kg~230kg |
300kg~800kg |
1000kg~1500kg |
1200kg~1500kg |
|
Dimensions |
Φ1200mm×2000 mm(expandable) |
Φ1500mm×1500 mm×1200 mm |
2000mm×2000 mm×1495 mm |
Φ 3400mm×2205 mm |
|
Payload Mass |
50kg~220kg |
400kg~700kg |
700kg~1500kg |
500kg~1500kg |
|
Payload Power |
100W~450W |
300W~500W |
12000W~20000W |
12000W~20000W |
|
Attitude Control |
Three axis stabilization |
|
Three-axis stabilization |
Three-axis stabilization （Compensation capability for dynamic payload） |
|
Attitude Pointing Accuracy |
≤0.1° (3σ) |
≤0.05° (3σ) |
≤0.05° (3σ) |
Pitch: ≤0.01° (3σ) Roll: ≤0.01° (3σ) Yaw: ≤0.01° (3σ) |
|
Attitude Stability |
≤0.005°/s (3σ) |
≤0.001°/s (3σ) |
≤0.0005°/s (3σ) |
≤0.0005°/s (3σ) |
|
Maneuverability |
Roll, Pitch, Yaw |
Roll, Pitch |
Roll, Pitch: ±40° Yaw: ±180° |
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|
Propellent Mass |
2kg~40kg |
50kg~200kg |
Monopropellant， 64kg~320kg |
MMH/MON-1，2300kg~3500kg |
|
Solar Array |
Fixed/uni-axial drive/bi-axial drive sun-pointing Triple-junction GaAs or Si |
Fixed/uni-axial drive/bi-axial drive sun-pointing Triple-junction GaAs or Si |
Fixed/uni-axial drive/bi-axial drive sun-pointing Triple-junction GaAs or Si |
Fixed/uni-axial drive/bi-axial drive sun-pointing Triple-junction GaAs or Si |
|
Bus Voltage |
28V, 42V |
28V |
28V |
42V |
|
Battery |
Lithium, 30Ah |
Ni-Cd/Ni-H/Li-ion |
Ni-Cd/ Li-ion |
Ni-H/ Li-ion |
|
TT&C |
S-band |
USB/S-spread spectrum |
USB/S-sretched spectrum |
USB/S-sretched spectrum |
|
Data Interface |
1553B |
1553B/CAN |
1553B |
1553B + Space Wire |
|
Design Lifetime |
5 years |
5 years |
5 years |
8 years (for optical payloads) 15 years (for other payloads) |
|
Mechanical Interface |
Φ 660mm |
Φ 937mm |
Φ 1194mm |
Φ 1666mm |