Civil Engineering Reference
In-Depth Information
Table 2.3 Small Sat initial equipment list
Subsystem and component
Quantity
Size (mm)
Total Mass (Kg)
Payload
Multi-band earth imager
1
D 450 9 1100
45
Payload CDH unit
1
230 9 220 9 160
7.2
MEI signal processing unit
2
300 9 200 9 120
3.7 each
ADCS
Star sensor
1
375 9 215 9 184
4
Angular velocity meter ''Gyro''
4
D 150 9 47
1 each
Interface unit for each gyro
4
101 9 81 9 56
0.92 each
Magnetometer
1
150 9 90 9 90
1.5
Magnetorquer
3
D 22 9 170
0.38 each
Reaction wheel
4
195 9 195 9 89
3.3 each
Communications subsystem
X-band equipment
X-band electronic module
1
380 9 315 9 60
3.8
X-band antenna
1
D 243 9 120
1.6
S-band equipment
S-band electronic module
2
380 9 315 9 30
2.2 each
S-band conical antennae
2
D 100 9 112
0.27 each
S-band dipole antenna
1
D 100 9 44
0.13
GPS receiver
GPS electronic module
1
380 9 315 9 30
1.1
GPS antenna
2
D 70 9 55
0.15 each
Platform CDHS
On-board digital computing complex
3
380 9 315 9 38
3.7 each
Telemetry module
1
210 9 155 9 95
2.8
Power subsystem
Battery cell module
1
430 9 280 9 130
16.5
Power-conditioning unit (PCU)
1
380 9 315 9 65
3.6
Cells leveling unit (CLU)
1
380 9 315 9 40
1.9
3.2 m
2
Solar array panels
4
total area
6.8
Cabling
set
-
1.5
Thermal subsystem
Heat shields
-
TBD
3.6
Insulation, coatings, and sensors
set
-
1.5
Structure and mechanism subsystem
Satellite structural modules
-
TBD
41
Rotation mechanism
4
TBD
1.7
Locking and releasing mechanism
4
TBD
0.5
Separation transducer
2
TBD
0.1
Satellite total mass
205
Launch vehicle adapter
1
TBD
20
Total mass (including LV adapter)
225
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