...
- Optical Terminal
- Primary Aperture/Telescope
- Fine Steering Mirror
- Coarse Pointing mechanism
- Beacon System
- Classical Beacon Laser
- Photodiode or Position-Sensitive Detector
- Dedicated Star Tracker
ADCS Sensors
- Required ADCS Sensors
- Star Trackers
- Sun Sensors
- Magnetometer
- IMU
- GPS Receiver
- Required Actuators
- Reaction Wheels
- Magnetorquers
Detector Instrumentation
- Single-Photon Detectors
- Si-APDs
- SNSPDs
- Filtering and Optics
- Narrow Board Optical Filters
- Polarization Analyzers
- Half-Wave Plates or Polarization Beam Splitters
- Fiber Coupling Optics
Timing and Synchronization Instrumentation
- Onboard Timing Components
- Chip-Scale Atomic Clock
- High-Precision Time-Tagging Electronics
- GPS Disciplined Oscillator
- Classical Communication Systems
- S-Band or X-Band Transmitter
- UHF/VHF
Thermal Monitoring and Control Sensors
- High-Accuracy Thermistors
- Temperature Sensors on Laser and Crystal
- Radiators + Heaters
Spacecraft Bus Sensors
- Voltage/Current Sensors
- Battery Temperature and Pressure Sensors
- Solar Panel Telemetry Sensors
- Internal Environmental Sensors
Ground Segment Instrumentation
...
| Feature | 6U Cubesat |
|---|---|
| Payload Volume | 1U (quantum source parts) |
| Mass Budget | SPEQS-2 (entangled photon source) 500 g |
| Power Budget | orbit averaged power 11 W assuming 80% sun-tracking efficiency |
| Instrument Performance | --- |
| Data downlink | X-band CubeSat transmitters provide up to 100 Mb/s data rate |
...