The highly reliable optical payload, for capturing high-resolution images from the ground surface and atmospheric phenomena. The s.LDU.345 has been designed to be implementable in a standard 6U CubeSat structure together with other subsystems to allow low – cost Earth observaton.
| Optical Configurations | Value | Unit |
|---|---|---|
| GSD 1 | Height/115000 | m |
| Swath Width 2 | 2400×GSD | m |
| Swath Length 2 | 2000×GSD | m |
| Spectral Bands (panchromatic) | 400-800 | nm |
| Spectral Bands (Bayer RGB) | 400-520,500-600,570-750 | nm |
| Spectral Bands (Mosaic Multispectral) | 300-450,450-600,600-750,750-1000 | nm |
| Aperture Size | 60 | mm |
| FOV | ±2.1 | degree |
| MTF 3 | >0.10 | – |
| MTF Temerature Range | 35±5 | °C |
| MTF Platiorm Stability | 4 | degree/s |
| Distortion | <0.1 | % |
| Electrical & Functional Configurations | Value | Unit |
|---|---|---|
| Connector | Nano-D 31P | – |
| Input Voltage | 12-18 | V |
| Power Consumption 4 | 10> | W |
| Memory | 16 (non-volatile) | GB |
| Bit Depth | 10 | Bit |
| SNR 5 | > 100 | – |
| Data Interface | LVDS+RS422 | – |
| Command And Telemetry Interface 6 | Standard CANv2.0A @500 | Kbps |
| Data Transmission Interface 7 | UART RS485 @6.25 | Mbps |
| Frame Rate | 1 | FPS |
| Image Formats 8 | RAW + JPEG | – |
| Image Compression 8 | JPEG (10%-100% Quality) | – |
| Attach Upcoming Metadata | 200 | Byte |
| Adjustable Parameters | Integration Time , Frame Rate , Gain, Black Level | – |
| Operational Modes | Safe, Real-Time , Playback | – |
| Mechanical & Environmental Configurations | Value | Unit |
|---|---|---|
| Mass | 2000 | gr |
| Dimensions | 200 ×100× 100 | mm |
| Vibration Resistance Frequency | 20-2000 | Hz |
| Vibration Resistance Amplitude | >15 | Grms |
| Shock in XYZ Frequency | 100-10000 | Hz |
| Shock inXYZ Amplitude | >2000 | G |
| EMC/EMI | Military Grade for Space and Avionics Equipment | – |
| Radiation Resistance | Multilayer Coated (> 100 TD ) | krad |
| Thermal Management | Smart Passive and Active Control with Internal MLI | _ |
| Operation Temperature | -10 to +50 | °C |
| Operation Pressure | < 10 | torr |
| Vacuum Outgassing | < 10 | torr.I/s/cm |
| Lifetime on Orbit | > 2 | years |
1- Virtual for RGB model
2 -1/4 for multispectral model
3 – At Nyquist frequency & aberration free
4 – Measured at 12V & 14W peak
5 – Sun angle 30° and reflectivity 0.1
6 – Space packet protocol CCSDS
7 – ZMODEM protol
8 – RAW~5MB/JPEG (100%)~1MB
