Table 6 Detailed mass budget of the MAQRO payload
Items & units | CBE mass (kg) | Maturity margin | CBE + margin |
|---|---|---|---|
Accelerometer sensor units | 4 | 5% | 4.20 |
Accelerometer control units | 12 | 5% | 12.60 |
Power control unit | 3 | 5% | 3.15 |
Heat shield (incl. struts, inserts and launch locks, protective cover and margin) | 10 | 50% | 15.00 |
Shield baking: heater + power unit (optional) | (+5) | 50% | (+7.50) |
Optical bench | 6 | 30% | 7.80 |
CMOS readout electronics | 2 | 100% | 6.00 |
IR spatial mode generation and filtering | 3 | 100% | 6.00 |
Buffer-gas chambers + gas + loading | 20 | 100% | 40.00 |
Laser assembly (IR) | 12 | 10% | 13.20 |
Laser assembly (UV) | 6 | 100% | 12.00 |
Phase-meter | 4 | 25% | 5.00 |
Payload processor (data-management unit (DMU)) | 8 | 10% | 8.80 |
Diagnostic elements (sensors, …) | 10 | 50% | 15.00 |
Assembly & interface equipment | 7 | 20% | 8.40 |
Harness | 13 | 20% | 15.60 |
Total: | 100 (+5) | 30% avg. | 131 (+8) |