Table 5.
Mass budget for a single spacecraft including the relevant margins.
| Subsystem | Mass [kg] | Margin | Mass total [kg] |
|---|---|---|---|
| Power | 43.00 | 2.75 | 45.75 |
| Payload | 31.00 | 2.96 | 33.96 |
| Communications | 28.20 | 5.22 | 33.42 |
| Onboard data handling/avionics | 15.00 | 0.75 | 15.75 |
| AOCS | 92.86 | 2.45 | 95.31 |
| Thermal control | 24.00 | 1.40 | 35.20 |
| Additional shielding | 42.67 | 0.00 | 42.67 |
| Chemical propulsion system (dry mass) | 37.60 | 3.63 | 41.23 |
| Harness (5%) | 15.72 | 0.00 | 15.72 |
| Structure (20% of dry mass) | 66.01 | 0.00 | 66.01 |
| TOTAL (dry, without system margin) | 396.05 | 22.18 | 418.23 |
| System margin (20%) | 79.21 | ||
| TOTAL (dry, with margin) | 497.44 | ||
| Propellant | 306.2 | ||
| TOTAL (wet mass) | 803.64 |
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