QB50 System Requirements Document

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Figure 1: CubeSats lateral (green), front (yellow) and back (blue) extended volumes.QB50-SYS-1.1.2.In launch configuration the CubeSat shall fit entirely within theextended volume dimensions shown in Figure 2 for a 2U CubeSator Figure 3 for a 3U CubeSat, including any protrusions.Figure 2: 2U CubeSat extended volume dimensions in millimetres.Issue 3 8 5 February 2013
Figure 3: 3U CubeSat extended volume dimensions in millimetres.QB50-SYS-1.1.3. The CubeSat mass shall be no greater than that shown in Table 2 .Table 2: CubeSat masses admitted by the StackPack for QB50.CubeSat Size2U CubeSat3U CubeSatMaximum Mass2.0 kg3.0 kgQB50-SYS-1.1.4.The CubeSat centre of gravity shall be located within a sphere of20 mm diameter, centred on the CubeSat geometric centre.This is required in order to control misalignments of the StackPack centre of gravity position onthe launch vehicle.QB50-SYS-1.1.5.Total Mass Loss (TML) shall be < 1.0% and Collected VolatileCondensable Material (CVCM) shall be < 0.1% [R02].QB50-SYS-1.1.6.The CubeSat rails and standoffs, which contact the deployer rails,pusher plate, door, and/or adjacent CubeSat standoffs, shall beconstructed of a material that cannot cold-weld to any adjacentmaterials.Issue 3 9 5 February 2013
Page 1 and 2: QB50System Requirementsand Recommen
Page 4: Science Payload Interface Control D
Page 7: 1. CubeSat System Requirements1.1 S
Page 12 and 13: possibility of using other team’s
Page 14 and 15: QB50-SYS-1.5.11. Every science pack
Page 16 and 17: 3. Display which ground station is
Page 18 and 19: 2.3 Spacecraft ContaminationQB50-SY
Page 22: 4.1 MechanicalAs shown in Figure 5,
Page 25 and 26: Attachment A: INMS Interface Contro
Page 27 and 28: CHANGE RECORDIssue Date Sections ch
Page 29 and 30: 5.9.4 OBC_SU_ON (0xFB) ............
Page 31 and 32: 2 Normative and Informative documen
Page 33 and 34: CUBESAT side connector to attach to
Page 35 and 36: 4.1.1 SWITCHED Power PinsThe +5, +3
Page 37 and 38: 4.4 Power BudgetThe power budget is
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Page 41 and 42: 5.4 Command Packet Structure to Sci
Page 43 and 44: 5.7 SU State Transition DiagramThe
Page 45 and 46: 5.9.2 Script TIME Field - @tTime-ta
Page 47 and 48: 5.9.9 SU_STIM (0x04)This command wi
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Page 51 and 52: 5.9.14 SU_HK (0x09)The HOUSE_KEEPIN
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Page 55 and 56: 7 Attitude ControlThe CubeSat shall
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FIPEX on QB50 Date: 06.02.2013--- D
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Attachment C: m-NLP Interface Contr
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TITLE: QB50 m-NLP Science Unit Inte
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QB50 System Requirements Document

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