DINO CDR Systems Analysis Deployment and Intelligent Nanosatellite

DINO CDR – Systems Analysis Deployment and Intelligent Nanosatellite Operations (DINO) University of Colorado March 13, 2003

DINO CDR – Systems 12/3/2020 Table of Contents • • • DINO Overview Mission Timeline (Animation) System Overview Subsystem Overview DINO’s Configuration – Box Placement • Mass Budget • Power Budget • Data Budget Colorado Space Grant Consortium 2

DINO CDR – Systems 12/3/2020 DINO Overview • Placed on-orbit from Internal Cargo Unit aboard Space Shuttle – 30 kg maximum mass – ICU cylinder 47 cm high, 47 cm in diameter – Space Shuttle Regulations • LEO, International Space Station orbit (51. 6º, ~400 km altitude) • Mission duration between 6 and 12 months • 55 minute sun-side, 35 minute eclipse Colorado Space Grant Consortium DINO, Boom, FITS, and Aerofin deployed 3

DINO CDR – Systems 12/3/2020 Mission Animation Colorado Space Grant Consortium 4

DINO CDR – Systems 12/3/2020 Overall Mission Timeline ICU Deployment Mission Activation Antenna Deployment Launch DINO Deployment Detumble Boom Deployment FITS Deployment Aerofin Deployment Normal Science Operations Colorado Space Grant Consortium 5

DINO CDR – Systems 12/3/2020 System Overview • DINO’s Subsystems: • ADCS • C&DH • Comm • Mechanisms • Power • Science • Software • Structures • Systems • Thermal • Tip Mass • Mission Ops • All of these are necessary to fulfill all of DINO’s objectives Colorado Space Grant Consortium 6

DINO CDR – Systems 12/3/2020 DINO’s Subsystems • Magnetic Design ADCS – 2 Magnetometers measure Earth’s magnetic field – 3 Torque rods control DINO’s attitude – Rate Gyros • Flight Computer – Arcom Viper C&DH • Interface Boards – Analog I/O Colorado Space Grant Consortium 7

DINO CDR – Systems 12/3/2020 DINO’s Subsystems • HAM Radio Communication Comm – 2 Kenwood Radios – External TNC for 9600 baud communication – Frequencies • Uplink 2 m (145 MHz) • Downlink 70 cm (436 MHz) • Restraint / Deployment Systems Mech – – – Lightband (x 2) HOP Frangibolt (x 2) FITS Mechanical Interface Aerofin Mechanical Interface Colorado Space Grant Consortium 8

DINO CDR – Systems 12/3/2020 DINO’s Subsystems • Stereoscopic visual imaging of clouds Science – 2 Cameras – 7. 5° off-nadir each – Topo maps • Modular Design Mission Operations • Automated Planning and CU-Boulder MOCC Scheduling Software • Automated Diagnostic and Recovery Capabilities • VMOCC Design NASA/USAF Centers Remote Ground Stations Ground Images Security Checks Public Data Universities Planning, Scheduling, Commanding and Control Colorado Space Grant Consortium DB On-site team Legend Science / Telemetry Cnd Requests Commands 9

DINO CDR – Systems 12/3/2020 DINO’s Subsystems Power • 5 Solar Panels • 2 Batteries • Power Distribution System – 27 V Deployable line – ± 12 V, 5 V, Ground lines Thermal • Thermal Sensors • MLI Blankets • Radiator Colorado Space Grant Consortium 10

DINO CDR – Systems 12/3/2020 DINO’s Subsystems • DINO’s Chassis Structures – Hexagonal Prism – Aluminum Isogrid • Box Design – Aluminum 6061 Systems • Wiring Harness • Connectors • Integration and Testing Colorado Space Grant Consortium 11

DINO CDR – Systems 12/3/2020 DINO’s Subsystems Tip Mass • 5 kg mass • Jam. Cam takes pictures of DINO’s deployments • Wireless Communication • VMOCC Mission Ops – STK – Internet • Ground Stations – Boulder, others Colorado Space Grant Consortium 12

DINO CDR – Systems 12/3/2020 DINO’s Configuration Colorado Space Grant Consortium 13

DINO CDR – Systems 12/3/2020 Main Satellite Mass Budget Allocation (%) Budget (kg) ADCS 3. 7 0. 83 C&DH 1. 9 0. 43 Comm 2. 3 0. 52 Mechanisms 10. 6 2. 39 Power 12. 7 2. 86 Science 7. 8 1. 76 Solar Panels 21. 0 4. 73 Structures 38. 0 8. 55 Thermal 0. 5 0. 11 Systems 1. 5 0. 34 Total 90% 22. 50 kg Margin 10% 2. 50 kg 100% 25. 00 kg Subsystem Total Colorado Space Grant Consortium 14

DINO CDR – Systems 12/3/2020 Tip-Mass Budget Allocation (%) Budget (kg) Comm 1. 2 0. 05 Mechanisms 72. 0 4. 24 Power 11. 0 0. 50 Science 0. 4 0. 02 Structures 15. 0 0. 68 Thermal 0. 1 0. 005 Systems 0. 3 0. 015 100% 5. 00 kg 0% 0. 00 kg 100% 5. 00 kg Subsystem Total Margin Total Colorado Space Grant Consortium 15

DINO CDR – Systems 12/3/2020 Power Budget Allocation (%) Budget (W -hr) ADCS 12. 5 2. 8 C&DH 30 6. 6 Comm Rx 2. 9 0. 6 Comm Tx 1. 9 0. 4 Power 37. 5 8. 3 Science 13. 3 2. 9 Thermal 2. 0 0. 4 Total 80% 22. 00 W-hr Margin 20% 5. 00 W-hr 100% 27. 50 W-hr Subsystem Total Colorado Space Grant Consortium 16

DINO CDR – Systems 12/3/2020 Power Budget Allocation (%) Budget (W -hr) Comm 60 4. 0 Power 25 1. 5 Imaging 15 1. 0 Thermal 0 0. 0 Total 80% 6. 50 W-hr Margin 20% 1. 62 W-hr 100% 8. 12 W-hr Subsystem Total Colorado Space Grant Consortium 17

DINO CDR – Systems 12/3/2020 Data Budget • Available Bytes – Transmission rate 6800 bits/sec (out of 9600 bits/sec) – Nominal pass of 2 minutes • Available bits = 816, 000 bits = 102 k. B • Transfer Requests – – Health and Status Schedule upload Topo Map download Log File download = = 255 bytes 5 k. B 20+ k. B BIG (50 k. B) Colorado Space Grant Consortium 18

DINO CDR – Systems 12/3/2020 Data Budget Normal Operational Pass Purpose Quantity (bytes) % Health & Status 255 0. 3 Upload Schedule 5 K 4. 9 Topo Map Download 96. 7 K 94. 8 Total 102 K 100% Colorado Space Grant Consortium 19

DINO CDR – Systems 12/3/2020 Data Budget Concerned Operational Pass Purpose Quantity (bytes) % Health & Status 255 0. 3 Log File Download 50 K 49. 0 Upload Schedule 5 K 4. 9 Topo Map Download 46. 7 K 45. 8 Total 102 K 100% Colorado Space Grant Consortium 20

DINO CDR – Systems 12/3/2020 Data Budget Safe Mode Pass Purpose Quantity (bytes) % Health & Status 255 0. 5 Upload Schedule 5 K 9. 0 Log File Download 50 K 90. 5 Topo Map Download 0 0 Total 55. 3 K 100% Colorado Space Grant Consortium 21