Colorado Space Grant DINO Deployment and Intelligent Nanosat

Colorado Space Grant: DINO Deployment and Intelligent Nanosat Operations University of Colorado at Boulder University Nanosat III Tethers Unlimited, Inc.

Colorado Space Grant: DINO 6/8/2021 Colorado Space Grant Consortium • The purpose of CSGC is to provide real-world experience for undergraduate and graduate students working to become engineers and scientists. • This is a nation wide NASA funded program to educate the future workforce. • Since 1989 CSGC has flown 3 sounding rockets, 3 shuttle payloads, delivered 1 satellite to the Air Force Research Laboratory, and is currently working on 2 satellite missions. • http: //spacegrant. colorado. edu Colorado Space Grant Consortium 2

Colorado Space Grant: DINO 6/8/2021 Nanosat III • Sponsored by AFRL, GSFC, AFSOR, and AIAA • Competition between 13 Universities for a launch on a shuttle in 2006 • An EDU unit is due in January 2005 for judging • Each school has a budget of $100 k for two years • Selection criteria – Student Participation (45 pts) – Technical Relevance (35 pts) – Flyability (20 pts) Colorado Space Grant Consortium 3

Colorado Space Grant: DINO 6/8/2021 DINO The purpose of the student-led Deployment and Intelligent Nanosatellite Operations (DINO) mission is to determine cloud heights from space, evaluate the performance of intelligent operations, and assess deployment technologies for nanosatellites including a tether, memory composite hinges, and thin-film solar arrays. Colorado Space Grant Consortium 4

Colorado Space Grant: DINO 6/8/2021 Objectives • Science and Education – Stereoscopic imaging to determine cloud heights – Student leadership and training – Active involvement of K-12 Students • Deployment demonstrations – Thin-film solar array deployment – Gravity-gradient tether deployment – A simple deployment using memory composite hinges • Intelligence – Onboard evaluation of science and engineering data – Autonomous response and rescheduling to optimize ops Colorado Space Grant Consortium 5

Colorado Space Grant: DINO 6/8/2021 Overall Mission Timeline ICU Deployment Mission Activation Launch DINO Deployment Detumble Tether Deployment FITS Deployment Aerofin Deployment Normal Science Operations Colorado Space Grant Consortium 6

Colorado Space Grant: DINO 6/8/2021 Deployment Method • Open-Loop Deployment – Lightband will provide kickoff velocity of 2 ft/s Brake • Deployment will take approximately 40 sec Tether – Tether will be “left-behind” by tip mass – Braking system will slow tip-mass near end of travel – Simple compared to a complex motor system Main Satellite Tip Mass Wheel (turning) Tether Guides Velocity Lightband Brake shoe (fixed) Braking System Tether Z-fold Colorado Space Grant Consortium 7

Colorado Space Grant: DINO 6/8/2021 Donated Material Tether Material • Tether – Low-density polyethylene tape • Along its length are three strands of 0. 003 inch thick Spectra® 1000 – 0. 005 inch by 1 inch cross-section – Heritage • Flown on Advanced Tether Experiment (ATEx) mission • Lightband – – – 15 inch motorized separation system Delta V = 2 ft/s m ≈ 6. 5 lbm Tip-off rate < 1º/s Flight proven Colorado Space Grant Consortium 8

Colorado Space Grant: DINO 6/8/2021 Industry Support We would like to thank the following companies who have donated hardware and mentorship to Colorado Space Grant Students working on the DINO program at the University of Colorado at Boulder. Without their support, DINO would never leave the ground. PLANETARY SYSTEMS CORPORATION Colorado Space Grant Consortium 9

Colorado Space Grant: DINO 6/8/2021 Contact Information http: //spacegrant. colorado. edu/dino Anthony Lowrey MAGIC Tether Lead Engineer lowrey@colorado. edu 303 -492 -1243 Jen Michels Project Manager michels@colorado. edu 303 -492 -1243 Elaine Hansen Director elaine. hansen@colorado. edu 303 -492 -3141 Colorado Space Grant Consortium 10