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Mission Design for the CubeSat OUFTI-1

Mission Design for the CubeSat OUFTI-1

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CONTENTS1 Introduction 132 The LEODIUM Project 153 The Flight Opportunity 174 The <strong>CubeSat</strong> <strong>OUFTI</strong>-1 194.1 The <strong>CubeSat</strong> concept . . . . . . . . . . . . . . . . . . . . . . . . 204.1.1 Amateur Radio and D-STAR system . . . . . . . . . . . 225 <strong>Mission</strong> Analysis 255.1 The Vega Launcher . . . . . . . . . . . . . . . . . . . . . . . . . 265.1.1 Typical <strong>Mission</strong> Profile . . . . . . . . . . . . . . . . . . . 275.1.2 Per<strong>for</strong>mances . . . . . . . . . . . . . . . . . . . . . . . . 285.1.3 Launch Campaign . . . . . . . . . . . . . . . . . . . . . 285.1.4 The Vega Maiden Flight . . . . . . . . . . . . . . . . . . 325.2 The orbit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335.2.1 Orbital mechanics . . . . . . . . . . . . . . . . . . . . . . 335.2.2 The orbit of <strong>OUFTI</strong>-1 . . . . . . . . . . . . . . . . . . . 375.3 Orbit perturbations . . . . . . . . . . . . . . . . . . . . . . . . . 405.3.1 The earth’s oblateness . . . . . . . . . . . . . . . . . . . 405.3.2 The atmospheric drag . . . . . . . . . . . . . . . . . . . 415.3.3 The solar radiation pressure . . . . . . . . . . . . . . . . 435.3.4 Orbital parameters variation . . . . . . . . . . . . . . . . 445.4 The launch window . . . . . . . . . . . . . . . . . . . . . . . . . 505.5 Earth coverage . . . . . . . . . . . . . . . . . . . . . . . . . . . 505.6 Communication time . . . . . . . . . . . . . . . . . . . . . . . . 525.7 The radiation environment . . . . . . . . . . . . . . . . . . . . . 546 Structure and deployment 576.1 Pumpkin structure . . . . . . . . . . . . . . . . . . . . . . . . . 586.2 ISIS structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 596.3 Deployment System . . . . . . . . . . . . . . . . . . . . . . . . . 617

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