Project Selene: AIAA Lunar Base Camp AIAA Space Mission System 2019-2020 Virginia Tech Aerospace Engineering Faculty Advisor : Dr. Kevin Shinpaugh Team Members : Olivia Arthur, Bobby Aselford, Michel Becker, Patrick Crandall, Heidi Engebreth, Maedini Jayaprakash, Logan Lark, Nico Ortiz, Matthew Pieczynski, Brendan Ventura Member AIAA Number Member AIAA Number And Signature And Signature Faculty Advisor 25807 Dr. Kevin Shinpaugh Brendan Ventura 1109196 Matthew Pieczynski 936900 Team Lead/Operations Logan Lark 902106 Heidi Engebreth 1109232 Structures & Environment Patrick Crandall 1109193 Olivia Arthur 999589 Power & Thermal Maedini Jayaprakash 1085663 Robert Aselford 1109195 CCDH/Operations Michel Becker 1109194 Nico Ortiz 1109533 Attitude, Trajectory, Orbits and Launch Vehicles Contents 1 Symbols and Acronyms 8 2 Executive Summary 9 3 Preface and Introduction 13 3.1 Project Management . 13 3.2 Problem Definition . 14 3.2.1 Background and Motivation . 14 3.2.2 RFP and Description . 14 3.2.3 Project Scope . 15 3.2.4 Disciplines . 15 3.2.5 Societal Sectors . 15 3.2.6 Assumptions . 16 3.2.7 Relevant Capital and Resources . 16 4 Value System Design 17 4.1 Introduction . 17 4.2 Analytical Hierarchical Process . 17 4.2.1 Longevity . 18 4.2.2 Expandability . 19 4.2.3 Scientific Return . 19 4.2.4 Risk . 20 4.2.5 Cost . 21 5 Initial Concept of Operations 21 5.1 Orbital Analysis . 22 5.2 Launch Vehicles . 22 6 Habitat Location 25 6.1 Introduction . 25 6.2 Region Selection . 25 6.3 Locations of Interest . 26 6.4 Eliminated Locations . 26 6.5 Remaining Locations . 27 6.6 Chosen Location . 28 7 Operations 29 7.1 Introduction . 29 7.2 Requirements . 30 7.3 Assumptions . 30 7.4 Scientific Experimentation . 31 7.5 Infrastructure . 37 7.5.1 Needs . 37 7.5.2 Ground Systems . 38 7.5.3 Communication . 39 7.5.4 Set Up . 39 8 Habitat Architecture 44 8.1 Summary . 44 8.2 Standards and Requirements . 45 8.2.1 Volume and Area Requirements . 45 8.2.2 Environmental Standards . 46 8.3 Habitability Standards . 48 3 8.3.1 NASA Architectural Standards . 49 8.3.2 NASA Hardware and Equipment Standards . 49 8.4 Habitat Design . 50 8.4.1 Constraints . 50 8.4.2 Inflatable Habitat Design . 50 8.4.3 Connecting Node Design . 53 8.4.4 Habitat Floor Plan . 53 8.4.5 Architectural ISRU . 55 8.4.6 Lunar Regolith for Environmental Protection . 55 8.4.7 Habitat Power Requirements . 56 8.5 Environmental Systems . 57 8.5.1 Life Support Systems Reliability . 58 8.5.2 Thermal Control System . 58 8.5.3 ISRU for Oxygen Production . 60 8.5.4 Cryogenic Tube-On Oxygen Tank . 61 8.5.5 NASA RESOLVE . 62 8.6 Manufacturing Timeline . 63 8.7 System Selection . 63 8.7.1 Rigid Structures . 64 8.7.2 Inflatable Structures . 64 8.7.3 Hybrid Structures . 65 8.7.4 Trade Study . 65 9 Communication and Data Handling 66 9.1 General Introduction . 66 9.2 Introduction for Communications . 66 9.3 NASA and International Standards . 66 9.4 Intro to Radio Frequency and Lunar Constraints . 67 9.5 Introduction to Optical Communication . 69 9.6 Redundancy Outline . 69 9.7 Polar Satellites . 71 9.8 Malapert Station . 71 9.9 Lagrangian Satellite . 72 9.10 Ground Stations . 74 9.11 Data Rates . 76 9.12 Command and Data Handling . 76 10 Power Systems 77 10.1 Overview . 77 10.2 Requirements . 77 10.2.1 Needs . 77 10.2.2 Alterables . ..