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Debris Assessment Software User’S Guide Version 2.1

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Debris Assessment Software User’S Guide Version 2.1 NASA/TP-2016-218600-REV1 Debris Assessment Software User’s Guide Version 2.1 Orbital Debris Program Office Eugene G. Stansbery NASA Johnson Space Center Houston, Texas John Opiela Andrew Vavrin Billy Draeger Phillip Anz-Meador Jacobs Houston, Texas National Aeronautics and Space Administration Lyndon B. Johnson Space Center Houston, Texas 77058 October 2016 THE NASA STI PROGRAM OFFICE . IN PROFILE Since its founding, NASA has been • CONFERENCE PUBLICATION. dedicated to the advancement of aeronautics Collected papers from scientific and and space science. The NASA Scientific and technical conferences, symposia, Technical Information (STI) Program Office seminars, or other meetings sponsored or plays a key part in helping NASA maintain cosponsored by NASA. this important role. • SPECIAL PUBLICATION. Scientific, The NASA STI Program Office is operated technical, or historical information from by Langley Research Center, the lead center NASA programs, projects, and mission, for NASA’s scientific and technical often concerned with subjects having information. The NASA STI Program Office substantial public interest. provides access to the NASA STI Database, the largest collection of aeronautical and • TECHNICAL TRANSLATION. space science STI in the world. The Program English-language translations of foreign Office is also NASA’s institutional scientific and technical material pertinent mechanism for disseminating the results of to NASA’s mission. its research and development activities. These results are published by NASA in the Specialized services that complement the NASA STI Report Series, which includes STI Program Office’s diverse offerings the following report types: include creating custom thesauri, building customized databases, organizing and • TECHNICAL PUBLICATION. Reports publishing research results . even of completed research or a major providing videos. significant phase of research that present the results of NASA programs and For more information about the NASA STI include extensive data or theoretical Program Office, see the following: analysis. Includes compilations of significant scientific and technical data • Access the NASA STI Program Home and information deemed to be of Page at http://www.sti.nasa.gov continuing reference value. NASA’s counterpart of peer-reviewed formal • E-mail your question via the internet to professional papers but has less stringent [email protected] limitations on manuscript length and extent of graphic presentations. • Fax your question to the NASA Access Help Desk at (301) 621-0134 • TECHNICAL MEMORANDUM. Scientific and technical findings that are • Telephone the NASA Access Help Desk preliminary or of specialized interest, at (301) 621-0390 e.g., quick release reports, working papers, and bibliographies that contain • Write to: minimal annotation. Does not contain NASA Access Help Desk extensive analysis. NASA Center for AeroSpace Information 7115 Standard • CONTRACTOR REPORT. Scientific Hanover, MD 21076-1320 and technical findings by NASA- sponsored contractors and grantees. NASA/TP-2016-218600-REV1 Debris Assessment Software User’s Guide Version 2.1 Orbital Debris Program Office Eugene G. Stansbery NASA Johnson Space Center Houston, Texas John Opiela Andrew Vavrin Billy Draeger Phillip Anz-Meador Jacobs Houston, Texas National Aeronautics and Space Administration Lyndon B. Johnson Space Center Houston, Texas 77058 October 2016 Acknowledgements The DAS 2.0 was developed by the NASA Orbital Debris Program Office at Johnson Space Center in Houston, between October 2003 and September 2006. The development team was led by John N. Opiela. Additional team members included Jose Dobarco-Otero, Barbara Hadjisavvas, Marsha Hennigan, Eric Hillary, Nicholas Johnson, Paula Krisko, Jer-Chyi Liou, Mark Matney, Ries Smith, Eugene Stansbery, and David Whitlock. Thanks to Andrew Vavrin and Mark Matney for their efforts in the upgrade to version 2.1, incorporating the new ORDEM 3.0 debris model. The development team thankfully acknowledges the careful review and detailed comments and suggestions provided by the software beta review panel. Available from: NASA Center for AeroSpace Information National Technical Information Service 7115 Standard Drive 5285 Port Royal Road Hanover, MD 21076-1320 Springfield, VA 22161 301-621-0390 703-605-6000 This report is also available in electronic form at http://ston.jsc.nasa.gov/collections/TRS/ REVISION AND HISTORY PAGE REV. DESCRIPTION PUB. DATE Initial New Document: Reference JSC 64047 November Release 2007 Rev. A Throughout: Update to Section 1.1, 1.2, and 3.10. January 2012 Revised Changed ORDEM2000 to ORDEM 3.0. Added notes about March 2016 for DAS increased run time due to ORDEM 3.0. Changed general references 2.1 to the software from “DAS 2.0” to simply “DAS 2”. Clarifications and additions related to installing and running DAS 2.1. Updated the acceptable mission date range to match the new DAS date range of 2010-2070. i ii Table of Contents List of Figures ..................................................................................................................................... v List of Tables ....................................................................................................................................... v List of Plots ........................................................................................................................................ vi 1. Introduction ................................................................................................................................ 1 1.1 Scope and Limitations .......................................................................................................... 1 1.2 Software Changes ................................................................................................................. 1 1.2.1 Changes from DAS 1.5.3 to DAS 2.0 ................................................................................ 1 1.2.2 Changes to DAS 2.0 ........................................................................................................... 2 1.2.3 Changes from DAS 2.0 to DAS 2.1 ................................................................................... 2 1.3 Software Installation and Removal ...................................................................................... 3 2. DAS Main Window Features .................................................................................................... 5 2.1 Viewing Toolbars ................................................................................................................. 5 2.2 Using the Mission Editor ...................................................................................................... 7 2.3 Requirement Assessments ................................................................................................... 13 2.4 Science and Engineering Utilities ........................................................................................ 14 2.5 Using the Material Database Editor .................................................................................... 15 2.6 Using the Plot Viewer .......................................................................................................... 15 2.7 Using the Date Conversion Utility ....................................................................................... 18 2.8 Viewing the Activity Log ...................................................................................................... 18 2.9 Saving and Loading Projects ............................................................................................... 19 3. Assessing Compliance with the NASA Debris Requirements .............................................. 20 3.1 Requirement 4.3-1: Debris Passing Through LEO ........................................................... 20 3.2 Requirement 4.3-2: Debris Passing Near GEO ................................................................ 22 3.3 Requirements 4.4-1, 4.4-2, and 4.4-4: Not Covered by DAS ............................................ 24 3.4 Requirement 4.4-3: Planned Breakups ............................................................................. 24 3.5 Requirement 4.5-1: Limiting Debris Generated by Collisions with Large Objects .......... 26 3.6 Requirement 4.5-2: Probability of Damage from Small Debris ....................................... 28 3.7 Requirement 4.6-1, -2, -3: Postmission Disposal of Space Structures ............................. 31 3.8 Requirement 4.6-4: Postmission Disposal Reliability ....................................................... 35 3.9 Requirement 4.7-1: Casualty Risk from Uncontrolled Reentry ........................................ 35 3.10 Requirement 4.8-1: Mitigate the Collision Hazard of Space Tethers ............................... 40 iii 4. Science and Engineering Utilities ............................................................................................ 45 4.1 On-Orbit Collisions ............................................................................................................ 45 4.1.1 Debris Impacts vs. Orbit Altitude .................................................................................. 45 4.1.2 Debris Impacts vs. Debris Diameter .............................................................................. 48 4.1.3 Debris Impacts vs. Start Date ......................................................................................... 51 4.2 Analysis of Postmission Disposal
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