ISO 16126 INTERNATIONAL STANDARD First edition 2014-04-01 Space systems Assessment of survivability of unmanned spacecraft against space debris and meteoroid impacts to ensure successful post- mission disposal Systemes spatiaux - Evaluation de la capacité de survie des vehicules spatiaux non habites face aux debris spatiaux et aux impacts de metéoroidespourgarantiruneélimination efficaced'apres-mission TSO ISORetere2 o(e) it license from IHS Notfor @IS02014 IS0 16126:2014(E) COPYRIGHTPROTECTEDDOCUMENT ISO2014 AHbyghty raeansedlalestronicotherwipemifiedlaniclaindfiutdisgpplbbicatbpyimgyoltqnstihgintprndtioedntnttiaet) otimeamyisewithout prior written permission. Permission can be requested from either ISO at the address below or Iso's member body in the country of the requester. SSeostlght fficeCH-1211 Geneva 20 Tel. +4122749 0111 Fax + 41 22 749 09 47 Wmaw [email protected] Published in Switzerland IHS undet 4001, User=sharabiani, shahramfs No reproduction or networking permitted without license from IHS IS0 16126:2014(E) Contents Page Foreword iv Scope 2 Normative references 1 3 Terms and definitions 1 4 Abbreviatedterms 3 5 Impactsurvivabilityassessmentrequirements 3 6 Impact survivability assessment procedure 3 6.1 General. .3 6.2 Definition of survivability requirement 7 Procedure for performing a simple impact risk analysis 4 7.1 General. 7.2 Spacecraft operating parameters and architecture design 7.3 Identification 8 Procedure forperforminga detailed impactriskanalysis 6 8.1 General 6 8.2 Spacecraft operating parameters and architecture design 6 BalisticdentififatiRicatcomponents 6 8.5 Failure probability analysis. 8 8.6 Iteration of analysis. 8 AanalysisprocedureSupplementaryinformationonthesimpleimpactrisk Annex (informative) 10 Annex B (informative) Ballistic limit equations .12 AnnexC (informative)Backgroundinformationonhypervelocityimpacttestingandmodelling..14 Annex D (informative) Method to calculate impact-induced Probability of No Failure 16 AnnexE (informative)Options for improving impact survivability .17 Bibliography 19 Copyright International Organization for Standardizatior iii IS0 16126:2014(E) Foreword thudiegh(Iso techmioet boabiasiftasewofkchf pitepbringbodyInitteresitedaiStandebjdstisfonowhidhycarrtiechaital committeehasbeen establishedhastherighttoberepresented onthat committee.International organizations, governmentaland non-governmental, in liaison with IsO,alsotake partin the work. ISO collaborates closely with the electrotechnical standardization.International Electrotechnical Commission (IEC) on all matters of The procedures used to develop this document and those intended for its furthermaintenance are diferpeityes ofso/cdBireties SRutia benotedaTbisutadifereentwaepnviferiaaccordanceWith the editorial rules of the IsO/IEC Directives, Part 2 (see www.iso.org/directives). Rttentionrights.dswts tan hehplssibihay sespensibhe fele maentiryfng alythsh'documaxtba thet Pegails, subject of edduringthede on theIsolistofpatentdeclarations received (see www.iso.org/patents). Anytrade used inthis constitute nameendorsement. document is information given for the convenience of users and does not For an explanation on themeaning of Iso specific terms and expressions related to conformity tsadeT eianfwinURliboutSO'ewordshspeetahe WTariniRlethe Technical Barriers Thecommitteeresponsibleforthis document isIso/TC2o,Aircraftandspacevehicles,Subcommittee SC14, Space systems and operations. ational Organization for Standardizatic lotforR IS0 16126:2014(E) INTERNATIONALSTANDARD Space systems - Assessment of survivability of unmanned spacecraft against space debris and meteoroid impacts to ensure successful post-mission disposal 1 Scope This International Standard defines requirements and a procedure for assessing the survivability of aampontsdrsgalieedatftpgafostspase-dabsionandispetedrhdsimpatehsnationahStathdardsueaksoadfkasitidaes two impact risk analysis procedures that canbe used-to satisfythe requirements.Theproced