ISO/TR TECHNICAL REPORT 11233 First edition 2014-04-15 Space systems - Orbit determination and estimation Process for describing techniques Systemes spatiaux -Détermination et estimation de I'orbite - Processus pour la description des techniques Reference number ISO/TR11233:2014(E) @ IS0 2014 E"eqr{tkijvgf'd("WPG."E1"1gpqxc."8l"4 :226"Ocftkf."Urckp*cn'tkijv qd*3:*24<62<76"WVE"4246 IS0/TR 11233:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2014 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without 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. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax +4122 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii Eer(tkijigf"d(WPG.E1"I pqxc.814:226"Ocftf.Urckp"cmtkijitgugtxgf+-UwpHgd'3:2462-76"wVE"4246 IS02014-Allrightsreserved t'tartnfweikani'cwintiInfl IS0/TR11233:2014(E) Contents Page Foreword ..iv Introduction ..V 1 Scope .1 2 Symbols and abbreviated terms ..1 3 Background. .1 3.1 General. 1 3.2 Initialorbitdetermination 2 3.3 Subsequentorbitdetermination .2 3.4 Required information for orbit determination .3 3.5 Orbit elements. .7 3.6 Coordinate systems. .9 3.7 Reference frames. 12 3.8 Statevariables.meanorbits.andcovariance 13 3.9 Orbit propagators .13 4 Documentary requirements 14 Annex A (informative) Representative widely used orbit determination and estimation tool sets15 Annex B (informative) Representative reference frames .16 Annex C (informative) Representative numerical integration schemes .17 Annex D (informative) Sample data sheet .18 Bibliography 19 iii