TECHNICAL ISO/TR REPORT 19473 First edition 2015-09-01 Space systems Best practices for orbit elements at payload LV separation Systemes spatiaux-Meilleures pratiques pour les éléments en orbite a charge utile - Séparation LV Reference number ISO/TR19473:2015(E) SO International Organization for Standardization Zhejiang Institute of Star dardization 5956617 IS02015 vided by IHS under Not for Resale, 2015/11/11 06:47:20 itted without license from IHS IS0/TR 19473:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS02015,PublishedinSwitzerland 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. IsOcopyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel.+41 22 749 0111 Fax+41227490947 [email protected] www.iso.org Intenationai br PrganizationforStandardization I by IHS unde Not for Resale, 2015/11/11 06:47:20 etworking permitted without license from IHS IS0/TR 19473:2015(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Symbols and abbreviated terms 2.1 Abbreviated terms .1 2.2 Symbols .2 Orbit elements and calculation conditions. .3 3 3.1 Orbit elements. 3 3.2 Data source .5 3.2.1 General .5 3.2.2 Guideline of correction about the external measurements .5 3.2.3 External measurement data accuracy .5 3.3 Coordinate systems and time systems. 5 3.3.1 Coordinate systems. .5 3.3.2 Time systems .7 4 Calculation method of Keplerian elements .7 4.1 Calculation method of orbit element.. .1 4.2 Transformation of other orbit elements .9 4.2.1 Parameters of orbit size and shape 4.2.2 Parameters of orbit orientation. .10 4.2.3 Parameters of satellite location .10 5 Calculation method of orbit elements error. ..10 Bibliography ..12 iii see=Zhejiang Institute of Standardization 5956617 vided by IHS under lic cense with ISC ithout license from IHS Not for Resale, 2015/11/11 06:47:20