ISO INTERNATIONAL STANDARD 19389 First edition 2014-07-01 Space data and information transfer systems Conjunction data message Systemes de transfert des données et informations spatiales - Message de données conjointes Reference number ISO 19389:2014(E) @ISO 2014 by IHS under lic se with IS Not for Resale ISO 19389:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2014 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. ISO copyright office Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ ISO 2014 - All rights reserved Tby IHS under itted without license from IHS Not for Resale ISO 19389:2014(E) Foreword ISO(thelnternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(iSO member bodies). The work of preparing International Standards is normally carried out through isO technical liaison with IsO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. ISO/lEC Directives, Part 1. In particular the different approval criteria needed for the different types of iSO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. during the development of the document will be in the Introduction and/or on the isO list of patent declarations received(seewww.iso.org/patents) Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement. well as information about ISO's adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information ISO 19389 was prepared by the Consultative Committee for Space Data Systems (CCSDS) (as CCSDS 508.0-B-1, June 2013) and was adopted (without modifications except those stated in Clause 2 of this International Standard) by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 13, Space data and information transfer systems. ii