[CMC] RP A3-31 Announcement of Review Opportunity

[ccsds_rapporteur]

Control Number: RP A3-31

The following draft CCSDS Recommendation has been placed on line for CCSDS 
Agency review:


      CCSDS 502.0-R-3.  Orbit Data Messages.
                        Red Book.  November 2003.


DOCUMENT DESCRIPTION:  This draft Recommendation specifies a modern 
spacecraft ephemeris (trajectory) data standard for use in transferring 
spacecraft orbit information between CCSDS Member Agencies.  Two 
recommended orbit data messages are described:  the Orbit Parameter Message 
(OPM) and the Orbit Ephemeris Message (OEM).  The two recommended orbit 
data messages carry the object identification, the coordinate frame center, 
the coordinate frame identification, and the time system.


The due date for receipt of Agency review comments by the Review 
Coordinator is 2004-3-2.  More information is available at the Web sites 
identified below.

The review document, in Portable Document Format (PDF), and associated 
review materials are available for downloading at the following locations:

primary site:   http://www.ccsds.org/review/rpa331/
alternate site: http://ccsds.gst.com/review/rpa331/

REMINDER:  Agency Heads of Delegation are to make their own arrangements 
for review participation by their Agency-sponsored Associates.