Projects

Overview
Project Title	Navigation Data—Definitions and Conventions
Approval	Approved
Document Number	500.0
Charter	2.02 Navigation Working Group
Document Type	Green
Description of Document	This document discusses various fundamental aspects of the flight dynamics discipline such as time systems, reference frames, tracking networks, etc. The proposed effort is a periodic refresher update of the technical data in the existing version 500.0-G-3.
Applicable Patents	There are no patent issues for this technology that are known by the CCSDS community
Patent Comments	N/A
Survey of Similar Standards Documents or Projects Undertaken in Other Bodies and elsewhere in CCSDS	This is an update to an existing CCSDS Informational Report. There is no conflict with overlapping standards.
Resources
Book Editor	NASA
Book Editor Resources	It is anticipated that a fractional FTE (0.1 to 0.2) will be necessary for the Lead Editor role given that much of the material currently discussed does not change often. There are, however, new developments that should be discussed in the update.
Prototype 1	Not Required
Prototype 1 Resources
Prototype 2	Not Required
Prototype 2 Resources
Prototype 3
Prototype 3 Resources
Contribute	NASA
Monitor Only	CNES, DLR, ESA, JAXA
Resource Comments

Schedule

Legend for Schedule Milestones = Required for Orange Books = Required for Green Books = Required for Magenta Books = Required for Blue Books Note - Red Books are Draft Blue/Magenta Books Schedule Milestones	Original Completion Date (Date in M/D/YYYY format.)	Comments (Date in M/D/YYYY format.)
Project Approved	8/15/2015
Project Start Date	11/9/2015
Internal WG Review
First Draft Circulated to WG	4/15/2016	Complete
First Draft Comments Due	5/15/2016
Second draft circulated to WG	4/15/2017
Second Draft Comments Due	5/15/2017
Final WB Submitted to AD for Further Processing	5/31/2017
External Milestones
Secretariat Document Processing	7/31/2017
First Agency Review
RID Resolution
Secretariat Document Processing 2
Final Agency Review
RID Resolution
First Prototype Development
Second Prototype Development
CMC Approval	10/31/2017	CMC Poll CMC-P-2019-11-008, 10 votes to "Adopt"
Total Time to Complete (in months)	23