Projects

Overview
Project Title	Navigation Data Messages Overview Green Book (V.3)
Approval	Approved
Document Number	500.2
Charter	2.02 Navigation Working Group
Document Type	Green
Description of Document	This document provides a brief overview for a prospective user of the Navigation Data Messages developed by the Working Group (Attitude Data Messages, Orbit Data Messages, Tracking Data Message, Conjunction Data Message, Pointing Request Message, Re-Entry Data Message, etc.). Also included are a brief overview of spacecraft navigation and flight dynamics processes, as well as the definition of terms, definitions, and paradigms applicable to message exchange. A few simple use cases are documented.
Applicable Patents	There are no patent issues for this technology that are known by the CCSDS community
Patent Comments
Survey of Similar Standards Documents or Projects Undertaken in Other Bodies and elsewhere in CCSDS	The material in this Green Book is unique to the CCSDS Navigation WG products, so there is no conflict with other standards organizations.
Resources
Book Editor	NASA
Book Editor Resources	6 months
Prototype 1
Prototype 1 Resources	Not applicable for Green Book
Prototype 2
Prototype 2 Resources	Not applicable for Green Book
Prototype 3
Prototype 3 Resources	Not applicable for Green Book
Contribute	CNES, DLR, ESA, JAXA, NASA, UKSA
Monitor Only
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		CMC-P-2021-09-007 Approval of 2 New MOIMS - Navigation Working Group Projects
Project Start Date	1/17/2022
Internal WG Review
First Draft Circulated to WG	3/15/2022
First Draft Comments Due	4/15/2022
Second draft circulated to WG	5/31/2022
Second Draft Comments Due	6/30/2022
Final WB Submitted to AD for Further Processing	7/15/2022
External Milestones
Secretariat Document Processing	9/15/2022
First Agency Review
RID Resolution
Secretariat Document Processing 2
Final Agency Review
RID Resolution
First Prototype Development
Second Prototype Development
CMC Approval	11/1/2022	CMC-P-2023-02-001
Total Time to Complete (in months)	9