Project Title

Mission Operations Time Services



Document Number


2.04 Spacecraft Monitoring and Control Working Group

Document Type


Description of Document

Time correlation between on-board clocks and the system reference time is required to support mission operations, for basic M&C purposes, on-board scheduling and flight dynamics. The time service includes the following operations:
- Report Time
- Correlate Time
- Set Time
- Configure rate of Time Report generation.

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


Book Editor

Book Editor Resources

Prototype 1

Prototype 1 Resources

Prototype 2

Prototype 2 Resources

Prototype 3

Prototype 3 Resources


Monitor Only

Resource Comments


Legend for Schedule Milestones
Orange Bullet = Required for Orange Books
Green Bullet = Required for Green Books
Magenta Bullet = Required for Magenta Books
Blue Bullet = Required for Blue Books
Note - Red Books are Draft Blue/Magenta Books

Schedule Milestones
Orange BookGreen BookMagenta BookBlue Book
Original Completion Date
(Date in M/D/YYYY format.)
Estimated Completion Date
(Date in M/D/YYYY format.)
Actual Completion Date
(Date in M/D/YYYY format.)
(Date in M/D/YYYY format.)
Project ApprovedOrange BulletGreen BulletMagenta BulletBlue Bullet1/1/20181/1/20061/1/2006
Project Start DateOrange BulletGreen BulletMagenta BulletBlue Bullet1/1/20181/1/2006
Internal WG Review
First Draft Circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet1/1/2014
First Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet10/22/2014
Second draft circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet11/5/2014
Second Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet11/26/2014
Final WB Submitted to AD for Further ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet12/10/2014
External Milestones
Secretariat Document ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet12/17/2015
First Agency ReviewMagenta BulletBlue Bullet2/8/2016
RID ResolutionMagenta BulletBlue Bullet5/23/2016
Secretariat Document Processing 2Magenta BulletBlue Bullet5/30/2016
Final Agency ReviewMagenta BulletBlue Bullet6/29/2016
RID ResolutionMagenta BulletBlue Bullet10/11/2016
First Prototype DevelopmentBlue Bullet2/8/2017
First Prototype DevelopmentBlue Bullet4/9/2017
CMC ApprovalOrange BulletGreen BulletMagenta BulletBlue Bullet10/25/20211/1/2021
Total Time to Complete
(in months)
Version: 122.0
Created at 11/23/2008 9:31 AM by Merri Mario
Last modified at 4/7/2016 10:29 PM by CCSDS Tech Support