2. NASA Architecture for Solar System Time Synchronization and Dissemination: Concept of Operations

7. November 2007

11. Dwarf planet Pluto and satellites. Credit: NASA, ESA, H
Dwarf planet Pluto and satellites. Credit: NASA, ESA, H. Weaver (JHU/APL), A. Stern (SwRI), and the HST Pluto Companion Search Team

15. Introduction

16. Approach and Objective

17. Survey of Current and Future Missions

18. Figure . Mission Timing Survey Respondents and Mission Web Sites

19. Requirements

20. Figure . Time Architecture Functional Requirements

21. Figure . Time Architecture Derived Requirements

22. Architecture

23. Figure . Time Architecture Components
Accuracy / Precision

24. Figure . Mission Time Precision Classification
Timescale
Transmit/Receive Stations
Relays

25. Figure . Relays in a Challenged Network
Radiometric
User Platforms
Correlation and Transfer Methods

26. Figure . Time Transfer Method Characteristics

27. Figure . Time Transfer Delays
User Accommodations

28. Operations Concept Development
Mission Domains

29. Figure . Mission Domain Definitions

30. Figure . Time Architecture Mission Domains
Basic Tenets