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SEXTANT - Station Explorer for X-Ray Timing and Navigation TechnologyThe Station Explorer for X-ray Timing and Navigation Technology (SEXTANT) is a NASA funded technology- demonstration. SEXTANT will, for the first time, demonstrate real-time, on-board X-ray Pulsar-based Navigation (XNAV), a significant milestone in the quest to establish a GPS-like navigation capability available throughout our Solar System and beyond. This paper describes the basic design of the SEXTANT system with a focus on core models and algorithms, and the design and continued development of the GSFC X-ray Navigation Laboratory Testbed (GXLT) with its dynamic pulsar emulation capability. We also present early results from GXLT modeling of the combined NICER X-ray timing instrument hardware and SEXTANT flight software algorithms.
Document ID
20150000814
Acquisition Source
Goddard Space Flight Center
Document Type
Presentation
Authors
Mitchell, Jason (NASA Goddard Space Flight Center Greenbelt, MD United States)
Hasouneh, Monther (NASA Goddard Space Flight Center Greenbelt, MD United States)
Winternitz, Luke (NASA Goddard Space Flight Center Greenbelt, MD United States)
Valdez, Jennifer (NASA Goddard Space Flight Center Greenbelt, MD United States)
Price, Sam (NASA Goddard Space Flight Center Greenbelt, MD United States)
Semper, Sean (NASA Goddard Space Flight Center Greenbelt, MD United States)
Yu, Wayne (NASA Goddard Space Flight Center Greenbelt, MD United States)
Gaebler, John (NASA Goddard Space Flight Center Greenbelt, MD United States)
Ray, Paul (Universities Space Research Association Greenbelt, MD, United States)
Wood, Kent (Universities Space Research Association Greenbelt, MD, United States)
Arzoumanian, Zaven (Universities Space Research Association Greenbelt, MD, United States)
Litchford, Ronald J. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Gendreau, Keith (NASA Goddard Space Flight Center Greenbelt, MD United States)
Date Acquired
January 26, 2015
Publication Date
January 5, 2015
Subject Category
Space Communications, Spacecraft Communications, Command And Tracking
Report/Patent Number
GSFC-E-DAA-TN20031
Report Number: GSFC-E-DAA-TN20031
Meeting Information
Meeting: AIAA Guidance, Navigation, and Control Conference
Location: Kissimmee, FL
Country: United States
Start Date: January 5, 2015
End Date: January 9, 2015
Sponsors: American Inst. of Aeronautics and Astronautics
Funding Number(s)
CONTRACT_GRANT: NNG06EO90A
OTHER: 2014-596-SEXTANT
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
X-rays
Pulsars
Navigation

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