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gps based autonomous navigation study for the lunar gatewayThis paper describes and predicts the performance of a conceptual autonomous GPS-based navigation system for NASA's planned lunar Gateway. This system is based on the flight-proven Magnetospheric Multiscale (MMS) GPS navigation system, augmented with an earth-pointed high-gain antenna and with an option for an atomic clock. High-fidelity simulations, calibrated against MMS flight data and making use of GPS transmitter patterns from the GPS Antenna Characterization Experiment (ACE) project are developed for operation of the system in the Gateway Near-Rectilinear Halo Orbit (NRHO). The results indicate that GPS can provide an autonomous, realtime navigation capability with comparable, or superior, performance to traditional Deep Space Network approach with eight hours of tracking per day.
Document ID
20190002311
Document Type
Conference Paper
Authors
Winternitz, Luke B.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Bamford, William A.
(Emergent Space Technologies, Inc. Greenbelt, MD, United States)
Long, Anne C.
(a.i. solutions, Inc. Lanham, MD, United States)
Hassouneh, Munther
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
April 11, 2019
Publication Date
January 13, 2019
Subject Category
Communications and Radar
Engineering (General)
Report/Patent Number
AAS 19-096
GSFC-E-DAA-TN66566
Meeting Information
Annual American Astronautical Society (AAS) Guidance, Navigation, and Control Conference(Breckenridge, CO)
Funding Number(s)
CONTRACT_GRANT: NNG14VC09C
CONTRACT_GRANT: NNG17CR69C
Distribution Limits
Public
Copyright
Public Use Permitted.

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