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Complete your application – Enter the rest of the information required for the IC Postdoc Program Research Opportunity. The application itself contains detailed instructions for each one of these components: availability, citizenship, transcripts, dissertation abstract, publication and presentation plan, and information about your Research Advisor co-applicant.
Additional information about the IC Postdoctoral Research Fellowship Program is available on the program website located at: https://orise.orau.gov/icpostdoc/index.html.
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Research Topic Description, including Problem Statement:
With the expansion of space operations to the Cis-lunar domain, The Department of Defense (DoD) and the National Geospatial-Intelligence Agency (NGA) has a need to determine and solicit ideas and software for orbit propagation models far above the geosynchronous orbit region, where lunar perturbations are not properly modeled by DoD/NGA tool suites. The incorporation of NASA high fidelity models, which are computationally fast/efficient, can be used for potential DoD/NGA taskings. Coordinate transformation schema for the Cis-Lunar, Lunar and Trans-Lunar environments to ensure Positioning, Navigation, Timing (PNT) and targeting are a prime focus of this effort.
Software tools such as the NASA Goddard Space Flight Center’s (GSFC) open source General Mission Analysis Tool (GMAT) is used as the reference for both mathematical specifications and application. Transformation representations must accommodate accurate navigation for assets within all three environments (Cis-Lunar, Lunar, Trans-Lunar). Coordinate systems/transformations should provide improved accuracies using inertial navigation systems as in a terrestrial environment. NGA requires academic subject matter experts (SMEs) in lunar and cis-lunar trajectory guidance and navigation. In addition, the program requires navigation and time correction and maintenance algorithms and simulation software.
Relevance to the Intelligence Community:
This work will aim to improve Space Domain Awareness and satellite tracking & PNT solutions from the GEO belt out to the region of the Moon, also called the “cislunar” region. Currently, the analytics and observational hardware for determining orbits of satellites above GEO are inaccurate and they get worse as one moves further away from the Earth.
In accordance with NGA's Space requirements tasked in Q4FY2019 via the Administration's Space Policy Directive-4 (SPD-4) and the House Mark on the NDAA FY21, this solicitation will assist in evaluating and prototyping NGA's solutions for establishing space domain awareness within the orbit of the Moon, architecting cislunar PNT, as well as initiating lunar surface intelligence, surveillance, and reconnaissance (ISR).
This project addresses all the mission imperatives:
Key Words: Cislunar, Position, Timing, Navigation, Lunar, Trans-Lunar, NASA, Terrestrial, Space, Satellites, GEO