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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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Toward an Autonomous Feature-based Pointing System for Planetary Missions

Although the analytical groundwork for understanding two-dimensional object images and various aspects of computer vision has been laid, we have not yet applied these concepts to automating the process of obtaining science images during space exploration missions. Our current approach in specifying pointing-command sequences relies heavily on target predicts, based on predicted target and spacecraft ephemerides, that propagate the target position as a function of time during pointing operations.

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Standardized, Low Cost Communications for Planetary Mission

For Deep Space Missions, the Radio-Frequency (RF) communications link provides both communications and navigation services. In this article we discuss the increased efficiency and reduced cost that can result from the potential consolidation of the two services into one suite of equipment, and the utilization of guaranteed delivery standard protocols to improve the communications service.

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