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    The Uncertain Nature of Cometary Motions

    Yeomans, D. K. | NTRS | 1995

    Nature of and Lessons Learned from Lunar Ice Cube and the First Deep Space Cubesat 'Cluster'

    Bujold, Emily / Wilzcewski, Sarah / Grubb, Matt et al. | NTRS | 2018

    On the Nature of Io's Thermal Reservoir Unit

    Matson, D. L. / Veeder, G. J. / Blaney, D. L. et al. | NTRS | 1993

    Project SUN

    Herzog, Adrian / Yanow, Gilbert | NTRS | 1997
    Schlagwörter: Nature Students Education

    Assurance of Autonomy for Robotic Space Missions

    Feather, Martin | NTRS | 2018
    ) communication; and the one/few-of-a-kind, must-work-the-first-time nature of most space missions. ...

    Using telemetry to navigate the MarCO cubesats to Mars

    Martin-Mur, Tomas / Young, Brian | NTRS | 2019
    , descent, and landing at Mars. Due to their small size and experimental nature, extensive use of telemetry beyond that commonly used by deep space ...

    Round-Trip Solar Electric Propulsion Missions for Mars Sample Return

    Bailey, Zachary J. / Sturm, Erick J. / Kowalkowski, Theresa D. et al. | NTRS | 2014
    masses than with chemical propulsion. SEP presents formulation challenges due to the coupled nature of launch vehicle performance, propulsion ...

    Design of Solar Sailing Trajectories Resilient to Safe Mode Events

    Johnson, Les / Heaton, Andrew / Laipert, Frank et al. | NTRS | 2021
    Solar sails are an enabling technology for stand-alone small-satellite deep-space exploration. However, their always-on nature, combined ...

    Psyche Science Planning with the Science Opportunity Analyzer

    Elkins-Tanton, Linda T. / Dailis, Matthew / Alonge, Eleanor K. et al. | NTRS | 2021
    to (16) Psyche: a metallic asteroid believed to be the exposed core of an early planetesimal. Despite the unique nature of the target ...

    The Electrical Engineering Profession at NASA

    Emerson, Dawn | NTRS | 2004
    . Presentation is intended to be inspirational in nature. ...

    CubeSAT Security Attack Tree Analysis

    Santangelo, Andrew / Viswanathan, Arun A / Falco, Greg | NTRS | 2021
    vehicles, conduct reconnaissance and other finite tasks. The specialized nature of many CubeSat missions do not make their security any less ...

    Designing Trajectories Resilient to Missed Thrust Events Using Expected Thrust Fraction

    Laipert, Frank E. / Sood, Rohan / Sandel, Carrie Grace et al. | NTRS | 2020
    use of expected thrust fraction, which embeds the stochastic nature of missed thrust events into a deterministic optimal control problem. The ...

    Expected Thrust Fraction: Resilient Trajectory Design Applied to the Earth Return Orbiter

    Laipert, Frank / Sood, Rohan / Rubinsztejn, Ari | NTRS | 2021
    embeds their stochastic nature into a time-varying duty cycle. This paper investigates the application of expected thrust fraction to the Earth ...

    Integration of analyses in an EMC control plan for avionics hardware in space applications

    Perez, Reinaldo | NTRS | 2019
    practices to achieve optimum EMC. The design of an EMC Control Plan for space avionics requires unique challenges due to the nature of the space ...

    Dawn's Second and Final Extended Mission: A New Operational Campaign at Ceres

    Rayman, Marc D. | NTRS | 2018
    extended mission, the nature of the orbits, and the observation campaigns. We also summarize expectations for the end of the mission. ...

    An Affordable Lunar Architecture Emphasizing Commercial and International Partnering Opportunities

    Elliott, John / Howe, Scott / Stoica, Adrian et al. | NTRS | 2018
    many in the space community believe that returning humans to the moon is more logical. Often-cited reasons for this include: (1) should Nature ...

    Human Performance in Space

    Jones, Patricia M. / Fiedler, Edna | NTRS | 2010
    on the ways in which the space environment (especially altered gravity and the isolated and confined nature of long-duration spaceflight ...

    Intelligent Systems: Shaping the Future of Aeronautics and Space Exploration

    Krishnakumar, Kalmanje / Lohn, Jason / Kaneshige, John | NTRS | 2004
    Intelligent systems are nature-inspired, mathematically sound, computationally intensive problem solving tools and methodologies that have ...

    Land Use and Change

    Irwin, Daniel E. | NTRS | 2004
    practical in nature. Specifically, the course will focus on the physics of remote sensing, various satellite and airborne sensors (Landsat, MODIS ...

    LiveView3D: Real Time Data Visualization for the Aerospace Testing Environment

    Schwartz, Richard J. / Fleming, Gary A. | NTRS | 2006
    environment. The graphical nature of the LiveView3D display provides researchers with an intuitive view of the measurement data, making it easier to ...