301–350 von 4,848 Ergebnissen
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    Navigating MarCO, the first interplanetary CubeSats

    Young, Brian / Martin-Mur, Tomas J. | NTRS | 2019

    Navigation accuracy at Jupiter and Saturn using optical observations of planetary satellites

    Broschart, Stephen B. / Olikara, Zubin / Bhaskaran, Shyam et al. | NTRS | 2019

    Contact inertial odometry: flying on IMU only

    Agha-mohammadi, Ali-akbar / Thakker, Rohan / Fan, David et al. | NTRS | 2019

    Single-satellite doppler localization with Law of Cosines (LOC)

    Lightsey, Glenn / Jun, William / Lee, Charles et al. | NTRS | 2019

    Mars 2020 Entry, Descent, and Landing system overview

    Lefland, Mallory / Giovingo, Cj / Mohan, Swati et al. | NTRS | 2019

    Accessing highly out-of-ecliptic science orbits via low-energy, low-thrust transport mechanisms

    Bosanac, Natasha / Sullivan, Christopher / Anderson, Rodney L. et al. | NTRS | 2019

    Chemical propulsion for outer planet exploration

    Williams, Shae / Gervasi, James / Reh, Jonathan R. et al. | NTRS | 2019

    Mars Reconnaissance Orbiter navigation strategy for support of InSight lander's entry, descent, and landing sequence

    Criddle, Kevin E. / Woollands, Robyn M. / Schulze, William B. et al. | NTRS | 2019

    Deployment mechanisms for high packing efficiency One-MEter Reflectarray Antenna (OMERA)

    Cwik, Tom / Agnes, Greg / Shi, Mengjan et al. | NTRS | 2019

    Actively articulated wheel-on-limb mobility for traversing Europa analogue terrain

    Garrett, Michael / Bowkett, Joseph / Chamberlain-Simon, Brendan et al. | NTRS | 2019

    Single-satellite real-time relative positioning for moon and Mars

    Lee, Charles / Lightsey, Glenn / Jun, William et al. | NTRS | 2019

    Automated science scheduling for the ECOSTRESS mission

    Freeborn, Dana / Padams, Jordan / Cawse-Nicholson, Kerry et al. | NTRS | 2019

    Streamlining high-altitude ballooning missions: from payload, to launch, to flight

    Stoica, Adrian / di Torino, Politecnico / Lara Tovar, Bryan et al. | NTRS | 2019

    Pathogen: using campaign intent to guide onboard planning for a self-reliant rover

    Wong, Vincent / Schaffer, Steve / Gaines, Daniel et al. | NTRS | 2019

    Analyzing feasibility of optical communication observables for navigation

    Martin-Mur, Tomas J. / McCandless, Sarah Elizabeth | NTRS | 2019

    Requirements Development and Management on the Psyche Project

    Elkins-Tanton, Linda T. / Lord, Peter / Williams, Ashley et al. | NTRS | 2019

    Towards Articulated Mobility and Efficient Docking for the DuAxel Tethered Robot System

    Nesnas, Issa / Reid, William / McGarey, Patrick | NTRS | 2019

    Aerobracking the ExoMars TGO: the JPL Navigation Experience

    Young, Brian / Han, Dongsuk | NTRS | 2019

    The WFIRST coronagraph instrument Phase B optical design

    Zhao, Feng / Shi, Fang / Rud, Mayer et al. | NTRS | 2019

    Advancements in precision edges for a starshade external occulter

    Lisman, Douglas / Martin, Stefan / Shaklan, Stuart et al. | NTRS | 2019

    Accelerating 23,000 hours of ground test backsputtered carbon on a magnetically shielded Hall thruster

    Jorns, Benjamin / Chaplin, Vernon H. / Hofer, Richard R. et al. | NTRS | 2019

    Technology maturity update for the Habitable-zone Exoplanet Imaging Observatory (HabEx) concept

    Serabyn, Eugene / Shaklan, Stuart / Azizi, Ali et al. | NTRS | 2019

    NASA Electronic Parts Activities: Ongoing and Recent Initiatives

    Sampson, Michael J. / Agarwal, Shri G. | NTRS | 2018

    The Evolution of the CCSDS Orbit Data Messages

    Oltrogge, Daniel L. / Berry, David S. | NTRS | 2018

    Lessons Learned in Extended-Extended Spitzer Space Telescope Operations

    Lowrance, Patrick / Mahoney, William A. / Scire, Elena et al. | NTRS | 2018

    In-Flight Verification and Validation of Colloid Microthruster Performance

    Hsu, Oscar / Maghami, Peiman / Thorpe, James Ira et al. | NTRS | 2018

    Assessment of Potential Mars Relay Network Enhancements

    Wenkert, Daniel / Lee, Charles H. / Gladden, Roy et al. | NTRS | 2018

    Thermal Operability Improvements for the Mars 2020 Rover Surface Mission

    Lee, Chern-Jiin / Singh, Kaustabh / Farias, Edgardo et al. | NTRS | 2018

    Preliminary Interplanetary Mission Design and Navigation for the Dragonfly New Frontiers Mission Concept

    Laipert, Frank E. / Jesick, Mark / Ionasescu, Rodica et al. | NTRS | 2018

    Next Generation Relay Services at Mars via an International Relay Network

    Edwards, Charles D. Jr / Wenkert, Daniel / Burleigh, Scott C. et al. | NTRS | 2018

    Automated Spacecraft Conjunction Assessment at Mars and the Moon - A Five Year Update

    Wilson, Roby S. / Roncoli, Ralph B. / Tarzi, Zahi B. et al. | NTRS | 2018

    A Micro Newton Impulse-Bit Hydrazine Thruster - Design, Test, and Mission Applications

    Scharf, Daniel P. / Lewis, James R. / Skulsky, David et al. | NTRS | 2018

    Mars Sample Return Conceptual Mission Overview

    Beyer, Friederike / Duvet, Ludovic / Karp, Ashley C. et al. | NTRS | 2018

      Mars Sample Return Conceptual Mission Overview

      Beyer, Friederike / Duvet, Ludovic / Karp, Ashley C. et al. | NTRS | 2018

    Mars 2020 Surface Mission Modeling Landing Site Thermal Environments

    Lange, Robert D. / Wagner, Travis L. | NTRS | 2018

      Mars 2020 Surface Mission Modeling: Landing Site Thermal Environments

      Lange, Robert D. / Wagner, Travis L. | NTRS | 2018

      Mars 2020 Surface Mission Modeling Landing Site Thermal Environments

      Lange, Robert D. / Wagner, Travis L. | NTRS | 2018

    Self-Reliant Rover Design for Increasing Mission Productivity

    Vasavada, Ashwin / Anderson, Robert / Rabideau, Gregg et al. | NTRS | 2018

      Self-Reliant Rover Design for Increasing Mission Productivity

      Vasavada, Ashwin / Anderson, Robert / Rabideau, Gregg et al. | NTRS | 2018

    Electric Propulsion Research and Development at NASA

    Hofer, Richard / Brophy, John / Ganapathi, Gani et al. | NTRS | 2018

    Autonomous Small Body Mapping and Spacecraft Navigation

    Bhaskaran, Shyamkumar / Nesnas, Issa / Chung, Soon-Jo et al. | NTRS | 2018