201–250 von 4,848 Ergebnissen
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    An Innovative Approach to Modeling VIPER Rover Software Life Cycle Cost

    Utz, Hans / Fong, Terry / Deans, Matthew et al. | NTRS | 2021

    Long-Duration Wear Testing of the ASTRAEUS Thruster, Phase I: 50 kg Xe Throughput

    Goebel, Dan / Arestie, Steven / Reilly, Sean et al. | NTRS | 2021

    Instrumentation for Exploring Mars with High Science Return Small Payload Missions

    Anderson, R. / Edwards, C. / Wooley, R. et al. | NTRS | 2021

    Exploring Transfers Between Earth-Moon Halo Orbits via Multi-Objective Reinforcement Learning

    Mashiku, Alinda K. / Stuart, Jeffrey R. / Bosanac, Natasha et al. | NTRS | 2021

    Using Reinforcement Learning to Design Missed Thrust Resilient Trajectories

    Laipert, Frank E. / Sood, Rohan / Bryan, Kyra et al. | NTRS | 2020

    NASA (RDAC) Report to the GHRSST Science Team

    Chin, Toshio / Tsontos, Vardis / Li, Wen-Hao et al. | NTRS | 2020

    Aritifact detection and localization in perceptually-degraded subterranean environments

    Agha-mohammadi, Ali-akbar / Daftry, Shreyansh / Morrell, Benjamin et al. | NTRS | 2020

    Thermal Architecture of A Conceptual Mars Sample Return Lander during Cruise and on Mars

    Nicholas, Austin / Karp, Ashley / Eremenko, Alexander et al. | NTRS | 2020

    Designing Trajectories Resilient to Missed Thrust Events Using Expected Thrust Fraction

    Laipert, Frank E. / Sood, Rohan / Sandel, Carrie Grace et al. | NTRS | 2020

    Satellite-To-Satellite Imaging in Support of LEO Optical Navigation, Using the ASTERIA Cubesat

    Fesq, Lorraine / Mages, Declan / Lubey, Daniel et al. | NTRS | 2020

    Planning and Optimization for Multi-robot Planetary Cave Exploration under Intermittent Connectivity Constraints

    Murray, Richard M. / Ames, Aaron D. / Tepsuporn, Scott et al. | NTRS | 2020

    Highlights of the Mars 2020 Environmental Test Program

    Dodge, Randy / Kartolov, Boyan / Seal, Gabriella L | NTRS | 2020

    Solar Array Pointing Requirements Development for the Psyche Spacecraft

    Madni, Ashley / Trofimov, Denis / Snyder, John Steven et al. | NTRS | 2020

    CloudSat - From the A-Train to the C-Train

    Witkowski, M.M. / Vane, D.G. / Livermore, T.R. et al. | NTRS | 2020

    Maven Orbital Trajectory Analysis: Design and Implementation of Lander Relay Support

    Jakosky, B. M. / Burns, R. / Carpenter, J. R. et al. | NTRS | 2020

    Rideshare Strategies for Small Mars Missions

    Stamenkovic, Vlada / Giersch, Lou / Barba, Nathan et al. | NTRS | 2021

    Double Asteroid Redirection Test (DART) Phase D Mission Design & Navigation Analysis

    Velez, Dianna / Tarzi, Zahi / Mottinger, Neil et al. | NTRS | 2021

    Invariant Funnels for Resonant Landing Orbits

    Close, Sigrid / Anderson, Brian / Landau, Damon et al. | NTRS | 2021

    Orbit Determination for the Mars 2020 Mission

    Wong, Mau / Wagner, Sean / Ryne, Mark et al. | NTRS | 2021

    Lunar Terrain Coverage Analysis Data Delivery Workflow

    Michels, Dominik / Shaikh, Mohsin / Lee, Charles et al. | NTRS | 2021

    Low Cost Access to Mars Surface using a Small Impact Lander

    Woolley, Ryan / Edwards, Charles / Diniega, Serina et al. | NTRS | 2021

    NASA Deep Space Network Commitments for Human Missions to the Moon and Beyond

    Turcios, Ricky / Sanders, Felicia / Pham, Tim et al. | NTRS | 2021

    Bistatic Radar Experiments with UAV: Qualification and Performance of a Miniaturized Instrument

    Brockers, Roland / Lay, Norm / Podest, Erika et al. | NTRS | 2021

    Principles for Architecting Autonomous Systems

    Day, John / Rasmussen, Robert / Nesnas, Issa A.D. | NTRS | 2022

    Mars 2020 Entry, Descent, and Landing Software Implementation

    Stehura, Aaron / Lefland, Mallory S | NTRS | 2022

    Preparations for the Launch, Cruise, and Orbital Operations Phases of the Psyche Mission

    Hart, William / Bairstow, Sarah / Larson, Kristina et al. | NTRS | 2022

    Final Approach Navigation to Europa: Setting Up for a Successful Landing

    McElrath, Tim / Kennedy, Brian / Vaquero, Mar | NTRS | 2022

    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

    Operations Concept for Responding to Urgent Requests for NASA-ISRO Synthetic Aperture Radar (NISAR)

    Sharma, Priyanka / Doubleday, Josh R. / Mohr, Dave et al. | NTRS | 2020

    Multibody Simulation of REMORA CubeSat Docking to and Pushing a Spent Rocket Booster

    Mukherjee, Rudranarayan / Kim, Junggon / McCormick, Ryan et al. | NTRS | 2020

      Multibody simulation of REMORA CubeSat docking to and pushing a spent rocket booster

      Mukherjee, Rudranarayan / Kim, Junggon / McCormick, Ryan et al. | NTRS | 2019

    Enabling a new generation of outer solar system missions: engineering design studies for nuclear electric propulsion

    Sotin, Christophe J. / Oleson, Steven R. / McClure, Patrick R. et al. | NTRS | 2020