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  • 1
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    The NASA/CNES Mars sample return— a status report (2004)
    Elsevier
    Details
    Publication Date: 2004-04-01
    Print ISSN: 0094-5765
    Electronic ISSN: 1879-2030
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Published by Elsevier
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    PAPER CURRENT
  • 2
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    Mars Observer mission plan (1991)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Description: The paper describes plans devised for operating the Mars Observer mission during its five phases of activity: the launch, the cruise, the orbit insertion, the mapping, and the Mars 1994 support. The latter phase is to provide a data relay for a Sovier mission to Mars which will be launched in 1994. These plans will be used to plan detailed sequencing strategies for the Mars Observer mission. The low-altitude orbit and a full Martian year of observations will provide, both in temporal and spatial coverage and resolution, the most comprehensive study of an extraterrestrial planet to date.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: Journal of Spacecraft and Rockets (ISSN 0022-4650); 28; 522-529
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Mars Exploration Program and Mars Technology Program (2002)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The Mars Exploration Program and constituent Mars Technology Program are described. Current, ongoing and future NASA-led missions are presented, including discussions of scientific accomplishments and objectives as well as technology validations accomplished and technological enablers for future missions. The missions summarized include (in order of actual or planned launch): Mars Global Surveyor, Mars Pathfinder, 2001 Mars Odyssey, Mars Reconnaissance Orbiter, Mars 'Smart' Lander, Mars Scouts, Mars Sample Return. Key technology areas hdiscussed include: Navigation, Entry, Descent and Landing, Science and Surface Operations, Orbital Transport and Sample Return Technologies.
    Keywords: Lunar and Planetary Science and Exploration
    Type: The First Agenzia Spaziale Italiana (ASI) International Workshop on Futuristic Space Technologies; Oct 05, 2002 - Oct 07, 2002; Trieste; Italy
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    On the Nature of Earth-Mars Porkchop Plots (2013)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Porkchop plots are a quick and convenient tool to help mission designers plan ballistic trajectories between two bodies. Parameter contours give rise to the familiar 'porkchop' shape. Each synodic period the pattern repeats, but not exactly, primarily due to differences in inclination and non-zero eccentricity. In this paper we examine the morphological features of Earth-to-Mars porkchop plots and the orbital characteristics that create them. These results are compared to idealistic and optimized transfers. Conclusions are drawn about 'good' opportunities versus 'bad' opportunities for different mission applications.
    Keywords: Lunar and Planetary Science and Exploration
    Type: AAS 13-226 , AAS/AIAA Spaceflight Mechanics Meeting; Feb 10, 2013 - Feb 14, 2013; Kauai, HI; United States
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Human Mars EDL Pathfinder Study: Assessment of Technology Development Gaps and Mitigations (2017)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: This paper presents the results of a NASA initiated Agency-wide assessment to better characterize the risks and potential mitigation approaches associated with landing human class Entry, Descent, and Landing (EDL) systems on Mars. Due to the criticality and long-lead nature of advancing EDL techniques, it is necessary to determine an appropriate strategy to improve the capability to land large payloads. A key focus of this study was to understand the key EDL risks and with a focus on determining what "must" be tested at Mars. This process identified the various risks and potential risk mitigation strategies along with the key near term technology development efforts required and in what environment those technology demonstrations were best suited. The study identified key risks along with advantages to each entry technology. In addition, it was identified that provided the EDL concept of operations (con ops) minimized large scale transition events, there was no technology requirement for a Mars pre-cursor demonstration. Instead, NASA should take a direct path to a human-scale lander.
    Keywords: Spacecraft Design, Testing and Performance
    Type: JSC-CN-37782 , IEEE Aerospace Conference; Mar 04, 2017 - Mar 11, 2017; Big Sky, MT; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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