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  • 1970-1974  (2)
  • 1974  (2)
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  • 1970-1974  (2)
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  • 1
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    Phobos - Control network analysis (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Initial analysis of the Mariner 9 high resolution pictures of Phobos surface features has been completed. A control network of 38 landmarks has been established and used to determine the physical size, shape, orientation, libration, and topography properties of Phobos. The results verified the synchronous rotation of Phobos and revealed a libration of approximately 5 deg in the orbit plane of Phobos. A preliminary map of Phobos, based on the control network analysis, is given.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Icarus; 23; Oct. 197
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Mariner Mars 1971 optical navigation demonstration (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The feasibility of using a combination of spacecraft-based optical data and earth-based Doppler data to perform near-real-time approach navigation was demonstrated by the Mariner Mars 71 Project. The important findings, conclusions, and recommendations are documented. A summary along with publications and papers giving additional details on the objectives of the demonstration are provided. Instrument calibration and performance as well as navigation and science results are reported.
    Keywords: NAVIGATION
    Type: NASA-CR-138453 , JPL-TM-33-683
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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