Publications related to the GRACE Missions (no abstracts)

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GRAIL gravity field determination using the Celestial Mechanics Approach

Arnold, Daniel, Bertone, Stefano, Jäggi, Adrian, Beutler, Gerhard, and Mervart, Leos, 2015. GRAIL gravity field determination using the Celestial Mechanics Approach. Icarus, 261:182–192, doi:10.1016/j.icarus.2015.08.015.

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@ARTICLE{2015Icar..261..182A,
       author = {{Arnold}, Daniel and {Bertone}, Stefano and {J{\"a}ggi}, Adrian and {Beutler}, Gerhard and {Mervart}, Leos},
        title = "{GRAIL gravity field determination using the Celestial Mechanics Approach}",
      journal = {\icarus},
     keywords = {Orbit determination, Celestial mechanics, Moon, interior},
         year = 2015,
        month = nov,
       volume = {261},
        pages = {182-192},
     abstract = "{The NASA mission GRAIL (Gravity Recovery and Interior Laboratory)
        inherited its concept from the GRACE (Gravity Recovery and
        Climate Experiment) mission to determine the gravity field of
        the Moon. \textbackslash\textbackslashWe present lunar gravity
        fields based on the data of GRAIL's primary mission phase.
        Gravity field recovery is realized in the framework of the
        Celestial Mechanics Approach, using a development version of the
        Bernese GNSS Software along with Ka-band range-rate data series
        as observations and the GNI1B positions provided by NASA JPL as
        pseudo-observations. \textbackslash\textbackslashBy comparing
        our results with the official level-2 GRAIL gravity field models
        we show that the lunar gravity field can be recovered with a
        high quality by adapting the Celestial Mechanics Approach, even
        when using pre-GRAIL gravity field models as a priori fields and
        when replacing sophisticated models of non-gravitational
        accelerations by appropriately spaced pseudo-stochastic pulses
        (i.e., instantaneous velocity changes).
        \textbackslash\textbackslashWe present and evaluate two lunar
        gravity field solutions up to degree and order 200 - AIUB-
        GRL200A and AIUB-GRL200B. While the first solution uses no
        gravity field information beyond degree 200, the second is
        obtained by using the official GRAIL field GRGM900C up to degree
        and order 660 as a priori information. This reduces the omission
        errors and demonstrates the potential quality of our solution if
        we resolved the gravity field to higher degree.}",
          doi = {10.1016/j.icarus.2015.08.015},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2015Icar..261..182A},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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