The reference frames of Mercury after the MESSENGER mission |
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| Authors: | Alexander Stark,Jürgen Oberst,Frank Preusker author-information" >,Steffi Burmeister author-information" >,Gregor Steinbrügge author-information" >,Hauke Hussmann author-information" > |
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| Affiliation: | 1.German Aerospace Center,Institute of Planetary Research,Berlin,Germany;2.Institute of Geodesy and Geoinformation Sciences,Technische Universit?t Berlin,Berlin,Germany |
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| Abstract: | We report on recent refinements and the current status for the rotational state models and the reference frames of the planet Mercury. We summarize the performed measurements of Mercury rotation based on terrestrial radar observations as well as data from the Mariner 10 and the MESSENGER missions. Further, we describe the different available definitions of reference systems for Mercury and obtain the corresponding reference frame using data provided by instruments on board MESSENGER. In particular, we discuss the dynamical frame, the principal-axes frame, the ellipsoid frame, as well as the cartographic frame. We also describe the reference frame adopted by the MESSENGER science team for the release of their cartographic products, and we provide expressions for transformations from this frame to the other reference frames. |
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