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Use of MESSENGER radioscience data to improve planetary ephemeris and to test general relativity

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Figure

Table 1. Summary of the Doppler and range tracking data used for orbit determination.
Fig. 1. Quality of the MESSENGER orbit in terms of rms values of the post-fit residuals for each one-day data arc: (a) two- and three-way Doppler given in millihertz (multiply by 0.0178 to obtain residuals in mm/s), and (b) two-way range given in meters.
Fig. 2. History of the fitted scale factor and estimated range bias: a) scale factor (for solar radiation acceleration) fitted over each one-day data arc to account inaccuracy in the force model, and b) one-way range bias, represent the systematic error in
Table 2. Values of parameters obtained in the fit of INPOP13a and INPOP10e to observations including comparisons to DE423 and DE430.
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