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We present here the new results obtained with the INPOP planetary ephemeridesand BepiColombo radio-science simulations. We give new constraints for theclassic General Relativity tests in terms of violation of the PPN parameters$\beta$ and $\gamma$ and the time variation of the gravitational constant G. Wealso present new limits for the mass of the graviton and finally we obtain newacceptable intervals for the dilaton parameters $\alpha_{0}$, $\alpha_{T}$ and$\alpha_{G}$. Besides these tests of gravitation, we also study the possibilityof detecting the Sun core rotation.

INPOP Planetary ephemerides and applications in the frame of the  BepiColombo mission including new constraints on the graviton mass and  dilaton parameters