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We analyze here the reasons why an explanation of the Pioneer anomalyproposed by the authors is fully compatible with the cartography of the solarsystem. First, this proposal posits that the phenomenon is an apparentacceleration, not a real one, caused by a progressive desynchronization of theastronomical and the atomic clock-times, after they had been synchronized at aprevious instant. The desynchronization could be caused by a coupling betweenthe background gravitation and the quantum vacuum. Therefore, the standardargument for the incompatibility of the Pioneer acceleration and the values ofthe planets' orbits radii cannot be applied. Second, this proposal givesexactly the same results for radar ranging observations as standard physics.Hence, it cannot be in conflict with the very precise cartography of the solarsystem determined by NASA's Viking mission. Otherwise stated, while thisproposal predicts apparent changes in the velocities of the spaceships and inthe frequencies of Doppler observations, as really observed, it does not affectthe values of the distances in any way whatsoever. Note that an accelerationbetween the astronomical and the atomic clock-times ({\it i. e.} a progressivedesynchronization) can not be discarded a priori as long as we will lack atheory of quantum gravity.

On the compatibility of a proposed explanation of the Pioneer anomaly with the cartography of the solar system