Free Access
Fig. 1

Absolute value of the ratio of the magnitude of the perturbed torques, due to degree 3 (red curve) and due to the Martian oblateness (green curve), over the main torque due to the degree 2 versus the distance of Phobos to Mars. The vertical line marks the actual present distance of Phobos to Mars.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.