Free Access
Fig. 19.
Moment of closest approach relative to the current epoch along the three major axes. Asteroids in the wake of the Solar System tend to have been encountered a while in the past, whereas those in front will have the closest encounter in the future.
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.