Fig. 1

Evolution of the perihelion distance (plot a)); semi-major axis b); eccentricity c); argument of perihelion d); longitude of ascending node e); and inclination to the ecliptic f) of the orbit of comet 12P/Pons-Brooks (thick red curve) over the past 35.5 millennia. The corresponding evolution of the orbital elements of 100 cloned orbits (dashed green curves; see Sect. 3) is also shown.
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.