Periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun.

Roget 197: nearness etc. adj.; proximity, propinquity; vicinity, vicinage; neighborhood, adjacency; contiguity etc. 199.    short distance, short step, short cut; earshot, close quarters, stone's throw; bow shot, gun shot, pistol shot; hair's breadth, span.    purlieus, neighborhood, vicinage, environs, alentours [Fr.], suburbs, confines, banlieue^†, borderland; whereabouts.    bystander; neighbor, borderer^†.    approach etc. 286; convergence etc. 290; perihelion.    ... show more

Dutch: perihelium
Polish: perihelium, peryhelium, punkt przysłoneczny