Macnaha qaamuuska "point of apoapsis" waa barta ku jirta wareegga shay ee ku xeeran jidhka samada, sida meeraha ama xidigta, taas oo ka fog in jidhka lagu wareego. Halkaa marka ay marayso,xawaaraha shaygu waxa uu noqonayaa kii ugu gaabis badnaa,waxana uu ku yaalaa meesha ugu saraysa ee uu ku wareego. Erayga "apoapsis" waxa inta badan loo adeegsadaa wareegyada satalaytka macmalka ah, dayax-gacmeedyada iyo walxaha kale ee hawada sare.