perigee
noun [ C or U ] physics specialized uk/ˈper.ɪ.dʒiː/ us/ˈper.ɪ.dʒiː/
（月亮或人造卫星的）近地点
the point in the orbit (= curved path) of the moon or a satellite when it it is closest to the earth
The moon will be at perigee, its closest to the earth, on the 8th of the month. 月球将在本月8日处于近地点，离地球最近。
Compare: apogee