perigee

[天]近地点英释中释nthe point in its orbit around the earth when the moon or an artificial satellite is nearest the earth

1 If this is an ellipse around the Earth, then this would be perigee and this would be apogee..如果这是一个围绕,地球的椭圆形轨道,那么这是近地点，这是远地点。

2 We know the period, we know where apogee is, we know where perigee is, - we know the orbital period-- anything we want to know..知道周期，知道远地点，和近地点在哪里，知道轨道周期-,知道了想知道的一切。

3 The lowest point (perigee) of the ISS was 347 kilometers and the highest point (apogee) of the SH-7 orbit was 336 kilometers..国际空间站的最低点(近地点)是347公里，神舟七号的最高点(远地点)为336公里。