本文分析了AE D极轨卫星近地点的变化及其相应的大气膨胀和密度分布情况。
In this paper, variations of AE-D's perigee altitudes, the corresponding atmospheric expansion and the density distributions are analyzed.
你现在有黄道经度的近地点的阳光平均夏季冬至，你选择了一年(而有效地为整个一年)。
You now have the ecliptic longitude of perigee of the sun for the mean summer solstice of your chosen year (and effectively for the entire year).
如果这是一个围绕地球的椭圆形，那么这是近地点，这是远地点。
If this is an ellipse around the Earth, this would be perigee and this would be apogee.
应用推荐