Just this week a small townhouse-sized asteroid designated 2010 TD54 skimmed by us at an altitude just a few thousand miles above our geostationary communication satellites.
A collector on Earth that was picking up power from a geostationary satellite orbiting at an altitude of 35,800km would need to be spread over hundreds of square metres.
接收35，800公里外的地球同步卫星传送的能源所需的地面收集器需覆盖数百平方米。
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All geostationary satellites orbit the earth in the equatorial plane at a height of 35,785 km above the equator and stand still at a fixed azimuth and altitude for an observer on the earth surface.