How do you keep it stationary? How do you keep it out of the Earth's shadow a.k.a. night? How do you keep the transmission loss low and receiving station footpr

How do you keep it stationary? How do you keep it out of the Earth's shadow a.k.a. night? How do you keep the transmission loss low and receiving station footprint small? How do you avoid harming things that could come into your beams? How do you achieve all the above simultaneously?