What is the rationale behind using highly elliptical orbits? Explain.
What will be an ideal response?
In an elliptical orbit the earth is situated at one of the focuses of the orbit and the satellite moves quicker at perigee (the point of the orbit that is nearest to the earth), than in apogee (the point of the orbit that is the most distant from the earth). Such highly elliptical orbits are used for satellite telecommunication. Unlike the geostationary orbit, the satellites on elliptical orbits can “see” the poles of the earth. At apogee, the satellite moves slowly and hangs there for several hours. During these several hours, the satellite provides stable telecommunication, and then its place is taken by another satellite. Thus, several satellites in elliptical orbit are used to provide more stable telecommunication.
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A) 16 B) 8 C) 2 D) 4
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The first symbol in a feature control symbol is the geometric characteristic symbol.
Answer the following statement true (T) or false (F)