Some Initial Conditions for Disposed Satellites of the Systems GPS and Galileo Constellations

Figure 2

Time evolution of the eccentricity (a) and the critical angle (b). Initial conditions: a = 4.805 𝑅_𝑇 (30,647 km), e = 0.005, I = 56.06°, and other elements equal to zero. In the simulations, we consider only Sun and oblateness as disturbers.

(a)

(b)