An artificial Earth satellite (AES) is launched from a cosmodrome located at the equator. What speed relative to the surface of the Earth should be reported to the satellite with inclination / ‘= 0 when launched in a westerly direction? eastbound? How will the sought value change if the AES inclination is / = 60 °?
We assume that the satellite is being launched into low orbit. In this case, the circular speed is close to the first cosmic one. When an equatorial satellite is launched in the forward direction, its launch velocity will be less by the value of the linear velocity of the equatorial point (465 m / s); when launching a reverse satellite, respectively, by the same amount. In the case of launching an AES at latitude 60, the launch speed will also be less or more by the value of the linear speed of the Earth’s rotation at a given latitude (233 m / s).
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