4. A satellite positioned at an altitude of 1500 km is emitting a 2 diameter beam that is directed perpendicular to its ground track, and when observed from the ground, it has an elevation angle of 15. Please provide responses to the following inquiries taking account of limitations of the assumption taken.: a. Create a visual representation to depict the satellite's location in relation to the Earth, the satellite's footprint, and the Sub-Satellite Point (SSP). b. Determine the dimensions of the satellite's footprint, including its length and width. c. Calculate the total area covered by the satellite's footprint.