3 An asteroid is going to make a near Earth hyperbolic flyby If the center of the Earth is located at the focus of the hyperbola the asteroid is seen to be 100 000 km away when directly overhead and the asteroid approaches from 45 degrees above the horizontal how close will the asteroid be from the center of Earth in the middle of its flyby neglect the radius of the Earth Think of what 45 degrees means for a special case right triangle 545 d ch 545 Asteroid 100 000 km