Boundary conditions for skip entry trajectory

Precise landing, range modification and high speed control are the main features of the skip entry trajectory. To fulfill these features some boundary conditions are needed to be known, pull-up and exit point are one of them. These have the applications in guidance, control and telecommunication. Feasibility analysis for the calculations of parameters at these conditions using the analytical method instead of solving the complete 3DOF or 6DOF equation of motion is done. For a given entry flight path angle and lift to drag ratios the pull-up altitude, velocity, aerodynamic deceleration as a pull-up parameters and exit velocity as an exit parameters are calculated. Although the maximum deceleration occurs near pull-up altitude and in the literature sometimes they are treated as a same boundary condition. The difference between these two conditions is also analyzed. Using the assumption of planer entry the 3DOF equation of motion is simulated for the purpose of comparison.