the french patent applications previously cited the tilting is made possible by means for articulating the top portion 5 to the base portion 6 about an axis 7 fig2 shows the base plate and the satellite in a predetermined tilted position corresponding to this deployment temporary connecting members 10 1 10 2 10 3 10 4 are disposed at the corners of the trapezium shape cross section of the top portion 5 to receive the satellite 3 as shown in fig3 this top portion also receives an impulse actuator 16 for applying a tilting force to the top portion 5 after the lateral wall of the base plate 4 is torn non return actuators 17 1 17 2 for locking the top portion 5 in a predetermined tilting angular position and four spring members 18 1 18 4 for applying an axial impulse to the satellite 3 after operation of the pyrotechnic separator 15 and the impulse actuator 16 and deactivation of the connecting members 10 i this axial impulse separating the satellite from the launch vehicle the members 10 1 15 16 17 1 17 2 and 18 i are standard members that can be used on base plates with different geometries to rationalize the fabrication of these base plates even further in accordance with the aim of the present invention the emphasis is therefore on.