9 Satellites; satellite thrusters being thrusters specially adapted for satellites; electric thrusters for satellites being thrusters specially adapted for satellites; plasma thrusters for satellites being thrusters specially adapted for satellites; Hall-effect thrusters for satellites being thrusters specially adapted for satellites; measuring apparatus on board satellites, namely, apparatus for measuring position, roll, pitch, yaw, heave, speed, thrust, acceleration, temperature, pressure, fuel quantity; downloadable software for designing and planning the operation of satellites and operating satellites; downloadable software for aeronautics for designing and planning the operation of satellites and operating satellites; downloadable aerospace software for designing and planning the operation of satellites and operating satellites; downloadable propulsion simulation software; downloadable satellite orbiting simulation software; surveying, photographic, optical, verifying, signaling, weighing or measuring apparatus and instruments, namely, computers, communication equipment, namely, transponder, antenna, radio transmitter and microwave transmitter, radio receiver and microwave receiver, temperature indicators, pressure measuring apparatus, electricity measuring instruments, namely, electronic devices for measuring electric current, electric and electronic components, namely, integrated circuit module, inertial measurement unit, power converter, magnetometer, microcontroller, power regulator; apparatus for recording, transmitting, reproducing and recording sounds or images; digital recording media, namely, pre-recorded digital media devices featuring recorded data from sensors such as temperature, pressure, orientation, energy consumption, state of actuators; data processing equipment being data processing apparatus; computers; electronic tablets being tablet computers; computer peripheral devices; batteries; electric batteries