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LISA Pathfinder will pave the way for future missions by testing in flight the very concept of gravitational wave detection: it will put two test masses in a near-perfect gravitational free-fall and control and measure their motion with unprecedented accuracy. LISA Pathfinder will use the latest technology to minimise the extra forces on the test masses, and to take measurements. The inertial sensors, the laser metrology system, the drag-free control system and an ultra-precise micro-propulsion system make this a highly unusual mission.
Height 29.90 Meters
Max Stages 4
Mass To GTO 0 kg
Liftoff Thrust 2974 kN
Diameter 3.03 Meters
Mass To LEO 1500 kg
Liftoff Mass 137 Tonnes
Launch Success 19
Consecutive Success 4
Maiden Flight 2012-02-13
Launch Failures 2