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LISA's triple orbit

LISA - Triple Orbit

The typical LISA "cartwheel" orbits.

Media Description: 

One of LISA´s key features is the set of three orbits in a near-equilateral triangular formation, described under the mission concept. The LISA orbits ensure a stable thermal environment, minimising thermal disturbances on the spacecraft and the inertial test masses. Another key technology of LISA are free-falling test masses inside each spacecraft. The test masses will be undisturbed by forces other than gravitation.