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LISA Pathfinder propulsion module mass properties measurement

LISA Pathfinder propulsion module mass properties measurement

Date: 17 June 2015
Copyright: IABG

The LISA Pathfinder propulsion module in a cleanroom at IABG, Ottobrunn, Germany, during mass property measurements, in April 2015.

The mass properties of a spacecraft (total mass, centre of gravity, and moment of inertia about all three axes) are among the characteristics calculated during the design process. Since the correct control and guidance of the spacecraft depend on an accurate knowledge of these values, they are subsequently measured as part of the test campaign. For LISA Pathfinder, it is not only the total mass but also the distribution of mass that must be precisely measured, because the gravitational field that the spacecraft generates will influence the science experiment.

Last Update: 1 September 2019
19-Oct-2021 09:16 UT

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https://sci.esa.int/s/8arPxKA

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