pericentre

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pericentre

(ˈpɛrɪˌsɛntə) or

pericenter

n
(Astronomy) the point in an elliptical orbit that is nearest to the centre of mass of the system
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive
In particular, ETP starts its own transfer at the apocenter of a Jovian orbit of period four times the period of Europa ([T.sub.Eu]), pericenter equal to the Europa semi-major axis, and coplanar with the Europa orbit; the orientation of the major axis is left free.
Preliminary Capture Trajectory Design for Europa Tomography Probe
Vasuth, "Parameter estimation for inspiraling eccentric compact binaries including pericenter precession," Physical Review D, vol.
Recent Progress on the Description of Relativistic Spin: Vector Model of Spinning Particle and Rotating Body with Gravimagnetic Moment in General Relativity
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