pericentre


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Related to pericentre: apoapsis, Pericenter

pericentre

(ˈpɛrɪˌsɛntə) or

pericenter

n
(Astronomy) the point in an elliptical orbit that is nearest to the centre of mass of the system
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References in periodicals archive ?
The two variables, the osculating orbital eccentricity and the solar angle [phi] between the orbit pericentre and the Sun-line [10, 28], can be used to describe this dynamical system with low inclinations through a Hamiltonian function.
Next, the evolution of the argument of pericentre is studied.