On the correlation between the eccentricity of an elliptical orbit and the logarithmic mean velocity separation of DPNELs. The solid points in red/blue with corresponding error bars represent the results with galaxies initially at the pericenter/apocenter of the elliptical orbital path. The black point represents the result with a circular orbit (eccentricity = 0). The error bars are calculated using the standard deviation of the corresponding velocity separations.