Array of eclipse probabilities.

def eclipseprob(self):
        """
        Array of eclipse probabilities.
        """
        #TODO: incorporate eccentricity/omega for exact calculation?
        s = self.stars
        return ((s['radius_1'] + s['radius_2'])*RSUN /
                (semimajor(s['P'],s['mass_1'] + s['mass_2'])*AU))