Complex sentence: Like the radial velocity method, it can be used to determine the orbital eccentricity and the minimum mass of the planet and it is easier to detect massive planets close to their stars as these factors increase star's motion.
Split into simpler sentences: Like the radial velocity method, it can be used to determine the orbital eccentricity and the minimum mass of the planet. With this method, it is easier to detect massive planets close to their stars as these factors increase the star's motion.