My personal favorite is the asteroid tow - truck, which would bring a space rock into orbit of the moon or Earth. (inc.com)
This otherwise undistinguished satellite of Neptune, moderately lumpy and middling in size, travels on the most eccentric orbit of any moon in the solar system (newscientist.com)
The eccentricity (or oval shaped) orbits of these moons means that they are pumped by tidal forces as they travel around the planet. (astrobio.net)