Search for Planet Nine turns up three mini-worlds
http://www.geekwire.com/2016/search-planet-nine-turns-three-mini-planets/
The list includes these mini-worlds:
2014 SR349, which is in the kind of extreme orbit that could hypothetically have been perturbed by Planet Nine.
2013 FT28, which isn’t quite as much in the sweet spot for Planet Nine action, dynamically speaking.
2014 FE72, which is said to be the first identified object from the faraway Oort Cloud with an orbit entirely beyond Neptune. The orbit
is stretched out far enough to take it more than 3,000 times farther away from the sun than Earth is. The astronomers say its orbital
path seems likely to be influenced by gravitational forces beyond the solar system, such as passing stars or the galactic tide.