Not according to me...
I would say that to be described as a planet (minor),. It needs to have gravitational forces that have formed this body into a spherical shape. Kepler Belt Objects and Asteroids can be minor planets, Cares, I seem to recall is round. Way out to the Ort cloud we have found miner planets,... Do the Wicki., search. I am sure it will reveal all for you. By the way, I could just as easily be completely wrong