I am wondering if anybody has ever calculated the odds of a rogue planet, which has been traveling through interstellar space and then enters into a galaxy, being able to travel all the way to the massive black hole at the center of that galaxy.
 
I would think that the odds of a rogue planet reaching the black hole at the center of the galaxy is pretty minuscule considering the gravitational pull of thousands or millions of stars and planets which it will likely encounter along its path as it is pulled towards the center of the galaxy. 

Also, the closer it gets to the black hole, the more stars and planets it will encounter due to the distribution of stars in a galaxy with a black hole at its center.
 
What are the odds of a rogue planet that enters into a galaxy reaching the black hole at the center of the galaxy?