A 42 day year?
Wasn't 42 supposed to be the answer to life, the universe, and everything?
Maybe it's part of a multi-planet Trojan system and the actual year is much longer, we're just observing multiple planets passing by in the same orbit.
http://planetfacts.org/trojan/But I ain't no astrominator, hell, I still think of Pluto as a planet.
Terry