Riddle #11
The annual Star Trek convention was in town and as a result, aliens and Trekkies overran the town. Five friends came dressed up as aliens from different planets which Star Fleet had made contact with over the years. Each planet orbited a different star, and had a different size population. From the clues given, determine the name of each planet, the year Star Fleet made contact, the star the planet orbits, and the size of the population.

1) The population of Kappa is larger than that of the planet orbiting Polaris, which made contact earlier than Kappa.
2) Wezen is the star whose planet has a population of 9.5 million, which is not named Rho.
3) Zeta is the planet around Albati, which was not the last one to make contact.
4) The Mu contact took place in 2161.
5) Contact was made with Betelgeuse system in 2217, whose population was smaller than the planet contacted in 2202.
6) The largest population is on Pi, contacted next after the smallest population.
7) 12 million was the population of the planet contacted after the planet in the Electra system.