Class IV moon/Legends

Class IV moon was the designation given to any small, natural satellite in orbit around a planet. Class IV moons were roughly one hundred and twenty kilometers in diameter.
The first Death Star was said to be the size of a Class IV moon.
==Appearances==
*Death Star 
*Star Wars: Episode IV A New Hope junior novelization
==Sources==
*A Guide to the Star Wars Universe
* Star Wars: The Power of the Force toy line (1985)
*The Essential Guide to Vehicles and Vessels
*Star Wars: The Official Starships & Vehicles Collection 8