Simplify the following text for a Grade 10 native English-speaking person.
Original: Given the similarity of the orbit 's parameters with Psamathe ( S\/2003 N 1 ) , it was suggested that both irregular satellites could have a common origin in the break-up of a larger moon .
Simplified: Given the similarity of the orbit 's parameters with Psamathe ( S\/2003 N 1 ) , it was suggested that both non-spherical moons could have been a bigger moon that broke up .