Simplify the following text for a Grade 11 native English-speaking person.
Original: Himalia , the largest irregular satellite of Jupiter , was discovered by Charles Dillon Perrine at the Lick Observatory on 3 December 1904 .
Simplified: It was found by Charles Dillon Perrine at the Lick Observatory on December 3 1904 and is named after the nymph Himalia who bore three sons of Zeus ( the Greek equivalent of Jupiter ) .