Simplify the following text for a Grade 4 native English-speaking person.
Original: Then , in 2000 , a seemingly new satellite was discovered by Scott S. Sheppard , David C. Jewitt , Yanga R. FernÃ ndez and Eugene A. Magnier , and was designated ' .
Simplified: Then , in 2000 , a seemingly new moon was found by Scott S. Sheppard , David C. Jewitt , Yanga R. FernÃ ndez and Eugene A. Magnier , and was designated ' .