Small natural objects that orbit a moon.
Moonlets are interesting because they are small and orbit a bigger thing.
Examples:
The moon has many moonlets around it.
Scientists study the moonlets to learn more about the moon.
I saw the moonlets when I looked at the moon through a telescope.
The moonlets are like the moon's little friends.
There are so many moonlets around the moon, it's like a party in space!
The moonlets move around the moon like little dancers.