<Ul> <Li> Naiad </Li> <Li> Thalassa </Li> <Li> Despina </Li> <Li> Galatea </Li> <Li> Larissa </Li> </Ul> <Ul> <Li> Gliese 581c, Gliese 581g, Gliese 581b, and Gliese 581e may be tidally locked to their parent star Gliese 581 . Gliese 581d is almost certainly captured either into the 2: 1 or the 3: 2 spin--orbit resonance with the same star . </Li> <Li> All planets in the TRAPPIST - 1 system are likely to be tidally locked . </Li> </Ul> <Li> Gliese 581c, Gliese 581g, Gliese 581b, and Gliese 581e may be tidally locked to their parent star Gliese 581 . Gliese 581d is almost certainly captured either into the 2: 1 or the 3: 2 spin--orbit resonance with the same star . </Li> <Li> All planets in the TRAPPIST - 1 system are likely to be tidally locked . </Li>

The moon is said to be in a orbit around the earth