From Gineipaedia, the Legend of Galactic Heroes wiki
The following is a list of unnamed satellites.
Odin's moon (796 UC (487 IC / 3596 CE)
The planet Odin had at least one moon. (LOGH: 'When the Rain of Grief Comes...')
Lesing's moon (796 UC (487 IC / 3596 CE)
The planet Lesing had at least one small, irregularly shaped moon; the Alliance 3rd Fleet flagship Cu Chulainn collided with it during the Battle of Lesing. (LOGH: 'The Battle of Amritsar Starzone')