The Eldronath system is a star system located near the Ricktor system and within the Federation's sphere of influence. It contained five planets, a mix of Class D, Class F and one Class J planet. During the Battle of Ricktor Prime Dominion forces fought their way to the Eldronath system where they were stopped by the Starfleet Thirty-Third Fleet. (The Dominion War Sourcebook: The Fires of Armageddon)