Argus X was an uninhabited planet. It was the tenth planet in the Argus planetary system.
This planet had an
atmosphere that was capable of supporting humanoid life-forms.The planet was located over 1000 light years from the Tycho system.
2268, the USS conducted a Enterprise planetary survey of Argus X, discovering a large vein of tritanium ore. Captain James T. Kirk sent a recommendation to Starfleet for a survey vessel to be dispatched to this planet as a result of the rich find.
Also discovered on the planet by the
Enterprise landing party was the dangerous dikironium cloud creature, which attacked and killed (or nearly killed) five security guards. ( : " TOS ")
Presumably, Argus X was located in the Alpha Quadrant.
According to the
Star Trek: Star Charts ("United Federation of Planets I"), the Argus system was located in or near Federation space. This system was a single star system. Argus was a M-class star with a magnitude of +9.