P8T-474 was a planet in the Milky Way Galaxy visited by SG-12. The inhabitants had regularly been visited by Ori Priors, who have encouraged them to spread the word of the Day of Reckoning. The natives told SG-12 when they visited the planet that the Day of Reckoning was near, maybe only days away. In turn this news was brought to Major General Henry Landry. (SG1: "Arthur's Mantle")

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