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Memory Alpha

Prospero Alpha was an inhabited class M planet in the Prospero system. It was orbited by a single moon, and harbored no indigenous plant or animal life.

The planet was located at coordinates 3355.7004. It had a rotation period of 27.7 hours and a revolution period of 431 days. Its mass was estimated at 6.01034x1024 kilograms, and its age at 6.338 billion years. The planetary atmosphere was composed of 78% molecular nitrogen, 20% molecular oxygen, 1% argon, 0.4% carbon dioxide, 0.4% water vapor, and trace amounts of methane. The surface had a mean temperature of 15.4 degrees Celsius and 7% water coverage.

In the mid-23rd century, Prospero Alpha engaged in years of infighting with the other two populated planets in its star system. Following the end of the Federation-Klingon War in 2257, the Prospero system came under Starfleet jurisdiction. The Federation dispatched Ambassador Dak'Rah to negotiate an armistice between the three planets. Dak'Rah found the delegates from Prospero Alpha particularly stubborn, noting that obtaining their agreement was akin to "getting a Tellarite to give a compliment." The cease-fire was finally signed in 2259, after which the USS Enterprise was tasked with ferrying Dak'Rah from Prospero to Starbase 12. (SNW: "Under the Cloak of War")

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