Asparax was a planet, the second planet in the Asprarax star system, near Federation and Klingon Empire space, in the Alpha or Beta Quadrant near the so-called "Triangle sector". Asparax, the only class M planet in the Asparax system, had a single moons, and was the location of the capital of the Asparax Confederation, a small non-alighned interplanetary government.

Asparax had a total surface area of 580,000,000 square kilometers and, with 52% land mass and 48% of the surface covered by water oceans, a total land area of 290,000,000 square kilometers. Asparax has a gravity of 1.12g, a diameter of 15,500 kilometers and an equatorial circumference of 50,000 kilometers. About 62% of Asparax's makeup is usable metals, 5% gemstones, 4% crystals, and the planet has trace deposits of radioactive materials and other special minerals. Asparax has a cool temperate climate, a class M terrestrial atmosphere and a day's length of 25 hours.

Asparax's population of over 15 billion was composed of over 40% Human individuals in the late 23rd century, with the next largent population group being Orion. Asparax was initially colonized in the later 22nd century by settlers originating on the planet Precipice. Asparax was home to numerous shipyard concerns, making it the only starship base in 20 parsecs, and is an exporter of tungsten and copper. Although ships are built here, this planet's non-aligned government maintains only a moderate militia, depending on mercenary privateers for many of their interests of expansion and defense. Asparax had a technological/sociopolitical index of 976655-74 and a planetary trade profile of BCCCDCD/C(C). (FASA RPG module: Decision at Midnight)

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