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Class D planet

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PLANETARY CLASSIFICATION
Class D Planetoid
Luna
Luna
Classification: planetoid, asteroid, moon
Age: 2–10 billion years
Diameter: 100–1,000 km
Surface: barren, metals, nickel-iron-silicate
Atmosphere: tenuous or none
Lifeforms: none-known

In planetary classification, a class D planetoid is a type of planet. Planets of this type are generally smaller asteroids or moons that are locked into the gravitational pull of a larger planetary body. Class D worlds are usually composed of metals, predominantly nickel, iron and silicate. Bodies of this type generally do not support lifeforms. (ST references: Star Charts, The Worlds of the Federation; Last Unicorn RPG module: Star Trek: The Next Generation Core Game Book)

This classification was listed as class I as described in ST reference: Star Trek Maps, although the same chart was reprinted by Pocket Books in The Worlds of the Federation with the notation corrected.

Bodies of this typeEdit

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