Celestial body

A celestial body is any object ranging in size from an asteroid to a sun.^[1]

The most common size of celestial body is a planetary mass. Celestial bodies come in a large number of shapes although the most common shape is spherical.^[1]

Celestial bodies usually have a breathable atmosphere, although bodies without atmospheres or with poisonous atmospheres exist. The depth of an atmosphere is usually related to the size of the body.^[1]

Celestial Body ClassificationEdit

Spacefarers use a standard system to categorise celestial bodies.^[2]

Size ClassesEdit

Size classes give information about the diameter of a celestial body:

• Size A - Less than 10 miles in diameter
• Size B - 10-100 miles in diameter
• Size C - 100-1,000 miles in diameter
• Size D - 1,000-4,000 miles in diameter
• Size E - 4,000-10,000 miles in diameter
• Size F - 10,000-40,000 miles in diameter
• Size G - 40,000-100,000 miles in diameter
• Size H - 100,000-1,000,000 miles in diameter
• Size I - 1,000,000-10,000,000 miles in diameter
• Size J - More than 10,000,000 miles in diameter

Shape ClassesEdit

Shape classes give information about the general shape of the celestial body:

• Amorphous (flexible)
• Belt (smaller objects in a single orbit)
• Cluster (smaller objects in a small area)
• Cubic
• Elliptical
• Spherical

Two special shape classes exist for planets that do not conform to one of the above shapes:

• Regular (a regular shape that isn't otherwise listed)
• Irregular (a shape that isn't listed)

Type ClassesEdit

Type classes give information about the substance which is most common on the celestial body:

• Air (also called a gas cloud)
• Earth (also called a world)
• Fire (also called a sun)
• Water (also called a water world)

Some sages add a fifth element:

• Plant (also called a liveworld)

Supplemental NotesEdit

Supplemental notes give additional information about a celestial body. Examples include, but are not limited to:

• Presence of and number of moons
• Lack of atmosphere
• Lethal atmosphere
• A hollow planet
• Large extradimensional gates
• Xenophobic natives (marked by an 'X')

See alsoEdit

• Category:Celestial bodies (the celestial body category)

ReferencesEdit

1. ↑ ^{1.0 1.1 1.2} Concordance of Arcane Space page 6
2. ↑ Concordance of Arcane Space Celestial Body Classification sidebar, pages 34, 36, 38, 40 and 42

External linksEdit

• Celestial Body Classification at Beyond the Moons (the official Spelljammer website)