Big World

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Big Worlds are worlds with larger than expected Size.

Description / Specifications[edit]

Occasionally, a satellite mainworld in a system without gas giants requires a BigWorld as its primary.

  • Bigworlds may also occur throughout a system. LARGE “Jovian”

Planetary Characteristics[edit]

Big Worlds range in size from 14,400 km to 30,400 km.


Earth Masses
(density 5.5 g/cm³)

9 14,400 km 1.424 Earths 1.125 G
A 16,000 km 1.953 Earths 1.25 G
B 17,600 km 2.600 Earths 1.375 G
C 19,200 km 3.375 Earths 1.5 G
D 20,800 km 4.291 Earths 1.625 G
E 22,400 km 5.359 Earths 1.75 G Typical Big World
F 24,000 km 6.592 Earths 1.875 G
G 25,600 km 8.000 Earths 2 G
H 27,200 km 9.596 Earths 2.125 G
J 28,800 km 11.391 Earths 2.25 G
K 30,400 km 13.397 Earths 2.375 G

Probable Planetary Orbit & Climate[edit]

Big Worlds may be located within any region of a system.

Big Worlds may retain atmosphere types 2 to F. The "typical" Big World has an atmosphere rated as E (Ellipsoid)

History & Background / Dossier[edit]

Larger Big Worlds are substantially more massive than small gas giants and can have greater diameters.

References & Contributors / Sources[edit]

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