Planetary Size/summary

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Planetary Size

Planetary Size Classifications -> Summary Synopsis Paragraphs[edit]

Planetary Size Codes (AC) Classifications -> Summary Synopsis Paragraphs
Size Code Statement (Summary Synopsis Paragraph) Remarks
R World is multiple multiple objects 1 km or less in diameter. Planetary Ring (Tiny World)
D World is a single cluster of debris, 200 km or less in diameter. Debris Field / (Tiny World)
0 World is an asteroid belt, consisting of multiple objects 200 km or less in diameter. Planetoid Belt (Tiny World)
S World is 200-799 km in diameter.
  • Very Low Gravity: 0.02 - 0.03 G.
Very Small World
1 World is 800-2,399 km in diameter.
  • Very Low Gravity: 0.05 - 0.09 G.
Small World
2 World is 2,400-3,999 km in diameter.
  • Low Gravity: 0.10 - 0.17 G.
Small World
3 World is 4,000-5,599 km in diameter.
  • Low Gravity: 0.24 - 0.34 G.
Small World
4 World is 5,600-7,199 km in diameter.
  • Low Gravity: 0.32 - 0.46 G.
Meso World
5 World is 7,200-8,799 km in diameter.
  • Standard Gravity: 0.40 - 0.57 G.
Meso World
6 World is 8,800-10,399 km in diameter.
  • Standard Gravity: 0.60 - 0.81 G.
Meso World
7 World is 10,400-11,999 km in diameter.
  • Standard Gravity: 0.70 - 0.94 G.
Macro World
8 World is 12,000-13,599 km in diameter.
  • Standard Gravity: 0.80 - 1.08 G.
Macro World
9 World is 13,600-15,199 km in diameter.
  • Standard Gravity: 1.03 - 1.33 G.
Macro World
A (10) World is 15,200-16,799 km in diameter.
  • Standard Gravity: 1.14 - 1.48 G.
Big World
B (11) World is 16,800-18,399 km in diameter.
  • High Gravity: 1.49 - 1.89 G.
Big World
C (12) World is 18,400 km or more in diameter.
  • Very High Gravity: 1.90 - 2.00 G.
Big World
SGG World is 40,000-120,000 km in diameter.
  • Macrogravity: 2.01+ G.
  • This is a small Gas Giant. Ships, especially those with low thrust, usually orbit it (to skim fuel, hide, or whatever other job they have.) Standard surveys suggest there is nothing to land on.
Gas Giant
LGG World is at least 120,000 km in diameter.
  • Macrogravity: 2.01+ G.
  • This is a large Gas Giant. Ships, especially those with low thrust, usually orbit it (to skim fuel, hide, or whatever other job they have.) Standard surveys suggest there is nothing to land on.
Gas Giant