Difference between revisions of "Planetary Size"
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− | == References & Contributors | + | == References & Contributors (Sources) == |
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|S2= {{MT}} [[World Builder's Handbook]] | |S2= {{MT}} [[World Builder's Handbook]] | ||
|S3= [[TNE]] [[World Tamer's Handbook]] | |S3= [[TNE]] [[World Tamer's Handbook]] | ||
− | |S4= {{Ludography cite|name=T5 Core Rules|page=409,413}} | + | |S4= [[The Universal World Profile]] |
− | | | + | |S5= {{Ludography cite|name=T5 Core Rules|page=409,413}} |
+ | |S6= Author & Contributor: Lord (Marquis) and Master of Sophontology [[User:Maksim-Smelchak|Maksim-Smelchak]] of the [[Ministry of Science]]|S6= | ||
}} | }} | ||
{{LE|Planetology|Planets}} | {{LE|Planetology|Planets}} |
Revision as of 12:04, 17 November 2018
Planetary Size: Worlds are classified according to their physical size.
- Only Mainworlds (worlds or planets) of interest are recorded.
- e.g. Gas Giants are simply classified as Small (SGG) or Large (LGG).
Description (Specifications)
Planetary density and size are two primary factors hen determining a planet's gravity.
Planetary Size Data
The following table outlines the UWP codes for the size of a body:
Planetary Size Code Description Diameter (Km) Expected
GravityRemarks R Asteroidlet / Planetary Ring (...around a world)
Multiple < 1 Microgravity
(0.01 G or less)Planetary Ring (Tiny World) D Debris 1+ < 200 Microgravity
(0.01 G or less)Tiny World 0 Asteroid / Planetary Belt (...around a star)
Multiple < 200 Microgravity
(0.01 G or less)Planetoid Belt (Tiny World) S Very Small 200-799 Very Low Gravity
(400 km, 0.02g - 0.03g)Very Small World 1 Small 800-2399 Very Low Gravity
(1,600 km, 0.05g - 0.09g)Small World 2 Small (e.g. Luna) 2,400-3,999 Low Gravity
(3,200 km, 0.10g - 0.17g)Small World 3 Small (e.g. Mercury) 4,000-5,599 Low Gravity
(4,800 km, 0.24g - 0.34g)Small World 4 Medium (e.g. Mars) 5,600-7,199 Low Gravity
(6,400 km, 0.32g - 0.46g)Meso World 5 Medium 7,200-8,799 Standard Gravity
(8,000 km, 0.40g - 0.57g)Meso World 6 Medium 8,800-10,399 Standard Gravity
(9,600 km, 0.60g - 0.81g)Meso World 7 Large 10,400-11,999 Standard Gravity
(11,200 km, 0.70g - 0.94g)Macro World 8 Large (e.g. Venus / Terra) 12,000-13,599 Standard Gravity
(12,800 km, 0.80g - 1.08g)Macro World 9 Large 13,600-15,199 Standard Gravity
(14,400 km, 1.03g - 1.33g)Macro World A Huge 15,200-16,799 Standard Gravity
(16,000 km, 1.14g - 1.48g)Big World B Huge 16,800 - 18,399 High Gravity
(17,600 km, 1.49g - 1.89g)Big World C Huge 18,400+ Very High Gravity
(17,600 km, 1.9g - 2.0g)Big World SGG Small Gas Giant (no futher codes) 40,000-120,000 Macrogravity
(2.01 G or higher)Gas Giant LGG Large Gas Giant (no further codes) 120,000-240,000+ Macrogravity
(2.01 G or higher)Gas Giant
- NOTE-1: Please note that the size code D ( Debris ) is non-standard. It is included to cover such cases as Comet Mid-Rift (Deneb 3234), which are less than 200Km, but not part of an asteroid belt, yet important enough to have mention.
- NOTE-2: Please note that gravity values are estimations based on a standard planetary density. Planets with less or more dense cores may have very different values from the suggested average.
History & Background (Dossier)
No information yet available.
References & Contributors (Sources)
This article is missing content for one or more detailed sections. Additional details are required to complete the article. You can help the Traveller Wiki by expanding it. |
This list of sources was used by the Traveller Wiki Editorial Team and individual contributors to compose this article. Copyrighted material is used under license from Far Future Enterprises or by permission of the author. The page history lists all of the contributions.
- Marc Miller. Referee's Manual (Game Designers Workshop, 1987), .
- MegaTraveller World Builder's Handbook
- TNE World Tamer's Handbook
- The Universal World Profile
- Marc Miller. T5 Core Rules (Far Future Enterprises, 2013), 409,413.