Universal World Profiles

The UWP gives a compact description of the physical and cultural aspects of the Main World, as well the starport facilities and available technology. It is expressed thusly:

The fields are respectively:

Code	Description
Starport	Type of starport facility on world.
Size	World diameter (in units of 1,600 kilometers).
Atmosphere	World atmosphere type.
Hydrographics	World surface covered with water (in tenths).
Population	Exponent of intelligent population.
Government	World government type.
Law Level	Degree of oppression by law.
Technological Level	Level of technological achievement.

Starport

Starport indicates the best quality starport in the star system available to travellers.

Code	Starport Description
A	Excellent Quality. Refined fuel available. Annual maintenance overhaul available. Shipyard capable of constructing starships and non-starships present. Naval base and/or scout base may be present.
B	Good Quality. Refined fuel available. Annual maintenance overhaul available. Shipyard capable of constructing non-starships present. Naval base and/or scout base may be present.
C	Routine Quality. Only unrefined fuel available. Reasonable repair facilities present. Scout base may be present.
D	Poor Quality. Only unrefined fuel available. No repair facilities present. Scout base may be present.
E	Frontier Installation. Essentially a marked spot of bedrock with no fuel, facilities, or bases present.
X	No Starport. No provision is made for any ship landings.
?	Unknown.

Spaceports

Worlds other than the Main World in a system may also be described by UWP codes. The port, if any, is referred to as a spaceport.

Code	Spaceport Description
F	Good Quality. Minor damage repairable. Unrefined fuel available.
G	Poor Quality. Superficial repairs possible. Unrefined fuel available.
H	Primitive Quality. No repairs or fuel available.
Y	None.

Size

Size expresses the diameter of a world in approximately 1,600km units (or 1,000 mile units).

Size code 0 indicates that the main "world" of the system is an asteroid belt.

Size	Diameter (km)	Mass (Earth = 1)	Area (Earth = 1)	Gravity (G)	Esc. Vel (km/s)
1	1,600	0.0019	0.015	0.122	1.35
2	3,200	0.015	0.063	0.240	2.69
3	4,800	0.053	0.141	0.377	4.13
4	6,400	0.125	0.250	0.500	5.49
5	8,000	0.244	0.391	0.625	6.87
6	9,600	0.422	0.563	0.840	8.72
7	11,200	0.670	0.766	0.875	9.62
8	12,800	1.000	1.000	1.000	11.00
9	14,400	1.424	1.266	1.120	12.35
A	16,000	1.953	1.563	1.250	13.73
B	18,800	2.600	1.891	1.375	15.34
C	19,200	3.375	2.250	1.500	16.74
D	20,800	4.291	2.641	1.625	18.13
E	22,400	5.359	3.063	1.750	19.52
F	24,000	6.592	3.516	1.875	20.92
?	Unknown.

The above table assumes a density similar to Earth (5.5 grams per cubic centimeter).

Atmosphere

Atmosphere type shows the general character of the atmosphere for a world on its surface.

Code	Description
0	No atmosphere. Requires vacc suit.
1	Trace. Requires vacc suit.
2	Very thin. Tainted. Requires combination respirator/filter.
3	Very thin. Requires respirator.
4	Thin. Tainted. Requires filter mask.
5	Thin. Breathable.
6	Standard. Breathable.
7	Standard. Tainted. Requires filter mask.
8	Dense. Breathable.
9	Dense. Tainted. Requires filter mask.
A	Exotic. Requires special protective equipment.
B	Corrosive. Requires protective suit.
C	Insidious. Requires protective suit.
D	Dense, high. Breathable above a minimum altitude.
E	Thin, low. Breathable below certain altitudes.
F	Unusual.
?	Unknown.

Hydrographics

Hydrographics shows the percentage of world surface covered by seas or oceans. If atmosphere type is A or above, fluid may be present in place of water.

Code	Description
0	No water. Desert World.
1	10% water.
2	20% water.
3	30% water.
4	40% water.
5	50% water.
6	60% water.
7	70% water. Equivalent to Terra or Vland.
8	80% water.
9	90% water.
A	100% water. Water World.
?	Unknown.

Population Exponent

The population exponent gives an order-of-magnitude approximation of a world's population. Together with the population multiplier digit in the PBG field, the world population can be computed as:

population = multiplier × 10exponent

Code	Description
0	Few or no inhabitants.
1	Tens of inhabitants.
2	Hundreds of inhabitants.
3	Thousands of inhabitants.
4	Tens of thousands of inhabitants.
5	Hundreds of thousands of inhabitants.
6	Millions of inhabitants.
7	Tens of millions of inhabitants.
8	Hundreds of millions of inhabitants.
9	Billions of inhabitants.
A	Tens of billions of inhabitants.
B	Hundreds of billions of inhabitants.
C	Trillions of inhabitants.
D	Tens of trillions of inhabitants.
E	Hundreds of trillions of inhabitants.
F	Quadrillions of inhabitants.
?	Unknown.

Government Type

Government shows the basic governmental structure for a world.

Codes G and above were defined in the Classic Traveller alien modules for sophont-specific govenment types. Other editions of Traveller may define other values for certain codes.

Code	Description	Allegiance
0	No Government Structure.
1	Company/Corporation.
2	Participating Democracy.
3	Self-Perpetuating Oligarchy.
4	Representative Democracy.
5	Feudal Technocracy.
6	Captive Government / Colony.
7	Balkanization.
8	Civil Service Bureaucracy.
9	Impersonal Bureaucracy.
A	Charismatic Dictator.
B	Non-Charismatic Dictator.
C	Charismatic Oligarchy.
D	Religious Dictatorship.
E	Religious Autocracy.
F	Totalitarian Oligarchy.
G	Small Station or Facility.	Aslan.
H	Split Clan Control.	Aslan.
J	Single On-world Clan Control.	Aslan.
K	Single Multi-world Clan Control.	Aslan.
L	Major Clan Control.	Aslan.
M	Vassal Clan Control.	Aslan.
N	Major Vassal Clan Control.	Aslan.
P	Small Station or Facility.	K'kree.
Q	Krurruna or Krumanak Rule for Off-world Steppelord.	K'kree.
R	Steppelord On-world Rule	K'kree.
S	Sept.	Hiver.
T	Unsupervised Anarchy.	Hiver.
U	Supervised Anarchy.	Hiver.
V
W	Committee.	Hiver.
X	Droyne Hierarchy.	Droyne.
Y
Z
?	Unknown.

Law Level

Law level indicates basic legal status and shows probability of harassment by local enforcers.

Code	Description
0	No prohibitions.
1	Body pistols, explosives, and poison gas prohibited.
2	Portable energy weapons prohibited.
3	Machine guns, automatic rifles prohibited.
4	Light assault weapons prohibited.
5	Personal concealable weapons prohibited.
6	All firearms except shotguns prohibited.
7	Shotguns prohibited.
8	Long bladed weapons controlled; open possession prohibited.
9	Possession of weapons outside the home prohibited.
A	Weapon possession prohibited.
B	Rigid control of civilian movement.
C	Unrestricted invasion of privacy.
D	Paramilitary law enforcement.
E	Full-fledged police state.
F	All facets of daily life regularly legislated and controlled.
G	Severe punishment for petty infractions.
H	Legalized oppressive practices.
J	Routinely oppressive and restrictive.
K	Excessively oppressive and restrictive.
L	Totally oppressive and restrictive.
S	Special/Variable situation.
?	Unknown.

Technological Level

Technological level shows the degree of technological sophistication to be expected on a world.

Code	Description
0	Stone Age. Primitive.
1	Bronze, Iron.Bronze Age to Middle Ages
2	Printing Press.circa 1400 to 1700.
3	Basic Science.circa 1700 to 1860.
4	External Combustion.circa 1860 to 1900.
5	Mass Production.circa 1900 to 1939.
6	Nuclear Power.circa 1940 to 1969.
7	Miniaturized Electronics.circa 1970 to 1979.
8	Quality Computers.circa 1980 to 1989.
9	Anti-Gravity.circa 1990 to 2000.
A	Interstellar community.
B	Lower Average Imperial.
C	Average Imperial.
D	Above Average Imperial.
E	Above Average Imperial.
F	Technical Imperial Maximum.
G	Robots.
H	Artificial Intelligence.
J	Personal Disintegrators.
K	Plastic Metals.
L	Comprehensible only as technological magic.
?	Unknown.

Remarks and Trade Codes

Expanded entries may have an indecipherable stream of characters following the UWP, which are classified as Remarks and Trade Codes.

Remarks and trade classifications indicate obvious or important characteristics for the Main World in the system. They serve to show the potential for a world based on its capacity as a source of trade goods, a market for trade goods, or both.

Code	Description
Planetary
As	Asteroid Belt.Siz 0
De	Desert.Atm 2-9, Hyd 0
Fl	Fluid Hydrographics (in place of water).Atm A-C, Hyd 1+
Ga	Garden World.Siz 6-8, Atm 5,6,8, Hyd 5-7
He	Hellworld.Siz 3+, Atm 2,4,7,9-C, Hyd 0-2
Ic	Ice Capped.Atm 0-1, Hyd 1+
Oc	Ocean World.Siz A+, Hyd A
Va	Vacuum World.Atm 0
Wa	Water World.Siz 3-9, Atm 3-9, Hyd A
Population
Di	Dieback.PGL 0, TL 1+
Ba	Barren.PGL 0, TL 0
Lo	Low Population.Pop 1-3
Ni	Non-Industrial.Pop 4-6
Ph	Pre-High Population.Pop 8
Hi	High Population.Pop 9+
Economic
Pa	Pre-Agricultural.Atm 4-9, Hyd 4-8, Pop 4,8
Ag	Agricultural.Atm 4-9, Hyg 4-8, Pop 5-7
Na	Non-Agricultural.Atm 3−, Hyd 3−, Pop 6+
Pi	Pre-Industrial.Atm 0,1,2,4,7,9, Pop 7-8
In	Industrialized.Atm 0,1,2,4,7,9-C, Pop 9+
Po	Poor.Atm 2-5, Hyd 3−
Pr	Pre-Rich.Atm 6,8, Pop 5,9
Ri	Rich.Atm 6,8, Pop 6-8
Lt	Low Technology. TL 5−
Ht	High Technology. TL 12+
Climate
Fr	Frozen.Siz 2-9, Hyd 1+, HZ +2 or Outer
Ho	Hot.HZ −1
Co	Cold.HZ +1
Lk	Locked.Close Satellite
Tr	Tropic.Siz 6-9, Atm 4-9, Hyd 3-7, HZ −1
Tu	Tundra.Siz 6-9, Atm 4-9, Hyd 3-7, HZ +1
Tz	Twilight Zone.Orbit 0-1
Secondary
Fa	Farming.Atm 4-9, Hyd 4-8, Pop 2-6, Not MW, HZ
Mi	Mining.Pop 2-6, Not MW, MW=In
Mr	Military Rule. By regional Allegiance power.
Mr(AAAA)	Military Rule (by allegiance AAAA).
Px	Prison, Exile Camp. MW
Pe	Penal Colony.Not MW
Re	Reserve.
Political
Cp	Subsector Capital.
Cs	Sector Capital.
Cx	Capital.
Cy	Colony (see O:XXYY).
Special
Sa	Satellite (Main World is a moon of a Gas Giant).
Fo	Forbidden (Red Zone).
Pz	Puzzle (Amber Zone).Pop 7+
Da	Danger (Amber Zone).Pop 6-
Ab	Data Repository.
An	Ancient Site.
Rs	Research Station. Imperial.
RsA	Research Station A = Alpha, B = Beta, G = Gamma, etc. Imperial.
Ownership
O:XXYY	Controlled by world in hex XXYY.
O:SSSS-XXYY	Controlled by world in hex XXYY in sector SSSS.
Sophonts
Sophont	Homeworld of major race.
(Sophont)	Homeworld of minor race. 0-9 indicates tenths of population if < 100%.
(Sophont)#
Di(Sophont)	Homeworld of extinct minor race (Dieback).
Soph0	Sophont Population. Soph is an abbreviation for the sophont name. 0-9 indicates tenths of population; W is 100%, e.g. DroyW.
SophW
Non-Standard / Legacy Codes
S0	Sophont Population. S is an abbreviation for the sophont name. 0-9 indicates tenths of population; w is 100%, e.g. Dw
S:0
Sw
Nh	Non-Hiver Population.Hiver.
Nk	Non-K'kree Population.K'kree.
Tp	Terra-prime.Adventure 5: Leviathan.
Tn	Terra-norm.Adventure 5: Leviathan.
Fa	Fascinating.Hiver.
St	Steppeworld.K'kree
Ex	Exile Camp.Imperial.
Pr	Prison World.Imperial.
Xb	Xboat Station.Imperial.
Cr	Reserve Capital.Zhodani.
S#	Stellar companion orbits (F = far), e.g. S19 indicates companion stars are in orbits 1 and 9; SF1 indicates far companion is binary (companion in orbit 1)
S##
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