Courtesy (world)

Courtesy/Isi Ahto (Gushemege 2618)
Classic Era (1116)	A647200-B Starport A Excellent: Starship Construction, Overhaul, Refined fuel Size 6 Medium (9,600 km, 0.60g - 0.81g) Atmosphere 4 Thin (tainted) Hydrographics 7 Wet World 70% Population 2 Low (600) Government 0 No Government structure Law 0 No Law Tech Level B Average Stellar (large starships)
See also	UWP
System Details
Primary	M1 V M1 V
Planetoid Belts	0
Gas Giants	4

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Jump map from Travellermap.com

Courtesy is a low-population world with a population of less than 10,000 sophonts in size.

• This world has yet to take off economically or otherwise and the population remains low for reasons largely unknown.
• It is a member of the Lancian Cultural Region, a sub-polity of the Third Imperium, located in the Isi Ahto Subsector of Gushemege Sector.

• Courtesy is located on the Vilani Main.

Description (Astrography & Planetology)

Courtesy is a binary star system.

• Both are red main sequence stars.
  • They are close companions.

Binary Solar System

Courtesy Binary Star System

Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
Courtesy A M1 V	Primary	Main Sequence		0.5	3620 - 3660	0.08839
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.0023	0.0247	0.31 - 0.59	0.23	2.3
	Orbit #	*	*	1	0	5
	Remarks
	None
Star Name	Hierarchy	Category		Mass (Sol)	Temp (K)	Luminosity (Sol)
Courtesy B M1 V	Secondary	Main Sequence		0.5	3620 - 3660	0.08839
	Unit	Diameter	Min Distance	Hab Zone	Jump Shadow	M-Drive Limit
	AU	0.0023	0.0247	0.31 - 0.59	0.23	2.3
	Orbit #	*	*	1	0	5
	Remarks
	Approximately 0.007 AU from the primary.

System Data

The worlds of the system have been surveyed. They consist of:

• The mainworld.
• x3 secondary rocky worlds.
• x4 gas giants.

Mainworld Data

Mainworld Size (S)

Courtesy is a Meso World between 8,800km and 10,400km in diameter. The world has a standard gravity between 0.6G and 0.8G. The horizon will appear about 4.4km away.

Mainworld Atmosphere (A)

Courtesy has a pressure of 0.43 to 0.70 atmospheres. While the thin atmosphere does not require survival gear this atmosphere also contains an unusual taint such as such as disease, a hazardous gas mix, pollutants, or sulfur compounds which requires the use of a Filter Mask. Some taints may require more protective equipment. TL–3 or more advanced survival gear is required to settle this world.

Mainworld Hydrosphere (H)

Courtesy has 65-75% of its surface covered by liquid water. It has significant large liquid bodies. Wilderness refueling is possible.

Mainworld Geography and Topography

No centrally held map of the world exists within AAB Library Data records.

(Blank map, predominantly watery world.)

History & Background (Dossier)

No information yet available.

Local Nobility

Courtesy, as a member world of the Third Imperium has a member of the Imperial Nobility overseeing the world.

• It holds the estate of an Imperial knight.

Trade Data

• Importance: 1 (ordinary)

World Economy

• Resources: 8 (moderate)
• Labor: 1 (tens)
• Infrastructure: 1 (extremely limited)
• Efficiency: -3 (poor)

World Culture

• Heterogenity: 1 (monolithic)
• Acceptance: 3 (xenophobic)
• Strangeness: 1 (very typical)
• Symbols: 6 (somewhat concrete)

World Timeline

Major events that have affected this world and the wider region that it lies within:

• circa -250,000: the Ancients transplant humans onto the world of Kukhun.
• -9235: the Vilani discover jump drive technology, and over the centuries pioneers and settlers gradually spread across Charted Space. The Kukhunen culture acquires jump technology from these wanderers.
• circa -5400: the Vilani Consolidation Wars - the Kukhunen region is eventually conquered.
• -4045 to -2204: the Ziru Sirka claims and settles worlds across the region.
• -2404 to -2215: the Interstellar Wars.
• -2204 to -1776: the Rule of Man administers the worlds of the region.
• -1776 to 0: the Long Night. There is widespread regression within the area and some worlds become barren.
• circa -1700: the reemergent Kukhunen region gradually collapses into civil war.
• -1200: the Lancian movement rises to dominance on Kukhun and within Kukhunen space. Few ships are available throughout the period but limited contact is maintained.
• -143: the Lancians gain modern jump technology from Sylean traders and use it to establish the Lancian Confederation.
• The Year 0: the Third Imperium is founded. There are frictions with the Lancians.
• 76-84: the Vilani Pacification Campaign results in the absorbtion of the Confederation.
• 300-420: the Imperial First Survey charts the system.
• 604-622: the Civil War.
• 624: the Express Boat Network is established.
• 639: the Lancian Cultural Region is established.
• 995-1065: the Imperial Second Survey charts the system.
• 1065: the Second Survey is published. Information about the system becomes widely 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.

• John Harshman, Marc Miller, Loren Wiseman. Classic Traveller Supplement 8 Library Data (A-M), (Game Designers Workshop, 1981), various pages. (Library data entries)
• John Harshman, Marc Miller, Loren Wiseman. Classic Traveller Supplement 11 Library Data (N-Z), (Game Designers Workshop, 1982), various pages. (Library data entries)
• Jim Cunningham, John Harshman, J. Andrew Keith, Marc W. Miller, Gordon Sheridan. Atlas of the Imperium (Game Designers Workshop, 1984), page 13. (Chart locating the world but no further data)
• James Holden, Joe D. Fugate Sr., Terrance McInnes. Vilani & Vargr (Digest Group Publications, 1990), pages 11, 48, 49. (Historical overview)
• David Burden. "Contact: Lancians" Alien Realms, (1992), Volume 2 Issue 2, pages 8-13 (via HIWG). (The Lancians)
• Leighton Piper. "Contact: Lancians." Signal-GK 04 (1992): pages 4-7. (The Lancians)
• Marc Miller. T4 First Survey (Imperium Games, 1996), page 22. (World details circa the Year 0)
• Martin Dougherty. Bearers of the Flame (Avenger Enterprises, 2006), page 22. (World details circa the year 1248)
• Jae Campbell. Encyclopaedia Dagudashaag (Signal-GK, 2017), pages 212-213. (The Lancians)
• Author & Contributor: David Burden of the HIWG. (Extensive development of the sector)
• A full list of contributors can be found here.